Oki OKIPAGE 14EX Service Manual page 222

39 89 39 O
40 90 40 O
41 91 41 O
42 92 42 O
43 93 43 I
44 94 44 C
45 95 45 I
46 96 46 O
47 97 47 O
48 98 48 O
49 99 49 O
50 100 50 I
O: Out
I: In
C: Common
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RSRTS0- RS232C 89 O
N request to
send
CS1-N ROM/SRAM 90 O
select 1
CS2-N ROM/SRAM 91 O
select 2
CS3-N ROM/SRAM 92 O
select 3
CSRREQ- SCC send 93 I
P request
0V Logic ground 94 I
SCSREQ- SCC receive 95 O
P request
IOS0-N I/O select 0 96 O
IOS1-N I/O select 1 97 C
RSTXD0- RS232C send 98 I
N data
-8V RS232C line 99 C
voltage
RSRXD0- RS232C 100 O
P receive data
DCAS1-N DCAS1
DCAS0-N DCAS0
RD-N RD-N
WR-N WR-N
INT1-N Interrupt request 1
INT2-N Interrupt request 2
EEPRMCS EEPROM select
1-P
EEPRMCL EEPROM clock
K-P
SSTXD-P EEPROM data
DRDY-N Data read
+8V RS232C line
voltage
RESET-N Reset signal