Sony CDX-M610 Service Manual page 27

• IC301 HD6432355A26F (DISPLAY CONTROL)
Pin No. Pin Name
1, 2 PG3, 4
3 VSS
4 NC
5 VCC
6 – 9 PC0 – 3
10 VSS
11 – 14 PC4 – 7
15 – 18 PB0 – 3
19 VSS
20 – 23 PB4 – 7
24 – 27 PA0 – 3
28 VSS
29 – 32 PA4 – 7
33 SP-LAT
34 P66
35, 36 VSS
37 P65
38 BUS-ON
39 VCC
40 – 43 SPE-A, B, C, D
44 VSS
45 DSP SEL
46, 47 LED SW1, 2
48 PE7
49 BU-IN
50 LINK-OFF
51 PD2
52 ILL-ON
53 VSS
54 PD4
55 PD5
56 PD6
57 BOOT
58 VCC
59 P30
60 TX/LCD-SO
61 SP-SI
62 RX
63 SP-CLK
64 LCD CLK
65 VSS
66 LCD CE0
67, 68 VSS
69 LCD-INH
70 LCD-CE1
71 P63
72 – 78 P27 – 21
79 FL-W
80 FWE (L)
81 RES
82 NMI (H)
83 ST/SY (H)
I/O
O Not used. (Open)
— Ground
— Not used. (Open)
— Power supply pin (+5 V)
O Not used. (Open)
— Ground
O Not used. (Open)
O Not used. (Open)
— Ground
O Not used. (Open)
O Not used. (Open)
— Ground
O Not used. (Open)
I Spectrum analyzer data latch input
O Not used. (Open)
— Ground
O Not used. (Open)
I BUS ON control input
— Power supply pin (+5 V)
O IC407 (BA3834F) control output
— Ground
I Digital signal processor select input (Fixed at "H" in this set.)
I Operation/display side illumination select control input1, 2
O Not used. (Open)
I Backup power detection input
O LINK OFF output
O Not used. (Open)
O Illumination power control output
— Ground
O Not used. (Open)
O Not used. (Open)
O Not used. (Open)
I Display micon write control input
— Power supply pin (+5 V)
— Not used. (Open)
O LCD driver serial data output/Flash micon write data output
I Digital signal processor IC spectrum analyzer data input
I Flash micon write data input
I Digital signal processor IC spectrum analyzer clock input (Not used.)
O LCD driver serial clock output
— Ground
O LCD driver chip enable output 0
— Ground
O LCD driver inhibit control output
O LCD driver chip enable output 1
O Not used. (Open)
O Not used. (Open)
O Flash write control output (Not used. (Open))
I Flash write enable input (Not used. (Open))
I System reset input
I Non-maskable interruption input
I Hardware standby input
Pin Description
CDX-M610
27