Sundance SMT148 User Manual
Page 9

Version 1.4
Page 9 of 35
SMT148 User Manual
The external ComPort_1 is accessible on a 26 Way connector (3M), which cable
and download application from a
PC. This connector has the following pin-out.
1 CSTRB 2 GND
3 CRDY 4 GND
5 CREQ 6 GND
7 CACK 8 GND
9 D0 10 D1
11 D2 12 D3
13 D4 14 D5
15 D6 16 D7
17 3.3V 18 GND
19 /RESETOUT 20
GND
21 /RESETIN 22
GND
23 NC 24 NC
Table 2 : External ComPort_1 pinout
External Comports 2, 3, 4 and 5 are routed to two SHB connectors (
Samtec QSH-
030-01
) to allow connection to another SMT148 carrier and its ComPorts. The pin-out
is as follow:
1 CSTRB_CP2 2 CRDY_CP2 3
CREQ_CP2
4
CACK_CP2
5
D0__CP2
6
D1_CP2
7
D2_CP2
8
D3_CP2
9
D4__CP2
10
D5_CP2
11
D6_CP2
12
D7_CP2
13
NC
14
NC
15 CSTRB_CP3 16 CRDY_CP3
17
CREQ_CP3
18
CACK_CP3
19
D0__CP3
20
D1_CP3
21
D2_CP3
22
D3_CP3
23
D4_CP3
24
D5_CP3
25
D6_CP3
26
D7_CP3
27
NC
28
NC
29
CSTRB_CP4
30
CRDY_CP4
31
CREQ_CP4
32
CACK_CP4
33
D0_CP4
34
D1_CP4
35
D2_CP4
36
D3_CP4
37
D4_CP4
38
D5_CP4
39
D6_CP4
40
D7_CP4
41
NC
42
NC
43
CSTRB_CP5
44
CRDY_CP5
45
CREQ_CP5
46
CACK_CP5
47
D0_CP5
48
D1_CP5
49
D2_CP5
50
D3_CP5
51
D4_CP5
52
D5_CP5
53
D6_CP5
54
D7_CP5
55
NC
56
NC
57
NC
58
NC
59
NC
60
RESET
Table 3 : External ComPorts 2-5 pinout