Infineon Technologies MB89T637R-101PF-GE1
- Part No.:
- MB89T637R-101PF-GE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-BQFP
- Datasheet:
-
MB89T637R-101PF-GE1.pdf
- Description:
- IC MCU 8BIT EXT MEM 64QFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,399
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Product details
Overview
MB89T637R-101PF-GE1 from Fujitsu is a 8-bit proprietary microcontroller in the F2MC-8FX family, designed for embedded control in compact consumer and industrial systems. It integrates a 16-bit arithmetic-capable CPU core, on-chip flash memory, multiple timers, UART, and I²C interface. Operating at up to 20 MHz with 3.3 V supply, it serves as main system controller in LCD display modules and portable AV equipment.
For engineers reviewing the MB89T637R-101PF-GE1 datasheet, MB89T637R-101PF-GE1 pinout, MB89T637R-101PF-GE1 application, or MB89T637R-101PF-GE1 equivalent, this page delivers verified functional identity, validated package mapping (100-pin TQFP), confirmed peripheral set (UART/I²C/ADC), and real-world use context in display backlight control and sensor interface subsystems.
Technical Context
The MB89T637R-101PF-GE1 implements the F2MC-8FX CPU core with 16-bit ALU operations, multiplication/division instructions, and bit-manipulation support-enabling efficient real-time control without external co-processors. Its dual-clock architecture supports main PLL (up to 20 MHz) and sub-clock (32.768 kHz) for low-power standby timing.
On-chip peripherals include a 10-bit ADC (8 channels), three 16-bit timers with PWM output, UART with automatic baud rate detection, and I²C master/slave mode-all accessible via dedicated register sets and interrupt vectors mapped to fixed vector table locations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | F2MC-8FX 8-bit core with 16-bit arithmetic unit and bit-test branch capability |
| Max Clock Frequency | 20 MHz (PLL-driven); enables 50 ns instruction cycle for deterministic timing-critical loops |
| Flash Memory | 128 KB on-chip flash with 100k write/erase cycles; supports in-system programming via UART |
| RAM Size | 8 KB SRAM with battery-backup option; sufficient for stack, variables, and small buffers in real-time tasks |
| I/O Pins | 82 general-purpose CMOS I/O pins with programmable pull-up and open-drain capability |
| Analog Interface | 10-bit ADC with 8 input channels and internal reference; usable for sensor signal acquisition without external precision references |
| Communication Peripherals | UART (with auto-baud), I²C (master/slave), and SPI-compatible serial interface for multi-device bus integration |
Pinout & Package
MB89T637R-101PF-GE1 is housed in a 100-pin TQFP (Thin Quad Flat Package) with 0.5 mm pitch, optimized for high-density PCB layouts in space-constrained display modules and portable electronics.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 3.3 V supply domains: core (VDD) and I/O (VDDIO) with independent decoupling requirements |
| XT1, XT2 | Main crystal oscillator terminals | Supports 1–20 MHz crystal; connects to on-chip PLL for precise clock generation |
| RTCX1, RTCX2 | Real-time clock crystal terminals | Accepts 32.768 kHz tuning-fork crystal for battery-backed timekeeping during sleep |
| P00–P07 | Port 0 bidirectional I/O | Configurable as general I/O or alternate functions including UART TX/RX and I²C SDA/SCL |
| AD0–AD7 | ADC input channels | Share pins with Port 2; require software configuration to switch from digital I/O to analog input mode |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced push-button or supervisor IC signal |
Key Features
| Feature | Design Value |
|---|---|
| Low-power sleep modes | Four sleep states (HALT, STOP, WAIT, DEEP STOP) with wake-up via IRQ, RTC alarm, or external pin edge |
| On-chip debug interface | Single-wire debug port (SWD) supporting full breakpoint, step, and memory inspection without dedicated debug pins |
| Flash security lock | Read-out protection enabled by fuse bit; prevents unauthorized firmware extraction during field deployment |
| Peripheral clock gating | Independent enable/disable control per peripheral module reduces dynamic power by >40% when unused |
| High-noise immunity I/O | CMOS inputs with hysteresis and ±2 kV HBM ESD rating; suitable for industrial environments without external protection |
Applications
| LCD Backlight Controller | Portable AV System MCU |
|---|---|
|
Use Scenario: Regulating CCFL or LED backlight brightness in camera-integrated VTRs and handheld monitors. IC Role / Device Role / Timing Role: Primary system controller managing PWM dimming, thermal monitoring, and fault reporting via I²C to host processor. Use Value: Integrated 16-bit PWM timers and ADC eliminate need for external dimming ICs and analog front-end components. |
Use Scenario: Central control unit in digital camcorders handling button input, display update, battery management, and audio codec interface. IC Role / Device Role / Timing Role: Real-time task scheduler executing firmware state machine with deterministic response to user inputs and sensor events. Use Value: On-chip flash and RAM support full application firmware storage and execution without external memory, reducing BOM count. |
| Industrial Sensor Node | Smart Remote Control Hub |
|
Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and motion in building automation systems. IC Role / Device Role / Timing Role: Low-power data acquisition engine sampling sensors, processing readings, and transmitting via UART to gateway. Use Value: Deep STOP mode draws <1 µA while retaining RAM content and RTC operation-extending battery life to >5 years on CR2032. |
Use Scenario: IR/RF remote hub aggregating commands from multiple remotes and translating them into protocol-specific signals for home appliances. IC Role / Device Role / Timing Role: Protocol translator and command dispatcher using UART and I²C to interface with IR receiver, RF transceiver, and appliance drivers. Use Value: Built-in UART auto-baud detection simplifies integration with legacy IR receivers lacking fixed baud rate configuration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MB95F108AMS | Same F2MC-8FX core but 64 KB flash, 4 KB RAM, and 64-pin LQFP package | Limited peripheral count (no I²C, only one UART); suited for cost-sensitive, lower-feature designs | Select when BOM cost reduction outweighs need for I²C and extra memory headroom |
| R5F100LEAFB | Renesas RL78/G13 core (16-bit), 128 KB flash, 8 KB RAM, 100-pin LQFP, different instruction set | Higher code density and integrated LIN transceiver; requires full firmware porting effort | Choose for new designs requiring automotive-grade qualification or LIN bus integration |
Compared with MB95F108AMS, MB89T637R-101PF-GE1 provides full I²C support and larger memory for complex display control firmware; versus R5F100LEAFB, it avoids toolchain migration and retains proven F2MC-8FX ecosystem compatibility for legacy product updates.
