30
CDX-M610
• IC301 HD6432355A26F (DISPLAY CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1, 2
PG3, 4
O
Not used. (Open)
3
VSS
—
Ground
4
NC
—
Not used. (Open)
5
VCC
—
Power supply pin (+5 V)
6 – 9
PC0 – 3
O
Not used. (Open)
10
VSS
—
Ground
11 – 14
PC4 – 7
O
Not used. (Open)
15 – 18
PB0 – 3
O
Not used. (Open)
19
VSS
—
Ground
20 – 23
PB4 – 7
O
Not used. (Open)
24 – 27
PA0 – 3
O
Not used. (Open)
28
VSS
—
Ground
29 – 32
PA4 – 7
O
Not used. (Open)
33
SP-LAT
I
Spectrum analyzer data latch input
34
P66
O
Not used. (Open)
35, 36
VSS
—
Ground
37
P65
O
Not used. (Open)
38
BUS-ON
I
BUS ON control input
39
VCC
—
Power supply pin (+5 V)
40 – 43
SPE-A, B, C, D
O
IC407 (BA3834F) control output
44
VSS
—
Ground
45
DSP SEL
I
Digital signal processor select input (Fixed at “H” in this set.)
46, 47
LED SW1, 2
I
Operation/display side illumination select control input1, 2
48
PE7
O
Not used. (Open)
49
BU-IN
I
Backup power detection input
50
LINK-OFF
O
LINK OFF output
51
PD2
O
Not used. (Open)
52
ILL-ON
O
Illumination power control output
53
VSS
—
Ground
54
PD4
O
Not used. (Open)
55
PD5
O
Not used. (Open)
56
PD6
O
Not used. (Open)
57
BOOT
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
69
LCD-INH
O
LCD driver inhibit control output
70
LCD-CE1
O
LCD driver chip enable output 1
71
P63
O
Not used. (Open)
72 – 78
P27 – 21
O
Not used. (Open)
79
FL-W
O
Flash write control output (Not used. (Open))
80
FWE (L)
I
Flash write enable input (Not used. (Open))
81
RES
I
System reset input
82
NMI (H)
I
Non-maskable interruption input
83
ST/SY (H)
I
Hardware standby input
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