31
STR-K670P
• IC Pin Function Description
DIGITAL BOARD IC1101 MB90488BPF-G-137E1 (SYSTEM CONTROL)
Pin No. Pin Name I/O Description
1DATAO I Audio data signal input from DIR
2GP9 I GP9 signal input from DSP
3 BST O BST signal output to DSP
4 HCS O HCS signal output to DSP
5HACNIHACN signal input from DSP
6 XRST O Reset signal output to DSP
7PMOPM signal output to DSP
8 GP12 O GP12 signal output to DSP
9 PCM1800RST O IC reset signal output to ADC
10 PCM1608RST O IC reset signal output to DAC
11 VSS — Ground terminal
12 PCM1608ML O Latch signal output to DAC
13 PCM1608MC O Clock signal output to DAC
14 PCM1608MDI O IC data output to DAC
15 PCM1608MDO I IC data input to DAC
16 T_CLK O Tuner clock signal output terminal
17 T_DI O Tuner data signal output terminal
18 HDOUT I HDOUT signal input from DSP
19 HDIN O HDIN signal output to DSP
20 HCLK O Clock signal output to DSP
21 DLY_B PASS — Connected to ground terminal
22 DIR/AD — Connected to ground terminal
23 VCC5 — Power supply
24 SYS_MUTE O Muting and error signal output
25 ANA/DIG O Analog signal or digital signal output terminal
26 UPCON_RST — Not used
27 FLASH2/VOL_CL O Volume IC clock signal output terminal
28 FLASH1/VOL_DA O Volume IC data and latch signal output terminal
29 SDA I EEPROM data signal input terminal
30 SCL O EEPROM clock signal output terminal
31 ENC_A — Short to ground terminal
32 ENC_B — Short to ground terminal
33 UPCON — Not used
34 UPCON_CLK — Not used
35 AVCC — Analog power supply
36 AVRH I Analog reference voltage input
37 AVSS — Analog ground terminal
38 A/D0 I Function key push signal input
39 A/D1 I Function key push signal input
40 A/D2 I Function key push signal input
41 VERSION I Version setting input terminal (DESTINATION)
42 VSS — Ground terminal
43 RDS SIG I RDS signal detect input
44 MODEL I Version setting input (MODEL)
45 VOL ENCODER (A) I Volume signal input from rotary encoder
46 VOL ENCODER (B) I Volume signal input from rotary encoder
47 BLUE LED — Not used
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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