Sony STR-KM2, Руководство по обслуживанию

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STR-KM2/KM3
54
DIGITAL AUDIO BOARD (1/4) IC2801 ADSST-AVR-3025 (DSP)
Pin No. Pin Name I/O Description
1 SDDQM O DQM data mask
2 MS0 O Memory select line 0
3 SDCKE O SDRAM clock enable
4 V
DD_INT
- Power supply pin (+1.2 V)
5 CLK_CFG1 I Clock frequency setting signal input 1 (Fixed at H)
6 ADDR0 I/O External address
7 BOOT_CFG0 I Boot mode setting signal input 0 for DASP IC (Fixed at H)
8 V
DD_EX
- Power supply pin (+3.3 V)
9 ADDR1 I/O External address
10 ADDR2 I/O External address
11 ADDR3 I/O External address
12 ADDR4 I/O External address
13 ADDR5 I/O External address
14 BOOT_CFG1 I Boot mode setting signal input 1 for DASP IC (Fixed at H)
15 GND - Ground
16 ADDR6 I/O External address
17 ADDR7 I/O External address
18 NC - Not Used
19 NC - Not Used
20 ADDR8 I/O External address
21 ADDR9 I/O External address
22 CLK_CFG0 I Clock frequency setting signal input 0 (Fixed at L)
23 V
DD_INT
- Power supply pin (+1.2 V)
24 CLKIN I System clock input (25 MHz)
25 XTAL2 O System clock output (25 MHz)
26 ADDR10 I/O External address
27 SDA10 O SDRAM A 10 pin
28 V
DD_EXT
- Power supply pin (+3.3 V)
29 V
DD_INT
- Power supply pin (+1.2 V)
30 ADDR11 I/O External address
31 ADDR12 I/O External address
32 ADDR17 I/O External address
33 ADDR13 I/O External address
34 V
DD_INT
- Power supply pin (+1.2 V)
35 ADDR18 I/O External address
36 RESETOUT/RUNRSTIN I/O Reset out/Running reset in
37 V
DD_INT
- Power supply pin (+1.2 V)
38 MOSI I/O Digital peripheral interface
39 MISO I/O Digital peripheral interface
40 SPICLK I/O Digital peripheral interface
41 V
DD_INT
- Power supply pin (+1.2 V)
42 DPI_P05 I/O Digital peripheral interface
43 DSP_CS I/O Digital peripheral interface
44 MD I/O Digital peripheral interface
45 V
DD_EXT
- Power supply pin (+3.3 V)
46 NC I/O Digital peripheral interface
47 RESET_MAIN I/O Digital peripheral interface
48 V
DD_INT
- Power supply pin (+1.2 V)
49 UART_OUT I/O Digital peripheral interface
50 UART_IN I/O Digital peripheral interface
51 LED I/O Digital peripheral interface
52 NC I/O Digital peripheral interface
53 NC I/O Digital peripheral interface
54 NC I/O Digital peripheral interface
55 NC I/O Digital applications interface