USB-2533 User's Guide
Specifications
48
J7
Table 21. 40-pin header connector pin out (J7 on the board)
Pin
Function
Pin
Function
1 GND
2 XAPCR
3 A0
4 A4
5 A1
6 A5
7 A2
8
A6
9
A3
10
A7
11 GND
12
TTL
TRG
13
B0
14
B4
15
B1
16
B5
17
B2
18
B6
19
B3
20
B7
21
GND
22
+5 V (see
23
C0
24
C4
25
C1
26
C5
27
C2
28
C6
29
C3
30
C7
31
GND
32
TMR1
33
TMR0
34
CNT1
35
CNT0
36
CNT3
37 CNT2
38 GND
39
GND
40
GND
J8
Table 22. 40-pin header connector pin out (J8 on the board)
Pin
Function
Pin
Function
1
+13 V (see
2
-13 V (see
3 NC
4 NC
5 AGND
6 AGND
7 NC
8
NC
9
NC
10
NC
11 AGND
12
AGND
13
SelfCal
14
SGND (low level sense - not for general use)
15
AGND
16
AGND
17
TTL TRG
18
XDPCR
19
XAPCR
20
GND (digital)
21
GND (digital)
22
GND (digital)
23
NC
24
NC
25
+5 V (see
26
AUX PWR (output - reserved)
27
NC
28
NC
29
NC
30
NC
31
NC
32
NC
33
NC
34
NC
35
NC
36
NC
37 NC
38 NC
39
NC
40
NC
Note 9:
5 V output, ±20% tolerance, 2mA USB powered, 10mA using external power.
Note 10:
±13 V outputs, ±10% tolerance, 1 mA USB powered, 5 mA using external power.
Summary of Contents for USB-2533
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