AC200
The AC200 is a digital analog mixed signal IC, which is used in some TV boxes, and is co-packaged on the H6 and H616 packages. It is composed of Audio, Video and EPHY modules. The AC300 is a stripped down version just containing the EPHY module.
Features
Audio, communicate with SoC through I2s Interface, transform I2S to 2MIC and 1 lineout.
Video, communicate with SoC through CCIR656 Interface, transform CCIR656 to CVBS(Composite Video Broadcast Signal).
EPHY, communicate with SoC through MII/RMII Interface, transform to 100M ethernet.
Audio
- Support One I2S/PCM interface
- Two audio digital-to-analog(DAC) channels
- — 100dB SNR@A-weight
- — Supports DAC Sample Rates from 8KHz to 192KHz
- Support analog/ digital volume control
- Two differential microphone inputs
- One lineout output with voltage ramp
- Two audio analog-to-digital(ADC) channels
- — 92dB SNR@A-weight
- — Supports ADC Sample Rates from 8KHz to 48KHz
- Support Automatic Gain Control(AGC) adjusting the ADC recording output
Video
- Support CCIR656 and Serial YUV interface
- 1 CVBS out, Support NTSC and PAL
- Plug status auto detecting
EPHY
- Support MII and RMII interface
- Fully IEEE 802.3 10/100 Base-TX compliant and supports EEE
- Auto negotiation and parallel detection capability for automatic speed and duplex selection
- Programmable loopback mode for diagnostic
- Supports WOL (Wake-On-Lan) functionality
- Design for Testability with extensive testability feature and 95% fault coverage
- Power consumption (100Base-TX) less than 140mW
Control
- TWI/RSB control interface, TWI up to 400Kbps, RSB up to10Mbps (only for AC200)
- MDIO control interface on PHY address 16 (only for AC300)
- Integrate Codec LDO, Core LDO, single 3.3V supply for chip
- Internal OSC, 32K clock output
- Internal RTC function
- QFN 68-pin package, 8mm x 8mm
Block Diagram
Usage in H6 and H616
The H6 has an AC200 die co-packaged on the chip, the H6 user manual calls it ATE(Audio, TVE, EPHY) controller, in chapter 3.20.
Some H616 and H618 chips use a co-packaged AC200, some others use an AC300 die. Bit 8 of eFuse 0x2c (at address 0x300622c) indicates the presence of an AC300 die.
Documents
- File:AC200 Datasheet V1.1.pdf (PDF, 96 pages, 2017-12-04)
- File:AC300 User Manual V1.0 cleaned.pdf (PDF, 21 pages, 2022-09-15)