Canon BJC-2000 Series Service Manual - Page 37

N.C. [Non Connection], Compatible mode, Signal, Nibble mode

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BJC-2000 Part 2: Product Specifications 7) Input/ output signals and pin layout Compatible mode No. Signal I/O No. Signal 1 STROBE 2 DATA1 3 DATA2 4 DATA3 5 DATA4 6 DATA5 7 DATA6 8 DATA7 9 DATA8 10 ACKNLG 11 BUSY 12 P.E. 13 SELECT 14 AUTO FEED XT* 15 N.C.*2 16 GND 17 GND 18 +5.0V*3 IN IN IN IN IN IN IN IN IN OUT OUT OUT OUT IN ... IN ... ... 19 STROBE-GND*1 20 DATA1-GND 21 DATA2-GND 22 DATA3-GND 23 DATA4-GND 24 DATA5-GND 25 DATA6-GND 26 DATA7-GND 27 DATA8-GND 28 ACKNLG-GND 29 BUSY-GND 30 INT-GND 31 INIT 32 ERROR 33 GND 34 N.C.*2 35 +5.0V*4 36 SELECT IN *1. All-GNDs are connected to GND. *2. N.C. means no connection. *3. The level is pulled up with +5.0V through 3.3k Ω resistor. *4. The level is pulled up with +5.0V through 390 Ω resistor. Nibble mode No. Signal I/O No. Signal 1 HostClk 2 Data1 3 Data2 4 Data3 5 Data4 6 Data5 7 Data6 8 Data7 9 Data8 10 PtrClk 11 PtrBusy 12 AckDataReq 13 Xflag 14 HostBusy 15 N.C.*1 16 Gnd 17 Gnd 18 +5.0V*2 IN 19 IN/OUT 20 IN/OUT 21 IN/OUT 22 IN/OUT 23 IN/OUT 24 IN/OUT 25 IN/OUT 26 IN/OUT 27 OUT 28 OUT 29 OUT 30 OUT 31 IN 32 ... 33 ... 34 ... 35 ... 36 Signal Gnd Signal Gnd Signal Gnd Signal Gnd Signal Gnd Signal Gnd Signal Gnd Signal Gnd Signal Gnd Signal Gnd Signal Gnd Signal Gnd Init DataAvail GND N.C.*1 +5.0V*3 1284Active *1. N.C. [Non Connection] *2. The level is pulled up with +5.0V through 3.3k Ω resistor. *3. The level is pulled up with +5.0V through 390 Ω resistor. I/O IN OUT IN I/O IN OUT IN 2-13

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Part 2: Product Specifications
BJC-2000
2-13
BJC-2000
7) Input/ output signals and pin layout
*1. All-GNDs are connected to GND.
*2. N.C. means no connection.
*3. The level is pulled up with +5.0V through 3.3k
Ω
resistor.
*4. The level is pulled up with +5.0V through 390
Ω
resistor.
*1. N.C. [Non Connection]
*2. The level is pulled up with +5.0V through 3.3k
Ω
resistor.
*3. The level is pulled up with +5.0V through 390
Ω
resistor.
Compatible mode
No.
Signal
I/O
No.
Signal
I/O
1
STROBE
IN
19
STROBE-GND
*1
...
2
DATA1
IN
20
DATA1-GND
...
3
DATA2
IN
21
DATA2-GND
...
4
DATA3
IN
22
DATA3-GND
...
5
DATA4
IN
23
DATA4-GND
...
6
DATA5
IN
24
DATA5-GND
...
7
DATA6
IN
25
DATA6-GND
...
8
DATA7
IN
26
DATA7-GND
...
9
DATA8
IN
27
DATA8-GND
...
10
ACKNLG
OUT
28
ACKNLG-GND
...
11
BUSY
OUT
29
BUSY-GND
...
12
P.E.
OUT
30
INT-GND
...
13
SELECT
OUT
31
INIT
IN
14
AUTO FEED XT
*
IN
32
ERROR
OUT
15
N.C.
*2
...
33
GND
...
16
GND
IN
34
N.C.
*2
...
17
GND
...
35
+5.0V
*4
...
18
+5.0V
*3
...
36
SELECT IN
IN
Nibble mode
No.
Signal
I/O
No.
Signal
I/O
1
HostClk
IN
19
Signal Gnd
...
2
Data1
IN/OUT
20
Signal Gnd
...
3
Data2
IN/OUT
21
Signal Gnd
...
4
Data3
IN/OUT
22
Signal Gnd
...
5
Data4
IN/OUT
23
Signal Gnd
...
6
Data5
IN/OUT
24
Signal Gnd
...
7
Data6
IN/OUT
25
Signal Gnd
...
8
Data7
IN/OUT
26
Signal Gnd
...
9
Data8
IN/OUT
27
Signal Gnd
...
10
PtrClk
OUT
28
Signal Gnd
...
11
PtrBusy
OUT
29
Signal Gnd
...
12
AckDataReq
OUT
30
Signal Gnd
...
13
Xflag
OUT
31
Init
IN
14
HostBusy
IN
32
DataAvail
OUT
15
N.C.
*1
...
33
GND
...
16
Gnd
...
34
N.C.
*1
...
17
Gnd
...
35
+5.0V
*3
...
18
+5.0V
*2
...
36
1284Active
IN