Sony HCD-SB100 - Page 75

75
HCD-SB100/SB200
Ver. 1.1
AMP BOARD IC301 PS9818 (DIGITAL AUDIO PROCESSOR)
Pin No. Pin Name I/O Description
1 IO_VSS1 — I/O digital ground.
2 PLL_DVSS — PLL digital ground.
3 PLL_DVDD — PLL peripheral digital power supply. 2.5V supply voltage.
4 PLL_XPD I Internal PLL Power Down. Active Low.
5 PLL_CPC I Internal PLL Charge Pump Current Selection input.
6 PLL_AVDD — PLL analog power supply. 2.5V supply voltage.
7 PLL EXT LPF I External PLL low pass filter pin.
8 PLL_AVSS — PLL analog ground.
9 IO_VSS9 — I/O digital ground.
10 IO_VDD10 — 3.3V Digital power supply. I/O power supply.
11 MBCK I/O PCM bit clock input/output of main 8-channel audio.
12 MLRCK I/O PCM Word clock (left-right clock) input/output of main 8-channel audio
13 DVDD13 — 2.5V Digital power supply. Core power supply.
14 DVSS14 — Core digital ground.
15 to 18 MSDIN[3:0] I PCM serial data input of main 8-channel audio.
19 SBCK I/O PCM Word clock (left-right clock) input/output of main 8-channel audio.
20 SLRCK I/O PCM Word clock (left-right clock) input/output of sub 8-channel
21 IO_VSS21 — I/O digital ground.
22 IO_VDD22 — 3.3V Digital power supply. I/O power supply.
23 to 26 SSDIN[3:0] I/O PCM serial data input of sub-channel audio.
27 EXT_MUTE I External mute control input. Active High.
28 IO_VSS28 — I/O digital ground.
29 IO_VDD29 — 3.3V Digital power supply. I/O power supply.
30 MIC_MCLK O Main clock for external microphone input A/DC.
31 MIC_BCK O PCM bit clock output of external microphone.
32 MIC_LRCK O PCM Word clock (left-right clock) output of external microphone.
33 MIC_SDIN I PCM serial data input of external microphone.
34 DVDD34 — 2.5V Digital power supply. Core power supply.
35 DVSS35 — Core digital ground.
36 PWM_SWL_ O Negative PWM output of subwoofer line output.
37 PWM_SWL_ O Positive PWM output of subwoofer line output.
38 IO_VSS38 — I/O digital ground.
39 IO_VDD39 — 3.3V Digital power supply. I/O power supply.
40 PWM_HP_ O Negative PWM output of headphone right channel.
41 PWM_HP_ O Positive PWM output of headphone right channel.
42 DVDD42 — 2.5V Digital power supply. Core power supply.
43 DVSS43 — Core digital ground.
44 IO_VSS44 — I/O digital ground.
45 PWM_HP_ O Negative PWM output of headphone left channel.
46 PWM_HP_ O
Positive PWM output of headphone left channel.
Negative PWM output of headphone left channel.
47 IO_VDD47 — 3.3V Digital power supply. I/O power supply.
48 PWM1_M O Negative PWM output of channel 1.
49 PWM1_ O Positive PWM output of channel 1.
50 IO_VSS50 — I/O digital ground.
51 PWM2_M O Negative PWM output of channel 2.
52 PWM2_ O Positive PWM output of channel 2.
53 IO_VSS53 — I/O digital ground.