Measurement Computing BTH-1208LS-OEM - Manual (Page 13)

BTH-1208LS-OEM User's Guide Functional Details
13
Connector J1
Header connector J1 provides connections for the analog inputs, analog outputs, and analog ground reference.
Refer to Figure 5 on page 17 for the location and orientation of J1.
Four-channel differential mode
Pin Signal name Pin description Pin Signal name Pin description
1 CH0H Analog input 0 HI 2 AGND Analog ground
3 CH0L Analog input 0 LO 4 AGND Analog ground
5 CH1H Analog input 1 HI 6 AGND Analog ground
7 CH1L Analog input 1 LO 8 AGND Analog ground
9 CH2H Analog input 2 HI 10 AGND Analog ground
11 CH2L Analog input 2 LO 12 AGND Analog ground
13 CH3H Analog input 3 HI 14 AOUT0 Analog output 0
15 CH3L Analog input 3 LO 16 AOUT1 Analog output 1
Eight-channel single-ended mode
Pin Signal name Pin description Pin Signal name Pin description
1 CH0 IN Analog input 0 2 AGND Analog ground
3 CH1 IN Analog input 1 4 AGND Analog ground
5 CH2 IN Analog input 2 6 AGND Analog ground
7 CH3 IN Analog input 3 8 AGND Analog ground
9 CH4 IN Analog input 4 10 AGND Analog ground
11 CH5 IN Analog input 5 12 AGND Analog ground
13 CH6 IN Analog input 6 14 AOUT0 Analog output 0
15 CH7 IN Analog input 7 16 AOUT1 Analog output 1
Connector J2
Header connector J2 provides connections for the DIO, external clock input, trigger, counter, power output, and
digital ground reference. Refer to Figure 5 on page 17 for the location and orientation of J2.
Pin Signal name Pin description Pin Signal name Pin description
1 DIO0 Digital input/output 0 2 GND Digital ground
3 DIO1 Digital input/output 1 4 CTR Counter input
5 DIO2 Digital input/output 2 6 TRIG_IN Digital trigger input
7 DIO3 Digital input/output 3 8 AICKI Pacer input
9 DIO4 Digital input/output 4 10 GND Digital ground
11 DIO5 Digital input/output 5 12 +VO 3.3V output
13 DIO6 Digital input/output 6 14 GND Digital ground
15 DIO7 Digital input/output 7 16 GND Digital ground
Connector J3
Header connector J3 provides connections for bulkhead signals. Refer to Figure 5 on page 17 for the location
and orientation of J3.
Pin Signal name Pin description Pin Signal name Pin description
1 BATT+ Battery input positive
(2 AA/AAA cells) 2 BATT– Battery input negative
3 BATT_MID Battery center tap 4 GND Ground
5 THERMISTOR+ 10 k
Ω thermistor positive
(battery temperature sensing)
6 THERMISTOR– 10 k
Ω thermistor negative
7 PWR SW+ SPST contact 1 (power switch) 8 PWR SW – SPST contact 2
9 PAIRING SW+ Momentary contact 1 (pairing /
soft power switch) 10 PAIRING SW– Momentary contact 2
11 LED1+ LED1 anode 12 LED1 – LED1 cathode
13 LED2+ LED2 anode 14 LED2 – LED2 cathode
15 Vbus USB 5V supply (charging LED
anode) 16 CHARGE LED – Charging LED cathode