My Inquiry
My Account
NXP Semiconductors MC9S08SH32CTJ
.jpg)
- Part No.:
- MC9S08SH32CTJ
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MC9S08SH32CTJ.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,162
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MC9S08SH32CTJ from NXP (formerly Freescale) is an 8-bit HCS08 microcontroller with 32 KB Flash, 1 KB RAM, and a 40-MHz CPU core. It integrates ADC (16-channel, 10-bit), dual TPM PWM modules, SCI/LIN, SPI, I²C, RTC, and ACMP - all operating in Stop3 mode. Designed for cost-sensitive industrial control and automotive body electronics.
For engineers reviewing the MC9S08SH32CTJ datasheet, MC9S08SH32CTJ pinout, MC9S08SH32CTJ application, or MC9S08SH32CTJ equivalent, key selection criteria include Flash endurance over voltage/temperature, 23 GPIOs with configurable slew/pull-up, real-time counter with 1-kHz internal oscillator, and single-wire background debug interface compatibility.
Technical Context
The MC9S08SH32CTJ implements the HCS08 CPUV3 core with HC08 instruction set plus BGND, supporting up to 32 interrupt/reset sources. Its internal clock source (ICS) delivers bus frequencies from 2 MHz to 20 MHz using FLL with ±0.2% trimming resolution and ±2% deviation across temperature/voltage.
Peripherals include two 2-channel TPM modules supporting input capture, output compare, and edge-/center-aligned PWM; a 10-bit ADC with 2.5 μs conversion time, temperature sensor, and bandgap reference; and LIN-compliant SCI with extended break generation/detection - all functional in Stop3 low-power mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | HCS08 CPUV3, 40-MHz max frequency, HC08 ISA + BGND instruction |
| Memory | 32 KB on-chip Flash (read/program/erase over full VDD/temp), 1 KB RAM |
| ADC | 16-channel, 10-bit resolution, 2.5 μs conversion time, internal temp sensor & bandgap ref |
| Timers | Two 2-channel TPM modules; 8-bit MTIM; 8-bit RTC with 1-kHz internal oscillator |
| Communication | SCI (LIN master/slave), SPI (master/slave, double-buffered), I²C (100 kbps, multi-master) |
| Power Modes | Run, Wait, Stop2, Stop3; RTC and ADC operate in Stop3; COP watchdog with 1-kHz internal clock option |
| I/O | 23 GPIO + 1 output-only pin; 8 interrupt-capable pins; ganged write for PTB[5:2]/PTC[3:0] |
Pinout & Package
MC9S08SH32CTJ is housed in a 28-pin TSSOP package (JEDEC MO-153AC) with 0.65 mm pitch, 9.7 mm × 4.4 mm body size, and exposed thermal pad. Pin functions align with MC9S08SH32 series standard assignment per Rev. 3 datasheet Section 2.1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 2.7–5.5 V supply rails; separate analog/digital ground not implemented - shared VSS |
| XTAL, EXTAL | Crystal/resonator interface | Supports 31.25 kHz–38.4 kHz or 1–16 MHz crystals; connects to XOSC module |
| BKGD/MS | Single-wire debug & mode select | Active-low background debug entry; also selects boot mode during reset |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external push-pull or open-drain assertion |
| PTA0–PTA7 | Port A general-purpose I/O | 8-bit port with interrupt capability on PTA0–PTA1; configurable pull-up/slew/drive strength |
| PTB0–PTB7 | Port B general-purpose I/O | Ganged output supported on PTB[5:2]; PTA/PTB share same interrupt vector group |
| PTC0–PTC7 | Port C general-purpose I/O | Ganged output supported on PTC[3:0]; PTC0–PTC1 support ACMP output routing to TPM |
Key Features
| Feature | Design Value |
|---|---|
| Stop3-mode operation | RTC, ADC, ACMP, and SCI remain active during deepest low-power state - enables wake-on-event without external components |
| Internal clock source (ICS) | FLL-based system clock generation with ±0.2% trim resolution; eliminates need for external crystal in cost-sensitive designs |
| Security circuitry | Prevents unauthorized read-out of Flash/RAM contents via background debug interface - essential for firmware IP protection |
| Single-wire BDM | Enables in-circuit debugging and programming using only BKGD/MS pin - reduces test point count and PCB routing complexity |
| LIN-compliant SCI | Hardware support for LIN 2.x extended break generation and detection - simplifies automotive body control network integration |
Applications
| Automotive Body Control Module | Industrial Sensor Node |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, and interior lighting in entry-level vehicles. IC Role / Device Role / Timing Role: Main MCU executing LIN slave protocol, sampling analog sensors (e.g., ambient light, temperature), and driving PWM-controlled LED dimming. Use Value: MC9S08SH32CTJ's Stop3-mode RTC and ADC enable periodic wake-up and measurement without external timing components - reducing BOM cost and board space. | Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and motion data at 10-minute intervals. IC Role / Device Role / Timing Role: System controller managing sensor interfaces, data logging to EEPROM, and wireless transmission via UART-to-LoRa bridge. Use Value: MC9S08SH32CTJ's 1-kHz internal RTC oscillator and ultra-low-power Stop3 mode achieve >5-year battery life - eliminating need for external real-time clock IC. |
| Home Appliance Motor Control | Smart HVAC Actuator |
Use Scenario: Fan speed regulation and thermal protection in compact air purifiers and dehumidifiers. IC Role / Device Role / Timing Role: Dedicated motor controller generating center-aligned PWM for brushless DC fan drive while monitoring thermistor feedback. Use Value: MC9S08SH32CTJ's dual TPM modules provide independent, synchronized PWM outputs - enabling precise 3-phase commutation without external timer IC. | Use Scenario: Position feedback and valve modulation in duct-mounted HVAC dampers with local temperature compensation. IC Role / Device Role / Timing Role: Embedded actuator controller reading potentiometer position, compensating for ambient drift via on-chip temperature sensor, and adjusting stepper motor steps. Use Value: MC9S08SH32CTJ's integrated 10-bit ADC with internal bandgap reference and temperature sensor eliminates external precision references - improving calibration stability over temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S08SH32F1CTJ | Same die, newer mask set; identical electrical specs and pinout; supports enhanced security features in later revisions | No functional difference in legacy designs; required for new designs targeting long-term availability beyond 2025 | Select S9S08SH32F1CTJ for new designs requiring guaranteed supply continuity and updated security options. |
| MC9S08AW32CTJ | Same HCS08 core but with CAN 2.0B controller, higher ESD rating (±8 kV HBM), and extended temp range (−40°C to 125°C) | Required where CAN bus communication or extended temperature operation is mandatory - e.g., engine bay modules | Choose MC9S08AW32CTJ only when CAN interface or 125°C operation is explicitly needed; otherwise MC9S08SH32CTJ offers lower cost and footprint. |
Compared with S9S08SH32F1CTJ and MC9S08AW32CTJ, the MC9S08SH32CTJ provides optimal balance of peripheral integration, low-power operation, and cost for non-CAN, commercial-temperature embedded control - making it ideal for high-volume consumer and industrial applications where CAN or extended temperature is unnecessary.
