Canon A-200 series Service Manual page 70

APPROX.5I'S
BUSY
0.51'5 (MIN.)
DATA
STROBE
--+-...,
1/0
Address
Data
DO
01
02
378 03
04
05
06
07
110
Address
Data
DO
01
02
03
379
04
05
06
07
1/0
Address
Data
DO
01
02
03
37A
04
05
06
07
0.51'S (MIN.)
WRITE
(U42)
Printer Data
0
LSB
Printer Data 7 MSB
READ
(U64)
-
-
-
Error
Select
Paper Empty
Acknowledge
Busy
WRITE
(U49)
STB
AUTO FEED
INITIALIZE
SELECT
-
-
-
-
67
Figure 6-17
READ
(U138)
Printer Data
0
LSB
Printer Data 7 MSB
Table 6-5
READ
(U139)
STB
AUTO
INIT
SEL
-
-
-
-