TP850
User’s Manual
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7
8
9
DATA6
DATA7
DATA8
IN
IN
IN
10
/ACK OUT
Acknowledge pulse, 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 status.
14
、
15
、
17
、
18
、
34
、
36
NC ---
NC
16
、
19
～
30
、
33
GND
---
GND, “0” level in logic
Relative time sequence is shown as figure 5-3.
5.2.3 USB Interface
USB interface is the 2.0 Full-Speed version.
5.2.4 Serial Interface
TP850 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 figure 5-5.
Contact number
Signal name
Color
1 VBUS
Red
2 D-
White
3 D+
Green
4 GND
Black
BU SY
/A CK
DA TA
/S TB
0. 5μS
0. 5μS
0. 5μS
0. 5μS
0. 5μS
Table A-2 36 PIN parallel interface Pin assignments
Figure 5-3
Time sequence of parallel interface
Figure 5-4 USB interface
2 1
3 4
Note:
①
“IN” means input to the printer, “OUT” means output from the printer.
②
The logical level of signal is TTL level.
Содержание TP850 Series
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