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STMicroelectronics STA016AP
- Part No.:
- STA016AP
- Manufacturer:
- STMicroelectronics
- Category:
- Encoders, Decoders, Converters
- Package:
- 64-LQFP
- Datasheet:
-
STA016AP.pdf
- Description:
- IC DECODER AUDIO 2.5 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,458
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Product details
Overview
STA016AP from STMicroelectronics is a single-chip MPEG-1/2/2.5 Layer III audio decoder with embedded CD-ROM (ISO 9660/Joliet) and ECC/EDC decoding capability, supporting sampling rates from 8 kHz to 48 kHz and bitrates from 8 kbit/s to 320 kbit/s. It integrates an I²S output interface, programmable GPSO data port (up to 5 Mbit/s), dual-band tone control, digital volume, and bypass mode for external analog sources - deployed in automotive CD/MP3 players and multimedia head units.
For engineers reviewing the STA016AP datasheet, STA016AP pinout, STA016AP application, or STA016AP equivalent, key selection considerations include its integrated CD-ROM file system parser, hardware-accelerated MP3 decode engine, I²C-configurable PLL clock generation, and support for both CDDSP-linked CD playback and standalone flash-based MP3 streaming via SDI interface.
Technical Context
The STA016AP implements a dedicated DSP core executing full ISO/IEC 11172-3 (MPEG-1 Audio), 13818-3.2 (MPEG-2 Audio), and proprietary MPEG-2.5 Layer III decode, including sync detection, Huffman decoding, inverse quantization, and stereo reconstruction. Its embedded firmware handles ISO 9660/Joliet file system navigation, sector translation, and C3 error correction without host MCU intervention beyond command issuance.
Three parallel input paths are supported: CDDSP serial link (for CD audio + metadata), SDI bitstream interface (for MP3 files from flash), and I²S input (bypass mode for tuner/audio source processing). Output is delivered via configurable I²S (LRCKO/SDO/BCKO) with oversampling clock (OSCK) and optional GPSO high-speed data transfer for firmware updates or auxiliary content.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| MPEG Support | Full Layer III decode per ISO/IEC 11172-3, 13818-3.2, and MPEG-2.5 extension - enables backward-compatible playback of legacy CD-DA, MP3-CD, and low-sample-rate voice archives. |
| Sampling Rates | 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz - covers all standard CD, broadcast, and voice-grade audio formats without resampling latency. |
| Bitrate Range | 8–320 kbit/s - supports VBR and CBR streams across consumer and professional encoding profiles. |
| Output Interface | I²S (LRCKO/SDO/BCKO) + OSCK - directly drives standard stereo DACs; no external serializer or format converter required. |
| Power Supply | 2.5 V (digital core) and 3.3 V (I/O) - dual-rail operation enables clean signal integrity while interfacing with mixed-voltage systems. |
| GPSO Throughput | Up to 5 Mbit/s - enables rapid firmware patching, playlist loading, or metadata exchange without blocking main I²C control path. |
| Cue Sheet Entries | 100-entry limit - supports precise track indexing and chapter navigation in CD-ROM-based multimedia applications. |
Pinout & Package
TQFP64 package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad; designed for surface-mount reflow assembly and thermal management in compact audio subsystems.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CD_LRCK / CD_SDI / CD_BCK | CDDSP interface clock/data | Direct connection to CD servo DSP for synchronized CD-DA playback and metadata extraction. |
| BS_SDI / BS_LRCK / BS_BCK | Bitstream input interface | Accepts raw MP3 bitstream from microcontroller or flash memory - decoupled from mechanical CD transport. |
| LRCKO / SDO / BCKO / OSCK | I²S PCM output | Standard left/right-aligned 16–24-bit stereo output with independent oversampling clock for jitter-sensitive DACs. |
| GPSO_REQ / GPSO_SDO / GPSO_CK | High-speed serial data port | Asynchronous bidirectional channel for firmware updates, large-file transfers, or real-time diagnostics at up to 5 Mbit/s. |
| SCL / SDA | I²C control bus | Primary configuration and status interface - supports register read/write, playback control, and error reporting. |
| IODATA0–IODATA15 | General-purpose I/O bank | Configurable as GPIOs for button inputs, display enable, LED drivers, or custom peripheral signaling. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CD-ROM stack | Hardware-accelerated ISO 9660 + Joliet parsing with ECC/EDC correction - eliminates need for host MCU file system software. |
| Browsing Command Interpreter (BCI) | On-chip directory navigation engine supporting parent/enter/next/prev commands - reduces host firmware complexity in media players. |
| Dual-band tone control | Independent bass/treble adjustment via I²C registers (TONE_FCUTH/TONE_FCUTL, TONE_GAINH/TONE_GAINL) - enables factory-tuned audio response. |
| Flexible bypass mode | I²S input path routed through digital volume and tone blocks - allows use as standalone audio processor for tuners or auxiliary sources. |
| Software-upgradable functionality | MMC/SD card support (SPI read/write), sample rate conversion, and long filename handling added via firmware update - extends product lifecycle. |
Applications
| Audio CD Player | Multimedia Head Unit |
|---|---|
|
Use Scenario: Playback of Red Book CD-DA discs with track skipping, pause, and fast forward. IC Role / Device Role / Timing Role: Primary audio decoder and CD-ROM controller - manages CDDSP communication, sector buffering, and PCM output timing. Use Value: Eliminates separate CD-ROM controller IC and audio DSP, reducing BOM count and PCB area in cost-sensitive automotive head units. |
