MSDxx Manual v30

Cc-Smart Technology Co., Ltd
General information
Driver Control Signal ( Not For MSD_E3)
No Name Description I/O 8 Pins Header In Driver
1 BT1 Test* Short Touch to GND to Test
Function
I
2 BT2 Set* Short Touch to GND to Set
Function
I
3 TX UART TX Pin O
4 RX UART RX Pin I
5 Analog(**) Range [0-3V3] I
6 Dir Direction of Motor I
7 Pul Pulse in put (Active Edge
Negative)
I
8 GND Ground O
(*) BT1, BT2 are two Pins Witch are connected Button Test and Button Set. So they will
work as Button Test and Button Set.
(**) The maximum effect value is 3V3.
Driver Control Signal For MSD_E3
No Name Description I/O 4 Pins Header In Driver
1 TX/Pul/An
a
 TX in UART Mode
 Pulse In Pulse/Dir Mode
 Analog in Analog Mode
I/O
2 RX/Dir  RX in UART Mode
 Dir in Pulse/Dir Mode or
Analog Mode
I
3 5V +5V, 200mA Power Supply Out-
Put
O
4 GND Ground O
Encoder Connection
No Name Description I/O
1 GND Ground O
2 VCC +5V, 200mA Power Supply Out-Put O
3 A/CHA Encoder Signal Chanel A I
4 B/CHB Encoder Signal Chanel B I
Home Sensor Detect
No Name Description I/O
1 RIGHT/+ Detect Right Touch (Active ==0) I
2 LEFT/- Detect Left Touch (Active ==0) I