Oki OKIPAGE 14i Service Manual page 227

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
Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
CS1-N ROM/SRAM 90
select 1
CS2-N ROM/SRAM 91
select 2
CS3-N ROM/SRAM 92
select 3
CSRREQ- SCC send 93
P request
0V Logic ground 94
SCSREQ- SCC receive 95
P request
IOS0-N I/O select 0 96
IOS1-N I/O select 1 97
RSTXD0- RS232C send 98
N data
-8V RS232C line 99
voltage
RSRXD0- RS232C 100
P receive data
O DCAS0-N DCAS0
O RD-N RD-N
O WR-N WR-N
I INT1-N Interrupt request 1
I INT2-N Interrupt request 2
O EEPRMCS EEPROM select
1-P
O EEPRMCL EEPROM clock
K-P
C SSTXD-P EEPROM data
I DRDY-N Data read
C +8V RS232C line
voltage
O RESET-N Reset signal