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3.Pin function
Symbol
Pin No.
1~2
P12_0~P12~2
INT2/P12_2
3
4
INT3/P12_3
P12_4~P12_7
5~8
9
V
DD
(V
) V
10
DD
REF
11
(GND) AGND
12~15
(TEST0) AI0~AI3
16
GND
17
VDD
18
EIMOK/P4_0
19~25
P4_1~P4_7
26~33
P8_0~P8_7
34
RES
35
NMI
36
EA
37
V
DD
38
OSO0
39
OSC1
40
GND
41~43
P7_5~P7_7
44
PWN0/P7_4
45
CLKOUT/P7_3
46
WAIT/P7_2
47
RD/P7_1
48
WR/P7_0
49
P5_4PSEN/P5_4
50
ALE/P5_5
51~58
P0_0~7/AD0~AD7
59~66
P1_0~7/A8~A15
67
V
DD
68
GND
69~72
P9_0~3/A16~A19
73~76
P9_4~P9_7
77~80
P2_0~P2_3
81
P2_4/RT08
82
P2_5/RT09
83~84
P2_6~P2_7
85~92
P10_1~P10_7
93
V
DD
94
GND
95~96
P6_0~1/INT0~1
97
P6_2/RXD1
98
P6_3/TXD1
99
P6_4/TXD1
100
P6_5/RXC1
I/O
I/O
Input or output can be specified for each bit with the port 12 Mode Register
Input or output can be specified for each bit with the port 12 Mode Register
I/O
I/O
Input or output can be specified for each bit with the port 12 Mode Register
Input or output can be specified for each bit with the port 12 Mode Register
I/O
I
Power supply +5V
This is the reference voltage pin for the A/D converter (VDD for MSM66585).
I
This is the ground input pin for the A/D converter (GND for MSM66585).
I
I
These are analog input pins for the A/D converter (test pins for MSM66585).
Connect to GND
I
I
Power supply +5V
Input or output can be specified for each bit with the port 4 Mode Register
I
Input or output can be specified for each bit with the port 4 Mode Register
I
Input or output can be specified for each bit with the port 8 Mode Register
I
This is an active-low reset input pin.
I
This input pin requests a non-maskable interrupt.
I
When this pin is low, all program addresses will access external program memory.
I
Power supply +5V
I
This pins connect to a crystal oscillator.
I
This pins connect to a crystal oscillator.
O
Connect to GND
I
Input or output can be specified for each bit with the port 7 Mode Register
I/O
Input or output can be specified for each bit with the port 7 Mode Register
I/O
Input or output can be specified for each bit with the port 7 Mode Register
I/O
Input or output can be specified for each bit with the port 7 Mode Register
I/O
Input or output can be specified for each bit with the port 7 Mode Register
I/O
Input or output can be specified for each bit with the port 7 Mode Register
I/O
Input or output can be specified for each bit with the port 5 Mode Register
I/O
Input or output can be specified for each bit with the port 5 Mode Register
I/O
Input or output can be specified for each bit with the port 0 Mode Register
I/O
Input or output can be specified for each bit with the port 1 Mode Register
I/O
Power supply +5V
I
Connect to GND
I
Input or output can be specified for each bit with the port 9 Mode Register
I/O
Input or output can be specified for each bit with the port 9 Mode Register
I/O
Input or output can be specified for each bit with the port 2 Mode Register
I/O
Input or output can be specified for each bit with the port 2 Mode Register
I/O
Input or output can be specified for each bit with the port 2 Mode Register
I/O
Input or output can be specified for each bit with the port 2 Mode Register
I/O
Input or output can be specified for each bit with the port 10 Mode Register
I/O
Power supply +5V
I
Connect to GND
I
Input or output can be specified for each bit with the port 6 Mode Register
I/O
Input or output can be specified for each bit with the port 6 Mode Register
I/O
Input or output can be specified for each bit with the port 6 Mode Register
I/O
Input or output can be specified for each bit with the port 6 Mode Register
I/O
Input or output can be specified for each bit with the port 6 Mode Register
I/O
Function
MX-G68V/MX-G65V
MSM66587
1-47
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