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MP36/35/45
| Page 6 - 11
Updated: 12.23.2013
MP Unit Pin-outs
Electrode Check — MP36/35 Front
9-PIN FEMALE DSUB
Pin
2 Vin+
Electrode
connection
3 GND
4 Vin-
Electrode
connection
MP Input — Front
CH 1, CH 2, CH 3, CH 4
9 PIN FEMALE DSUB
(1 of 4 for MP36/35 or 1 of 2 for MP45)
Pin
MP36 and MP35 or MP45
1
Shield drive
Shield drive
2 Vin+
Vin+
3 GND
GND
4 Vin
Vin
5
Shield drive
Shield drive
6
+5 V (100 mA max aggregate)
+5 V (50 mA max)
7
ID resistor lead 1; I2C SCL ID resistor lead 1 (+5 V)
8
ID resistor lead 2; I2C SDA
ID resistor lead 2
9
5 V (100 mA max aggregate)
5 V (50 mA max)
MP Analog Output — MP36/35 Back
9 PIN MALE DSUB
Pin MP36 and MP35
1
Buffered analog or pulse output
A.C. coupled (1,000 uF)
Analog range: +/- 2.048 V
Pulse range: 0 to 2.048 V
2
MP36 Low voltage stimulator
MP35 Pulse or CH data
Buffered, D.C. coupled
Z out = 50
Ω
Range: MP36 -10 V to +10 V
MP35 0 V to +4.096 V
3 GND
4
+5 V (100mA max.)
5 Buffered
pulse
output
Z out = 1 k
Ω
Range: 0 to 5 V
6
+12 V (100 mA max)
7
I2C SCL – Do not connect
8 I2C
SDA
9
Monitor – Do not connect
Connector — Back
MP36/35
Pin
MP36 or MP35
1 +5
N/C
2 -Data
clock
3 Data
+
RX+
4 GND
Ground
5 n/a
TX-
6 n/a
RX-
7 n/a
N/C
8 n/a
TX+
MP UNIT PIN OUTS continued
I/O Port — MP36 or MP35 Back
DSUB 25 (male)
Note:
BSL v 3.7.0 does not support
Pins 7, 9, 18, 19, 20 and 21.
†
Digital Input are 0-5 V with 100 K ohm
pullups to 5 V on board
Pin
MP36 or MP35 only
1
Digital Output 1 0-5 V 8 ma
14
Digital Output 5
2
Digital Output 2 0-5 V 8 ma
15
Digital Output 6
3
Digital Output 3 0-5 V 8 ma
16
Digital Output 7
4
Digital Output 4 0-5 V 8 ma
17
Digital Output 8
5
GND Unisolated
18
Analog Input, Right
6
GND Unisolated
1 VRMS, centered at 0 V
7 RS-232-RX
19
Analog
Input,
Left
8
+5 V Unisolated/fused
1 VRMS, centered at 0 V
9
I2C-SDA 3.3. V
20
RS-232-TX 0-5 V
10
Digital Input 1† 0-5 V
21
I2C-SCL 3.3 V
11
Digital Input 2† 0-5 V
22
Digital Input 5
12
Digital Input 3† 0-5 V
23
Digital Input 6
13
Digital Input 4† 0-5 V
24
Digital Input 7
25
Digital
Input
8
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