IC DESCRIPTION-7/7 (YSS902)-1/2
Pin No.Pin NameI/ODescription
1VDD1N+5V power supply. (for I/Os)
2RAMCENOExtemal SRAM Interface /CE. (Not connected)
3RAMA16OExtemal SRAM Interface adderss 16. (Not connected)
4RAMA15OExtemal SRAM Interface adderss 15. (Not connected)
5SDIB0IPCM input 0 to Sub DSP. (Not connected)
6SDIB1IPCM input 1 to Sub DSP. (Not connected)
7SDIB2IPCM input 2 to Sub DSP. (Not connected)
8XIICrystal oscillator connection or input external clock. (6.125MHz-50.0MHz)
9XOOCrystal oscillator connection .
10VSSNGround.
11AVDDN+3.3V power supply. (for PLL circult)
12SDIB3OTest terminal. (Not connected)
13TESTOTest terminal. (Not connected)
14TESTOTest terminal. (Not connected)
15OVFBODetection of overflow at Sub DSP.
16DTSDATAOTest terminal. (Not connected)
17AC3DATAOTest terminal. (Not connected)
18SDOB3OTest terminal. (Not connected)
19CPOOOutput terminal for PLL.
20AVSSNGround. (for PLL circuit)
21VDD2N+3.3V power supply. (for core logic)
22SDOA2OPCM output from Main DSP. (C, LFE) (Not connected)
23SDOA1OPCM output from Main DSP. (LS, RS) (Not connected)
24SDOA0OPCM output from Main DSP. (L, R) (Not connected)
25-29RAMA14-10OExternal SRAM Interface address14-10. (Not connected)
30VSSNGround.
31VDD1N+5V power supply. (for I/Os)
32-39OPORT0-7OOutput port for general purpose. (Not connected)
40VSSNGround.
41VDD2N+3.3V power supply. (for core logic)
42-44RAMA9-7OExternal SRAM Interface address 9-7.
45-47SDOB2-0OPCM output from Sub DSP.
48SDBCK1IBit clock input for SDOA, SDIB, SDOB. (Not connected)
49SDWCK1IWord clock input for SDOA, SDIB, SDOB. (Not connected)
50VSSNGround.
51VDD2N+3.3V power supply. (for core logic)
52NONPCMODetection of non-PCM data.
53CRCODetection of CRC error.
54MUTEODetection of auto mute.
55KARAOKEODetection of AC-3 karaoke data.
56SURENCODetection of AC-3 2/0 mode Dolby surround encoded input.
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ACEC
