Sony CDX-CA850X - Page 21

21
CDX-CA850/CA850X/CA860X
• IC701 HD6432355A35F (SUB SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 PG3 O Spectrum analyzer clock output
2 PG4 O Not used (open)
3 VSS — Ground pin
4 NC — Not used (open)
5 VCC — Power supply pin
6 – 9 PC0 – PC3 O Not used (open)
10 VSS — Ground pin
11 – 14 PC4 – PC7 O Not used (open)
15 – 18 PB0 – PB3 O Not used (open)
19 VSS — Ground pin
20 – 23 PB4 – PB7 O Not used (open)
24 – 27 PA0 – PA3 O Not used (open)
28 VSS — Ground pin
29 – 32 PA4 – PA7 O Not used (open)
33 SP LAT(PWON) I Spectrum analyzer latch input
34 BU IN I Back-up power detection input
35 VSS — Ground pin
36 VSS — Ground pin
37 P65 O Not used (open)
38 BUS ON I Bus on control signal
39 VCC — Power supply pin
40 – 43 PE0 – PE3 O Not used (open)
44 VSS — Ground pin
45 – 48 PE4 – PE7 O Not used (open)
49 PD0 O Not used (open)
50 LINK OFF O Bus interface link off control signal
51 PD2 O Not used (open)
52 ILL-ON O Illumination on/off switch signal output
53 VSS — Ground pin
54 – 56 PD4 – PD6 O Not used (open)
57 BOOT I Flash write-in mode detection input
58 VCC — Power supply pin
59 NC — Not used (open)
60 TX/LCD DATA O Flash write-in data/LCD driver data output
61 SP SI O Not used (open)
62 RX I Flash write-in data input
63 L RST O Reset signal for SIRCS inveter
64 LCD SCK O LCD driver clock output
65 VSS — Ground pin
66 LCD CE1 O LCD driver chip enable output
67 VSS — Ground pin
68 VSS — Ground pin
69 LCD INH1 O Not used (open)
70 LCD CE2 O Not used (open)
71 LCD INH2 O Not used (open)
72 – 78 P27 – P21 O Not used (open)
79 P20 O Flash write-in control signal
80 FWE L I Flash write-in enable input
81 RES I Reset signal
82 NMI I Non maskable interrupt signal
83 STBY Standby mode signal
84 VCC — Power supply pin