CBM-909PC Series User’sManual
6
18
1
XT1
19
2
XT2
20
3
Reset
V
21
4
X1
V
22
5
X2
V
23
6
RDY
V
24
7
ACK
V
25
8
S3
V
26
9
RP
V
27
10
RF
V
28
11
SLIN
V
29
12
RXD
V
30
13
S2
V
V
31
14
S1
V
V
32
15
ES
V
33
16
INT
V
35
17
STB
V
36
18
RXD
V
37
19
DP
V
Connect to VDD or VSS.
Not use
System reset signal. If this signal is set to the Low level, the inside of the
LSI is initialized.
Oscillator terminals. 4.19 MHz
±
0.5%
If receivable at data transfer time, this signal is set to the Low level.
If data read is completed at parallel data receive time, the Low pulse is
output.
Function selection S3.
RP Signal from the printer.
Paper feed signal. Effective only in the off-line mode.
On-line setting signal. When this signal is at the Low level, the on-line
mode is selected to enable data transfer. When this signal is at the High
level, the off-line mode is selected to disable data transfer.
Serial transfer. Serial data input pin.
Function selection S2 * 1
Function selection S1 * 1
Power-down command signal. If this signal is set to the Low level, control
is interrupted and oscillation stops, resulting in the power-down mode.
Power-down reset signal. If this signal is set to the Low level, the power-
down mode is reset.
Strobe pulse input
Negative logic
“Low”=8-bit data read
DIP type: Connect to 12 PIN
QFP type: Connect to 29 PIN
DP signal from the printer
c)
Pin Assignment
Pin No.
Symbol
Signal
Function
QFP
DIP
IN
OUT
Summary of Contents for CBM-909PC SERIES
Page 2: ...i REVISION Rev No Date Content 1 00 Sep 30 2000 Newly issued ...
Page 28: ...CBM 909PC Series User sManual 24 5 CHARACTER CODE TABLE 5 1 INTERNATIONAL CHARACTER CODES ...
Page 29: ...CBM 909PC Series User sManual 25 ...
Page 30: ...CBM 909PC Series User sManual 26 5 2 JAPANESE CHARACTER CODES ...
