Measurement Computing USB-2627 - Manual (Page 27)

USB-2627 User's Guide Specifications
27
40-pin header connectors (J2, J4, J5)
Table 22. J2 connector pinout
Pin Signal name Pin description Pin Signal name Pin description
1 NC No connection 2 NC No connection
3 NC No connection 4 NC No connection
5 AGND Analog ground 6 AGND Analog ground
7 ACH3 Analog input 3 8 ACH11 Analog input 11
9 ACH2 Analog input 2 10 ACH10 Analog input 10
11 NC No connection 12 NC No connection
13 NC No connection 14 NC No connection
15 ACH1 Analog input 1 16 ACH9 Analog input 9
17 ACH0 Analog input 0 18 ACH8 Analog input 8
19 AGND Analog ground 20 AGND Analog ground
21 NC No connection 22 NC No connection
23 NC No connection 24 NC No connection
25 ACH7 Analog input 7 26 ACH15 Analog input 15
27 ACH6 Analog input 6 28 ACH14 Analog input 14
29 AGND Analog ground 30 NC No connection
31 NC No connection 32 NC No connection
33 NC No connection 34 ACH5 Analog input 5
35 ACH13 Analog input 13 36 ACH4 Analog input 4
37 ACH12 Analog input 12 38 AGND Analog ground
39 AGND Analog ground 40 AGND Analog ground
Table 23. J4 connector pinout
Pin Signal name Pin description Pin Signal name Pin description
1 GND Digital ground 2 XAPCR External analog input scan clock
3 A0 Port A bit 0 4 A4 Port A bit 4
5 A1 Port A bit 1 6 A5 Port A bit 5
7 A2 Port A bit 2 8 A6 Port A bit 6
9 A3 Port A bit 3 10 A7 Port A bit 7
11 GND Digital ground 12 TTLTRG External digital trigger input
13 B0 Port B bit 0 14 B4 Port B bit 4
15 B1 Port B bit 1 16 B5 Port B bit 5
17 B2 Port B bit 2 18 B6 Port B bit 6
19 B3 Port B bit 3 20 B7 Port B bit 7
21 GND Digital ground 22 +VO Power output
23 C0 Port C bit 0 24 C4 Port C bit 4
25 C1 Port C bit 1 26 C5 Port C bit 5
27 C2 Port C bit 2 28 C6 Port C bit 6
29 C3 Port C bit 3 30 C7 Port C bit 7
31 GND Digital ground 32 TMR1 Timer output 1
33 TMR0 Timer output 0 34 CNT1 Counter input 1
35 CNT0 Counter input 0 36 CNT3 Counter input 3
37 CNT2 Counter input 2 38 GND Digital ground
39 GND Digital ground 40 GND Digital ground