GM67211_VC1¶
48KHz Low-Latency Virtual 7.1 Gaming Audio Processor with EQ/FPS Enhancement and I²S Input Interface
1. Introduction¶
1.1 Product Description¶
GM67211 is a high-performance audio processor developed specifically for the PS5/SWITCH gaming market. It supports PCM 48KHz/16bit format and provides an immersive audio experience for gamers. This product is developed based on the XMOS high-performance chip and optimized specifically for gaming audio processing.
- GM67211 supports I²S digital audio input interface, which after processing through the built-in SA Virtual 7.1 algorithm, outputs high-quality 2-channel analog audio signals to meet gaming audio playback requirements.
- GM67211 incorporates the SA Virtual 7.1 algorithm, which synthesizes 7.1 channels into 2-channel analog output through human-ear-optimized algorithms, allowing users to experience full surround sound effects and sound localization through headphones.
- This product adopts standard I²S interface design with excellent compatibility and can work with various HDMI Repeaters.
1.2 Product Features¶
Gaming Audio Enhancement Features
- FPS Gaming Enhancement Mode
- Optimized specifically for first-person shooter games
- Provides more precise spatial directionality
- Enhanced key sound effects such as footsteps and gunshots
- Improves competitive gaming performance
- SA Virtual 7.1 Algorithm
- Converts 7.1 channels to 2-channel output through specialized algorithms
- Optimized for human hearing, providing 360-degree surround sound and sound localization effects
Audio Performance Features
- Supports 48kHz/16bit PCM format, optimized for gaming scenarios
- Low-latency audio processing ensures smooth gaming experience
Interface Support Features
- Multiple Digital Interface Support
- Supports I²S Slave mode audio input
1.3 Application Scenarios¶
- PS5 HDMI Virtual 7.1 Gaming Sound Card
- Switch HDMI Virtual 7.1 Gaming Sound Card
- Switch Type-C Dock Integrated Virtual 7.1 Gaming Sound Card
1.4 Product Functional Block Diagram¶
1.5 Ordering Information¶
| PRODUCT | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Comments |
|---|---|---|---|---|
| GM67211_VC1 | GM67211-VC1 | SMT LGA-52 | 13x13mm | 48KHz Low-Latency Virtual 7.1 Gaming Audio Processor with EQ/FPS Enhancement and I²S Input Interface |
2. Modes and Performance Specifications¶
2.1 Supported Function Modes¶
When the mode switch button is pressed once, the system cycles through three sound effect modes, switching to the next mode with each button press.
| Mode Number | Sound Effect Mode Name | Function Description |
|---|---|---|
| 1 | No Sound Effect Mode | Audio signal does not undergo any sound effect processing, maintains original audio output |
| 2 | FPS/EQ Mode | Enables FPS gaming enhancement algorithm, enhances key sound effects such as footsteps and gunshots, improves spatial directionality |
| 3 | Virtual 7.1 Mode | Enables SA Virtual 7.1 algorithm, converts 7.1 channel audio to 2-channel output, provides 360-degree surround sound and sound localization effects |
2.2 Supported Audio Formats and Sampling Rates:¶
| Audio Format | Supported Sampling Rates | Bit Depth |
|---|---|---|
| PCM | 48kHz | 16bit |
3. Pin Configuration and Functions¶
3.1 GM67211_VC1 Pin Layout¶
3.2 GM67211_VC1 Pin Description¶
| Pin Number | Name | Type | Function |
|---|---|---|---|
| 1 | 3.3V | P | 3.3V Supply |
| 2 | X1D13 | I | S/PDIF OUT |
| 3 | X1D16 | I | I2S_D3IN, Connect to HDMI I2S D3OUT |
| 4 | GND | P | GND |
| 5 | X1D17 | I | I2S_D2IN, Connect to HDMI I2S D2OUT |
| 6 | X1D18 | I/O | I2S_D1IN, Connect to HDMI I2S D1OUT |
| 7 | X1D19 | I/O | I2S_D0IN, Connect to HDMI I2S D0OUT |
| 8 | X1D22 | I | nc |
| 9 | X0D29 | I | NC |
| 10 | X0D35 | I/O | NC |
| 11 | X0D36 | I/O | NC |
| 12 | X0D37 | I/O | I2C_SCL Connect to TLV320AIC3204 I2C_SCL |
| 13 | X0D38 | I/O | I2C_SDA Connect to TLV320AIC3204 I2C_SDA |
| 14 | X0D40 | O | NC |
| 15 | X0D39 | I/O | DFU pin, Active High |
| 16 | X0D42 | I/O | NC |
| 17 | X0D41 | I/O | CTRL_MUTE, Active High |
| 18 | X0D43 | I/O | NC |
| 19 | X1D34 | O | NC |
| 20 | GND | P | GND |
| 21 | X0D30 | I | NC |
| 22 | X0D31 | I | NC |
| 23 | X0D32 | I | NC |
| 24 | X0D33 | I | NC |
| 25 | GND | P | GND |
| 26 | GND | P | GND |
| 27 | GND | P | GND |
| 28 | X0D00 | I/O | NC |
| 29 | X0D11 | I | MCLK_IN Connect to LV320AIC3204 MCLK and HDMI MCLK |
| 30 | X1D00 | I | NC |
| 31 | X1D01 | O | I2S_LRCK, Connect to TLV320AIC3204 I2S LRCK and HDMI I2S LRCK |
| 32 | GND | P | GND |
| 33 | X1D09 | I/O | I2S_DOUT, Connect to TLV320AIC3204 |
| 34 | X1D10 | O | I2S_BCLK, Connect to TLV320AIC3204 I2S BCLK and HDMI I2S BCLK |
| 35 | X1D11 | O | MCLK_IN Connect to LV320AIC3204 MCLK and HDMI MCLK |
| 36 | GND | P | GND |
| 37 | GND | P | GND |
| 38 | TDI | I/O | XTAGDEBUG PIN |
| 39 | TDO | I/O | XTAGDEBUG PIN |
| 40 | TMS | I/O | XTAGDEBUG PIN |
| 41 | TCK | I/O | XTAGDEBUG PIN |
| 42 | RST_N | I/O | REST, Active low |
| 43 | 1.8V | P | 1.8V Supply |
| 44 | GND | P | GND |
| 45 | USB_DM | I/O | USB_DM |
| 46 | USB_DP | I/O | USB_DP |
| 47 | GND | P | GND |
| 48 | 0.9V | P | 0.9V Supply |
| 49 | GND | P | GND |
| 50 | GND | P | GND |
| 51 | GND | P | GND |
| 52 | GND | P | GND |
Pin Type Description
I/O type definitions in the table: I=Input, O=Output, P=Power, I/O=Input/Output
4. Hardware Parameters¶
4.1 Normal Operating Conditions¶
| Function | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Operating Temperature | 0 | - | 70 | ℃ |
| 3.3V Operating Voltage | 3.0 | 3.3 | 3.6 | V |
| 1.8V Operating Voltage | 1.62 | 1.80 | 1.98 | V |
| 0.9V Operating Voltage | 0.855 | 0.90 | 0.945 | V |
4.2 Product Dimensions¶
13±0.1mm(L)X13±0.1mm(W)X0.8±0.1mm(H)
4.3 Module Package Diagram¶
5 Product Packaging Information¶
Tray + Outer Box Packaging
6. Revision History¶
| Version | Date | Description | Modifier |
|---|---|---|---|
| V1.0 | 2025-08-23 | Initial version release | |
| V1.1 | 2025-09-10 | Modified pin definition | |
8. Inquiry and Feedback¶
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