Ic Pin Function Descriptions - Sony HAR-D1000 Service Manual

HAR-D1000

6-22. IC PIN FUNCTION DESCRIPTIONS

• IC700 M30624FGAFP-B55F (UART TO IIC CONVERT) (MAIN BOARD)
Pin No. Pin Name
1 O_CD-DATA
2 O_CD-CLK
3 O_XLT
4 I_SIRCS
5 A1IN
6 I_SQ-DATA
7 O_SQ-CLK
8 BYTE
9 CNVss
10 CLOCK_IN
11 CLOCK_OUT
12 RESET
13 X-OUT
14 Vss
15 X-IN
16 Vcc
17 NMI
18 I_P_DOWN
19 I_SCOR
20 KB_CLK
21 KB_DATA
22 KB_CTL
23 I_SENS
24 O_LINE_MUTE
25 O_LDON
26 A1OUT
27 O_DAC_MUTE
28 STBY_PULSE
29 IIC-CLK
30 IIC-DATA
31 TxD1
32 RxD1
33 CLK1
34 RTS1
35 TxD
36 RxD
37 O_FLCLK
38 RTS
39 CTS
40 (O_FLBUSY)
41 PULLDOWN
42 0_1_4
43 0_1_2
44 (0_8_12)
45 0_SPNDL_MUTE
46 PULLUP
47 NC
48 NC
49 NC
50 NC
44
I/O
— Not used
— Not used
— Not used
— Not used
I Input terminal of Control A1
— Not used
— Not used
I Data bus switching (Fixed at Low)
I Ground (flash write)
— Not used
— Not used
I System reset (flash write)
O Main clock signal output (10KHz)
I Ground (flash write)
I Main clock signal input (10KHz)
O Power supply (+3.3V)
I Not used Note: No pullup by software
— Not used
— Not used
I Input signal of HD_P_DOWN
— Not used
— Not used
— Not used
— Not used
— Not used
O Output terminal of Control A1
— Not used
— Not used
O IIC Communication clock (Open-drain)
O IIC Communication data (Open-drain)
O Data output terminal for FLASH
I Data Input terminal for FLASH
O Clock transfer for FLASH
O Request to send for FLASH
O UART output terminal to HD mechanism
I UART input terminal from HD mechanism
— Not used
O Output terminal of UART data receive identification to HD mechanism
I Input terminal of UART data receive identification to HD mechanism
— Not used
I Pulldown
— Not used
— Not used
— Not used
— Not used
I Pullup
— Not used
— Not used
— Not used
— Not used
Description