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SYN6288E
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Beijing Yu tone World Tech Audio Interface ICs, QFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSYN6288E
Beijing Yu tone World Tech · Audio Interface ICs · QFP-32(7x7)
SYN6288E from Beijing Yu tone World Tech, in a QFP-32(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | XOUT | output | High-speed crystal oscillator output. |
| 2 | VDDA | power_in | Positive supply of the internal regulator. |
| 3 | TxD | output | UART data transmit; initial baud rate 9600bps. |
| 4 | RxD | input | UART data receive; initial baud rate 9600bps. |
| 5 | VSSIO0 | power_in | Negative supply (ground) of bus module 0. |
| 6 | VDDIO0 | power_in | Positive supply of bus module 0. |
| 7 | VSSIO0 | power_in | Negative supply (ground) of bus module 0. |
| 8 | Ready/Busy-STATUS | output | Low level means chip idle and able to receive commands and data; high level means chip busy synthesizing and playing speech. |
| 9 | Res. | input | Res pin; must be wired per the datasheet section 10.7 (should reach high level before the supply groups ramp up). |
| 10 | VDDIO1 | power_in | Positive supply of bus module 1. |
| 11 | VSSIO1 | power_in | Negative supply (ground) of bus module 1. |
| 12 | VSSPP | power_in | Negative supply of the voice output module. |
| 13 | BP0 | output | Push-pull DAC speech output 1; drive/sink current 150mA at VDD=3V. |
| 14 | VDDPP | power_in | Positive supply of the voice output module, can be powered independently of other supply groups. |
| 15 | BN0 | output | Push-pull DAC speech output 2; drive/sink current 150mA at VDD=3V. |
| 16 | VSSPP | power_in | Negative supply of the voice output module. |
| 17 | NC | unconnected | No connection. |
| 18 | NC | unconnected | No connection. |
| 19 | NC | unconnected | No connection. |
| 20 | NC | unconnected | No connection. |
| 21 | NC | unconnected | No connection. |
| 22 | NC | unconnected | No connection. |
| 23 | NC | unconnected | No connection. |
| 24 | VSS | power_in | Negative supply, integral with the chip substrate; must be connected to PCB ground (GND) or VSS. |
| 25 | VSSIO2 | power_in | Negative supply (ground) of bus module 2. |
| 26 | CVSS | power_in | Negative supply of the processor. |
| 27 | RST | input | Chip reset, active low. |
| 28 | VDDIO2 | power_in | Positive supply of bus module 2. |
| 29 | CVDD | power_in | Positive supply of the processor. |
| 30 | REGOUT | power_out | Regulated voltage output (linear regulator) of 2.8V±0.2V (2.6V to 3.0V), 20mA output current, supplying CVDD. |
| 31 | VSSA | power_in | Negative supply of the internal regulator. |
| 32 | XIN | input | High-speed crystal oscillator input. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Beijing Yu tone World Tech |
| Package | QFP-32(7x7) |
| Category | Interface ICs |
| Pins | 32 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage (absolute maximum) | VDD-V | -0.3 | 5.1 | V | 29 | ||
| Operating temperature (absolute maximum) | TOP | -35 | 85 | ℃ | 29 | ||
| Storage temperature | TSTG | -55 | 125 | ℃ | 29 | ||
| Operating Voltage | VDD | 2.4 | 3.3 | 5.1 | V | 29 | |
| Input current of RxD | IIH | 10 | uA | VDD=3V,VIN=3V | 29 | ||
| Standby current | ISBY | 2 | uA | VDD=3V, no load | 29 | ||
| Operating Current | IOPR | 10 | mA | VDD=3V, no load | 29 | ||
| Pull-Up resistor of TxD | RPU | 800 | KΩ | VDD=3V, no load | 29 | ||
| Drive current of TxD | IOD | 4 | mA | VDD=3V,VO=2.4V | 29 | ||
| Sink Current of Status | IOS | 6 | mA | VDD=3V,VO=0.4V | 29 | ||
| Crystal Oscil. Freq | FOSC | 16 | MHz | VDD=3V | 29 | ||
| REGOUT output voltage | 2.6 | 3 | V | Linear regulator output, designed 2.8V±0.2V | 31 |
CAD (KiCad official)
- Symbol:
SYN6288E - Footprint:
Package_QFP:LQFP-32_7x7mm_P0.8mm - 3D model: QFP-32(7x7) (KiCad packages3D, STEP)
- 3D model files:
syn6288e-etched.step/syn6288e-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);syn6288e.step/syn6288e.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Beijing Yu tone World Tech datasheet (39 pp, sha256
00522ac6d69be7f6, retrieved 2026-10-22, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).