AdvanPOS WP-T800 - Parallel (Centronics) Interface Details

WP-T800 1 Station Thermal Line Printer
- 19 -
BUSY
ACK-
DATA
STROBE-
0.5 us(Min.)
5 us (Tpy.)
256
bytes
Remainder
256 bytes
Empty Near empty Near full Full
8K bytes
Buffer near empty release "BUSY"
RECEIVE
BUFFER
6.3 Parallel interface specifications
6.3.1 Specifications (Conform to Centronics)
Data transmission format
: 8-bit parallel
Synchronizing system : According to the strobe pulses
Handshaking : According to the BUSY signal
Signal level : TTL level
6.3.2 Pin assignment
No. Signal Name No. Signal Name
1 STB- 19-30 TWISTED PAIR GND
2-9 DATA 1 – DATA 8 31 RESET-
10 ACK- 32 FAULT-
11 BUSY 33 GND
12 PE 34-36 NC
13-15 NC
16 GND
17 F.G.
18 NC
6.3.3 Timing Chart