Use Scenario: Simultaneous playback of MP3 files from SD card and CD-DA discs with seamless source switching. IC Role / Device Role / Timing Role: Dual-path audio processor - decodes MP3 via SDI interface while handling CD-DA via CDDSP link, synchronizing outputs via shared PLL. Use Value: Enables hybrid media architecture without external multiplexers or clock domain crossing logic. |
| Car Radio System | CD-ROM-Based Kiosk |
|
Use Scenario: Integration into AM/FM tuner module with auxiliary MP3 playback capability using internal flash memory. IC Role / Device Role / Timing Role: Audio post-processor in bypass mode - applies digital volume and tone control to tuner analog output digitized via external ADC. Use Value: Replaces discrete op-amp EQ and analog volume potentiometer, improving consistency and enabling remote calibration. |
Use Scenario: Public information terminal reading audio guides from CD-ROM with multilingual menu navigation. IC Role / Device Role / Timing Role: File system navigator and audio decoder - interprets Joliet long filenames, executes BCI commands, and streams decoded PCM to speaker amplifier. Use Value: Supports Unicode filename display and hierarchical directory browsing without host CPU file system overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar MPEG Layer III audio decoding applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STA017AP | Successor with enhanced GPSO bandwidth (10 Mbit/s), expanded I/O count (24 GPIOs), and integrated SDIO interface. | Required for SD card native boot and high-resolution metadata rendering in next-gen infotainment platforms. | Select when migrating to SD-based content delivery and requiring higher firmware update throughput. |
| ZR38601 | Dedicated MP3 decoder with SPI interface only; no CD-ROM or CDDSP support; lower power (1.8 V core). | Limited to flash-based MP3 players without CD compatibility or file system navigation. | Choose for ultra-low-power portable audio where CD functionality is unnecessary. |
Compared with STA016AP, STA017AP adds SDIO and doubles GPSO speed but increases package size and cost; ZR38601 offers lower power and simpler integration but lacks CD-ROM, CDDSP, and BCI - making STA016AP uniquely suited for legacy CD/MP3 hybrid designs requiring full ISO 9660 compliance.
Availability
STA016AP is available at Aetrix Electronics and suitable for automotive infotainment systems, CD-based multimedia kiosks, and legacy MP3 player upgrades requiring stable component supply and long-term obsolescence management.
Supply support for STA016AP 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in microcontrollers, power management, and audio/video processing ICs for automotive, industrial, and consumer markets.
The STA016AP belongs to ST's legacy audio decoder product line, engineered specifically for cost-optimized, feature-rich CD/MP3 playback systems requiring integrated file system handling and multi-source audio routing.
FAQ
What audio formats does the STA016AP natively decode?
The STA016AP natively decodes MPEG-1 Layer III (ISO/IEC 11172-3), MPEG-2 Layer III (ISO/IEC 13818-3.2), and the extended MPEG-2.5 syntax - covering all standard sampling rates (8–48 kHz) and bitrates (8–320 kbit/s). It does not support AAC, WMA, or FLAC; decoding is strictly limited to Layer III bitstreams.
Does the STA016AP require an external crystal oscillator?
Yes - the STA016AP requires a 14.31818 MHz crystal connected between XTI and XTO pins to generate internal clocks. The PLL uses this reference to synthesize precise audio clocks (e.g., 176 kHz or 192 kHz × oversampling factor) for I²S output and internal DSP timing.
Can the STA016AP decode MP3 files stored on an SD card?
Yes - via its SDI interface and embedded Browsing Command Interpreter (BCI), the STA016AP can read MP3 files from SD cards when paired with an SPI-connected SD controller MCU. Firmware extensions (documented in Section 1.1) add native SD/MMC read/write support, though the base silicon requires host-assisted file access.
Is the STA016AP still in active production?
No - the STA016AP is marked "Obsolete Product(s)" in its official documentation (Rev. 1, July 2004). Aetrix Electronics provides last-time-buy inventory, full traceability, and engineering support for legacy design maintenance and repair programs.
STA016AP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 64-LQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- Audio Decoder
- Applications:
- Multimedia
- Voltage - Supply, Analog:
- -
- Voltage - Supply, Digital:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 64-TQFP (10x10)
STA016AP FAQ
1.How can I place an order for STA016AP through Aetrix?
Please submit a Request for Quotation (RFQ) for STA016AP 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 STA016AP reliable?
The price and inventory of STA016AP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STA016AP is usually 5 days.
3.What payment methods are accepted for STA016AP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STA016AP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STA016AP?
STA016AP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STA016AP 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 STA016AP?
For technical support, including STA016AP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STA016AP requirements.
6.How does Aetrix verify that STA016AP is sourced from the original manufacturer or authorized distributors?
All STA016AP 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 STA016AP meets industry standards.
7.What is the process for return or replacement of STA016AP?
All STA016AP units undergo pre-shipment inspection (PSI). If there is an issue with STA016AP, 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 STA016AP part is unused and in its original packaging.
Return procedure for STA016AP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STA016AP Tags
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MCP2120T-I/SL
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LICAL-ENC-MS001
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