BTP-M170 User’s Manual
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6 Interface Signal
6.1 Parallel Interface
The parallel interface is unidirectional which supports BUSY/ACK handshaking protocol. Its
connector is DB25 needle type.
Pin
Signal definition
PIN1 nStrobe
PIN 2
Data 0(LSB)
PIN 3
Data 1
PIN 4
Data 2
PIN 5
Data 3
PIN 6
Data 4
PIN 7
Data 5
PIN 8
Data 6
PIN 9
Data 7 (MSB)
PIN 10
Ack
PIN 11
Busy
PIN 12
PError
PIN 13
Select
PIN 14
NC
PIN 15
nFault
PIN 16
Rise to 5V via a resistance
PIN 17
Rise to 5V via a resistance
PIN 18
~
25
Logical ground
6.2 Serial Interface
The serial interface is RS-232 compatible and its connector is 25pin female D type.
PIN No.
Signal definition
PIN1 Frame
Ground
PIN2 TXD
PIN 3
RXD
PIN 4
RTS
PIN 5~6
NC
PIN 7
Signal Ground
PIN 8~19
NC
PIN 20
DTR
PIN 21~25
NC
User may check the current setting status of the interface by printing a configuration table.
The default setting is as follows:
Baud rate:
9600bps
Data bit:
8
Parity bit:
None
Stop bit:
1
Handshaking: DTR/DSR