User Manual
USB-1208FS-Plus User's Guide Specifications
26
Differential mode pinout
Table 22. 4-channel differential mode pinout
Pin
Signal name
Pin description
Pin
Signal name
Pin description
1 CH0 IN HI Analog input 0+ 21 Port A0 Port A bit 0
2
CH0 IN LO
Analog input 0–
22
Port A1
Port A bit 1
3
AGND
Analog ground
23
Port A2
Port A bit 2
4
CH1 IN HI
Analog input 1+
24
Port A3
Port A bit 3
5
CH1 IN LO
Analog input 1–
25
Port A4
Port A bit 4
6
AGND
Analog ground
26
Port A5
Port A bit 5
7
CH2 IN HI
Analog input 2+
27
Port A6
Port A bit 6
8
CH2 IN LO
Analog input 2–
28
Port A7
Port A bit 7
9
AGND
Analog ground
29
GND
Ground
10 CH3 IN HI Analog input 3+ 30 +VO Power output
11
CH3 IN LO
Analog input 3–
31
GND
Ground
12 AGND Analog ground 32 Port B0 Port B bit 0
13
D/A OUT 0
Analog output 0
33
Port B1
Port B bit 1
14
D/A OUT 1
Analog output 1
34
Port B2
Port B bit 2
15
AGND
Analog ground
35
Port B3
Port B bit 3
16
Reserved
Reserved for future use
36
Port B4
Port B bit 4
17
GND
Ground
37
Port B5
Port B bit 5
18
TRIG_IN
Trigger input
38
Port B6
Port B bit 6
19 SYNC Synchronization I/O 39 Port B7 Port B bit 7
20
CTR
Counter input
40
GND
Ground
Single-ended mode pinout
Table 23. 8-channel single-ended mode pinout
Pin
Signal name
Pin description
Pin
Signal name
Pin description
1
CH0 IN
Analog input 0
21
Port A0
Port A bit 0
2
CH1 IN
Analog input 1
22
Port A1
Port A bit 1
3
AGND
Analog ground
23
Port A2
Port A bit 2
4
CH2 IN
Analog input 2
24
Port A3
Port A bit 3
5
CH3 IN
Analog input 3
25
Port A4
Port A bit 4
6 AGND Analog ground 26 Port A5 Port A bit 5
7
CH4 IN
Analog input 4
27
Port A6
Port A bit 6
8 CH5 IN Analog input 5 28 Port A7 Port A bit 7
9
AGND
Analog ground
29
GND
Ground
10
CH6 IN
Analog input 6
30
+VO
Power output
11
CH7 IN
Analog input 7
31
GND
Ground
12
AGND
Analog ground
32
Port B0
Port B bit 0
13
D/A OUT 0
Analog output 0
33
Port B1
Port B bit 1
14
D/A OUT 1
Analog output 1
34
Port B2
Port B bit 2
15 AGND Analog ground 35 Port B3 Port B bit 3
16
Reserved
Reserved for future use
36
Port B4
Port B bit 4
17 GND Ground 37 Port B5 Port B bit 5
18
TRIG_IN
Trigger input
38
Port B6
Port B bit 6
19
SYNC
Synchronization I/O
39
Port B7
Port B bit 7
20
CTR
Counter input
40
GND
Ground