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Chapter 5
Signal Connections
7344 Hardware User Manual
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Figure 5-7. 68-Pin Digital I/O Connector Pin Assignments
The 32-bit digital I/O port is configured in hardware as four 8-bit digital I/O
ports. The bits in a port are typically controlled and read with byte-wide
bitmapped commands.
1
35
+5 V
PCLK
2
36
Reserved
3
37
4
38
Reserved
5
39
PWM1
Reserved
6
40
Reserved
7
41
Reserved
8
42
PWM2
9
43
Port 1:bit 0
10 44
11 45
Port 1:bit 3
12 46
13 47
Port 1:bit 4
14 48
Port 1:bit 7
15 49
16 50
Port 2:bit 0
Port 2:bit 1
17 51
18 52
19 53
20 54
Port 2:bit 6
21 55
Port 2:bit 7
22 56
Port 3:bit 0
23 57
24 58
Port 3:bit 3
25 59
Port 3:bit 4
26 60
27 61
Port 3:bit 7
28 62
Port 4:bit 0
29 63
30 64
Port 4:bit 3
31 65
Port 4:bit 4
32 66
33 67
Port 4:bit 7
34 68
5-14
Digital Ground
Digital Ground
Digital Ground
DPull
Digital Ground
Reserved
Digital Ground
Digital Ground
Digital Ground
Port 1:bit 1
Port 1:bit 2
Digital Ground
Port 1:bit 5
Port 1:bit 6
Digital Ground
Digital Ground
Port 2:bit 2
Port 2:bit 3
Port 2:bit 4
Port 2:bit 5
Digital Ground
Digital Ground
Port 3:bit 1
Port 3:bit 2
Digital Ground
Port 3:bit 5
Port 3:bit 6
Digital Ground
Port 4:bit 1
Port 4:bit 2
Digital Ground
Port 4:bit 5
Port 4:bit 6
Digital Ground
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