Alpine PKG-2000P, Service Manual

Page: 12 / 103

34 P2.3/A1
1m/A3
D I/O Port2.3 0.07
35 P2.2/A1
0m/A2
D I/O Port2.2 3.29
36 P2.1/A9
m/A1
D I/O Port2.1 0.05
37 P2.0/A8
m/A0
D I/O Bit 8 External Memory Address
bus/Bit0 External Memory Address
bus/Port2.0
3.29
38 P3.7/AD
7/D7
A In D
I/O Port3.7 / ADC0 Input 0.05
39 P3.6/AD
6/D6
A In D
I/O Port3.6 /ADC0 Input 0.21
40 DGND GND Digital Ground .Must be tied to Ground 0
41 VDD PI Digital Supply Voltage. Must be tied to
+2.7V to +3.6V 3.31
42 P3.5/AD
5/D5
A In D
I/O Port3.5/ ADC0 Input 0.07
43 P3.4/AD
4/D4
A In D
I/O Port3.4/ ADC0 Input 0.33
44 P3.3/AD
3/D3
A In D
I/O Port3.3/ ADC0 Input 0.88
45 P3.2/AD
2/D2
A In D
I/O Port3.2/ ADC0 Input 3.30
46 P3.1/AD
1/D1
A In D
I/O Port3.1 /ADC0 Input 0.05
47 P3.0/AD
0/D0
A In D
I/O Bit0 External Memory Address
/DataBus Bit0 External Memory Data
bus/Port3.0/ADC Input 3.31
48 P0.7/W
R
D I/O /WR Strobe for External Memory
Address bus Port0.7
3.31
49 P0.6/RD D I/O /RD Strobe for External Memory
Address bus Port0.6
3.30
50 P0.5/AL
E
D I/O ALE Strobe for External Memory
Address Bus
3.31
51 P0.4 D I/O Port0.4 0.16
52 P0.3 D I/O Port0.3 3.29
53 P0.2 D I/O Port0.2 5.34
54 P0.1 D I/O Port0.1 3.26
55 P0.0 D I/O Port0.0 3.26
56 DGND GND Digital Ground .Must be tied to Ground 0
57 VDD PI Digital Supply Voltage. Must be tied to
+2.7V to +3.6V 3.31
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