BP-003 User's Manual
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9 DATA8
IN
10 /ACK
OUT
Acknowledge signal, Low level means that printer is
ready to receive data.
11
BUSY
OUT
High level means printer is too busy to receive data
12
PE
OUT
High level means that paper is out.
13
SEL
OUT
High level with the pull-up resistance
32
/ERR
OUT
Low level means the printer is in error state
14, 15, 17, 18, 34, 36
NC ---
NC
16, 19
～
30, 33
GND
---
GND, “0” level in logic
Relative pin specification is shown as Figure 5-3.
5.2.3 USB Interface
USB interface is 2.0 Full-Speed version.
Contact Number
Signal Name
Typical Wiring Assignment
1 VBUS
Red
2 D-
White
3 D+
Green
4 GND
Black
5.2.4 Serial Interface
BP-003 printer’s serial interface is compatible with RS-232C protocol, supporting RTS/CTS and
XON/XOFF handshaking protocol. Its connector is a DB-9 type connector and each pin’s assignments
are shown as below.
BUSY
/ACK
DATA
/STB
0. 5μS
0.5μS
0. 5μS
0. 5μS
0. 5μS
Figure 5-4 USB interface
Figure 5-3 Pin specification of parallel interface
2 1
3 4
Note:
①
“IN” means input to the printer, “OUT” means output from printer.
②
The signal logical level is TTL level.
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