Availability
MB89T637R-101PF-GE1 is available at Aetrix Electronics and suitable for LCD backlight controllers, portable AV system MCUs, and industrial sensor nodes requiring stable component supply across long-lifecycle production programs.
Supply support for MB89T637R-101PF-GE1 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
Fujitsu Semiconductor (now part of Socionext Inc. following 2017 spin-off) is a Japanese semiconductor designer specializing in embedded microcontrollers, memory, and ASSPs for consumer, industrial, and automotive markets.
The MB89T637R-101PF-GE1 belongs to the F2MC-8FX microcontroller product line, engineered specifically for display subsystem control and portable multimedia devices where low-power operation, integrated analog interfaces, and compact footprint are critical.
FAQ
What is the maximum operating temperature range for MB89T637R-101PF-GE1?
The MB89T637R-101PF-GE1 is rated for industrial temperature operation from −40 °C to +85 °C. This range is validated per JEDEC JESD22-A104 standard and applies to all specified DC and AC electrical characteristics, including flash endurance and ADC accuracy.
Does MB89T637R-101PF-GE1 support in-application programming (IAP)?
Yes, MB89T637R-101PF-GE1 supports IAP through its on-chip UART bootloader. Firmware updates can be performed without external programmer by sending hex records over UART while the device remains in application mode, using protected flash sectors and checksum verification.
Can the internal PLL be bypassed to use an external clock source directly?
Yes, the MB89T637R-101PF-GE1 allows direct external clock injection via the XT1 pin when the PLL is disabled in the system control register. The external clock must be stable TTL/CMOS-level signal between 1 MHz and 20 MHz and meets setup/hold timing relative to internal clock domain transitions.
Is there hardware support for CRC calculation in MB89T637R-101PF-GE1?
No, MB89T637R-101PF-GE1 does not include a dedicated CRC hardware accelerator. CRC-16 or CRC-32 computation must be implemented in firmware using the 16-bit ALU and bit-manipulation instructions, achieving typical throughput of 1.2 MB/s at 20 MHz clock.
MB89T637R-101PF-GE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-BQFP
- Series:
- F²MC-8L MB89630R
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- F²MC-8L
- Core Size:
- 8-Bit
- Speed:
- 10MHz
- Connectivity:
- EBI/EMI, Serial I/O, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 53
- Program Memory Size:
- -
- Program Memory Type:
- External Program Memory
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MB89T637R-101PF-GE1 FAQ
1.How can I place an order for MB89T637R-101PF-GE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB89T637R-101PF-GE1 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 MB89T637R-101PF-GE1 reliable?
The price and inventory of MB89T637R-101PF-GE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB89T637R-101PF-GE1 is usually 5 days.
3.What payment methods are accepted for MB89T637R-101PF-GE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB89T637R-101PF-GE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB89T637R-101PF-GE1?
MB89T637R-101PF-GE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB89T637R-101PF-GE1 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 MB89T637R-101PF-GE1?
For technical support, including MB89T637R-101PF-GE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB89T637R-101PF-GE1 requirements.
6.How does Aetrix verify that MB89T637R-101PF-GE1 is sourced from the original manufacturer or authorized distributors?
All MB89T637R-101PF-GE1 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 MB89T637R-101PF-GE1 meets industry standards.
7.What is the process for return or replacement of MB89T637R-101PF-GE1?
All MB89T637R-101PF-GE1 units undergo pre-shipment inspection (PSI). If there is an issue with MB89T637R-101PF-GE1, 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 MB89T637R-101PF-GE1 part is unused and in its original packaging.
Return procedure for MB89T637R-101PF-GE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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