3-36
CIRCUIT DESCRIPTION
Samsung Electronics
Repair Manual
3-9-2 UART COMMUNICATION DATA
1) UART transmission DATA(received by the Main side)
(Note)
1. After this, keep waiting until there is response from the Main.
2. The case of longer time(longer than 10ms) elapsed longer than waiting time required for Interface is regarded as fail
3. After this code went out, then data requested it goes out.
• KEY MATRIX
Types
Status
DATA
used port
Level
Remarks
key data
ON
11H~ 88H
PORT PC0~PORT PC7
L
OFF
af H
H
SCAN POSITION sensor
ON
a5 H
PORT PB3
H
SCX-1100 not applied
OFF
a4 H
L
DOC. detector sensor
ON
a1 H
PORT PB-5
L
SCX-1100 not applied
OFF
a0 H
H
For initial use of initial OPE
ee H
After power on, generated only once
UART communication
OK
b0 H
(Note 2)
ERR
c0 H
LCD interface of OPE
OK
df H
When failed in the interface once &
when succeeded first(Note 2)
ERR
d0 H
Self initial generation of OPE
e2 H
LCD data keeps status quo
Send data requested by the Main
e0 H
Data types:LCD, other(Note 3)
(1_H)
(2_H)
(3_H)
(4_H)
(5_H)
(6_H)
(7_H)
(8_H)
(_1H)
INK
RESERVED
RESERVED
RESERVED
CONTRAST
RESERVED
RESERVED
RESERVED
(_2H)
PAPER
RESERVED
RESERVED
RESERVED
COPY PAGE
RESERVED
RESERVED
RESERVED
(_3H)
SET UP
RESERVED
RESERVED
RESERVED
ZOME RETE
RESERVED
RESERVED
RESERVED
(_4H)
SCROLL NOLUM-UP
RESERVED
RESERVED
RESERVED
BLACK COPY
RESERVED
RESERVED
RESERVED
(_5H)
SCROLL NOLUM-DOWN
RESERVED
RESERVED
RESERVED
COLOR COPY
RESERVED
RESERVED
RESERVED
(_6H)
CANCEL
RESERVED
RESERVED
RESERVED
SPECIAL
RESERVED
RESERVED
RESERVED
(_7H)
ENTER
RESERVED
RESERVED
RESERVED
SCAN TO
RESERVED
RESERVED
RESERVED
(_8H)
QUALITY
RESERVED
RESERVED
RESERVED
POWER
RESERVED
RESERVED
RESERVED
<SCX-1100 OPE B’D KEY MATRIX>
Содержание SCX-1100
Страница 77: ...3 18 CIRCUIT DESCRIPTION Samsung Electronics Repair Manual 3 J3 Assigned GPO ...
Страница 85: ...3 26 CIRCUIT DESCRIPTION Samsung Electronics Repair Manual 3 5 3 COPY DATA FLOW FOR OA 980 ...
Страница 86: ...3 27 Samsung Electronics CIRCUIT DESCRIPTION Repair Manual 3 5 4 OA 980 I O PORT ...
Страница 87: ...3 28 CIRCUIT DESCRIPTION Samsung Electronics Repair Manual ...
Страница 108: ...Electronics ...