Availability
MC9S08SH32CTJ is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, home appliance motor control, and smart HVAC actuators requiring stable component supply and long-lifecycle support.
Supply support for MC9S08SH32CTJ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company formed from the spin-off of Freescale Semiconductor and Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The MC9S08SH32CTJ belongs to the HCS08 microcontroller family, designed specifically for cost-optimized, low-power embedded control in automotive body electronics and industrial automation where CAN is not required.
FAQ
What is the maximum operating frequency of the MC9S08SH32CTJ CPU core?
The MC9S08SH32CTJ features an HCS08 CPUV3 core rated for up to 40 MHz operation. This maximum frequency is achievable when the internal clock source (ICS) is configured with appropriate FLL settings and external crystal or resonator support. The actual bus frequency ranges from 2 MHz to 20 MHz depending on ICS configuration, and the core executes instructions at bus clock rate. All timing specifications in the Rev. 3 datasheet assume operation within this validated range.
Does the MC9S08SH32CTJ support in-circuit debugging, and what interface is used?
Yes, the MC9S08SH32CTJ supports in-circuit debugging via a single-wire background debug mode (BDM) interface using the BKGD/MS pin. This interface enables full read/write memory access, breakpoint setting (one hardware breakpoint plus two more in the on-chip debug module), and real-time register inspection. No additional debug headers or JTAG adapters are required - simplifying development and field programming workflows for the MC9S08SH32CTJ.
Can the MC9S08SH32CTJ operate in low-power modes while maintaining real-time functionality?
Yes, the MC9S08SH32CTJ supports Stop3 mode - its deepest low-power state - where the 8-bit real-time counter (RTC) continues running from a dedicated 1-kHz internal oscillator, enabling cyclic wake-up without external components. Additionally, the ADC and analog comparators remain operational in Stop3, allowing event-triggered measurements. This capability makes the MC9S08SH32CTJ suitable for battery-powered applications requiring precise timing and sensor polling at extended intervals.
What are the Flash memory endurance and data retention specifications for the MC9S08SH32CTJ?
The MC9S08SH32CTJ specifies Flash endurance of 100,000 program/erase cycles and data retention of 10 years at 85°C or 20 years at 25°C. These values are guaranteed across the full operating voltage (2.7–5.5 V) and temperature (−40°C to 105°C) range. Flash operations - including burst programming and block protection - are fully supported in-application without requiring external high-voltage supplies, enabling robust firmware updates in the MC9S08SH32CTJ.
Is the MC9S08SH32CTJ pin-compatible with other members of the HCS08 SH-series?
Yes, the MC9S08SH32CTJ in 28-TSSOP packaging is pin-compatible with MC9S08SH16CTJ and S9S08SH32F1CTJ in the same package variant. All share identical pin assignments, electrical characteristics, and peripheral mapping per the MC9S08SH32 Series Data Sheet Rev. 3. However, differences exist in Flash size (16 KB vs. 32 KB) and mask-set-specific security features - so software must be verified for memory layout and security register usage when migrating between MC9S08SH32CTJ and MC9S08SH16CTJ.
MC9S08SH32CTJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Series:
- S08
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- S08
- Core Size:
- 8-Bit
- Speed:
- 40MHz
- Connectivity:
- I2C, LINbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 17
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S08SH32CTJ FAQ
1.How can I place an order for MC9S08SH32CTJ through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08SH32CTJ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MC9S08SH32CTJ reliable?
The price and inventory of MC9S08SH32CTJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08SH32CTJ is usually 5 days.
3.What payment methods are accepted for MC9S08SH32CTJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08SH32CTJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08SH32CTJ?
MC9S08SH32CTJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08SH32CTJ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MC9S08SH32CTJ?
For technical support, including MC9S08SH32CTJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08SH32CTJ requirements.
6.How does Aetrix verify that MC9S08SH32CTJ is sourced from the original manufacturer or authorized distributors?
All MC9S08SH32CTJ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC9S08SH32CTJ meets industry standards.
7.What is the process for return or replacement of MC9S08SH32CTJ?
All MC9S08SH32CTJ units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08SH32CTJ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MC9S08SH32CTJ part is unused and in its original packaging.
Return procedure for MC9S08SH32CTJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MC9S08SH32CTJ Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
