Sony CDX-GT980UI - Page 39

CDX-GT930UI/GT937UI/GT980UI
39
Pin No. Pin Name I/O Description
1 SYS CE I Main chip enable signal input
2 NC O Not used. (Open)
3 VDC0 — Connect to capacitor
4 NC I Not used. (Fixed to “L” for external pull-down resistor.)
5 VDC1 — Connect to capacitor
6 NSD I/O Port pin
7 CNVSS I Port for fl ash write H (write switch) Normally operation: “L”
8, 9 NC O Not used. (Open)
10 RESET I Reset signal input
11 XOUT O Main clock signal output (8 MHz)
12 VSS — Ground pin
13 XIN I Main clock signal input (8 MHz)
14 VCC1 — Power supply pin (+3.3 V)
15 NMI I Non-maskable interruption signal input Fixed to “H” for external pull-up resistor.
16 to 18 NC O Not used. (Open)
19 GCP TA4 IN I Fluorescent indicator tube GCP TA4 signal input
20, 21 NC O Not used. (Open)
22 BK TA3 OUT O Fluorescent indicator tube BK TA3 signal output
23 NC O Not used. (Open)
24 LAT TA2 OUT O Fluorescent indicator tube latch TA2 signal output
25 to 27 NC O Not used. (Open)
28 GCP TA0 OUT O Fluorescent indicator tube GCP TA0 signal output
29 SYS SO O Main serial data signal output
30 SYS SI I Main serial data signal input
31 SYS CLK I Main serial clock signal input
32 BUSY O Busy signal output for fl ash write Normally operation: “L”
33 FL DAT1 O Fluorescent indicator tube serial data signal output 1
34 NC O Not used. (Open)
35 FL CLK IN I Fluorescent indicator tube serial clock signal input
36 to 38 NC O Not used. (Open)
39 HOLD I External data bus (Hold) signal input Fixed to “L” for external pull-down resistor.
40 NC O Not used. (Open)
41 CLKOUT O Main serial clock signal output (for monitor)
42, 43 NC O Not used. (Open)
44 WRI/WR I External data bus (WRI/WR) signal input Fixed to “H” for external pull-up resistor.
45 FL DAT3 O Fluorescent indicator tube serial data signal output
46 NC O Not used. (Open)
47 FL CLK IN I Fluorescent indicator tube serial clock signal input
48 to 59 NC O Not used. (Open)
60 VCC2 — Power supply pin (+3.3 V)
61 NC O Not used. (Open)
62 VSS — Ground pin
63 to 69 NC O Not used. (Open)
70 CLKOUT SEL O Serial clock out select signal output
71 to 76 NC O Not used. (Open)
77 KEY PUSH I Rotary encoder push key detect signal input
78 to 84 NC O Not used. (Open)
85 KEY 1 I Key signal input 1
86 KEY 2 I Key signal input 2
87, 88 NC O Not used. (Open)
89 SIRCS I SIRCS data signal input
90 ILL GREEN O Illumination (green) change control signal output
91 ILL BLUE O Illumination (blue) change control signal output
92 ILL RED O Illumination (red) change control signal output
93 NC O Not used. (Open)
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