Oki OKIFAX 5950 Series Maintenance Manual page 468

C34
IC201 Pin Assignment
Destination Description
IC202
IC202
IC202
IC202
IC202
IC202
IC202
IC202
IC202
IC202
MCNT PCB Address Bus
MCNT PCB Address Bus
MCNT PCB Address Bus
MCNT PCB Address Bus
MCNT PCB Address Bus
MCNT PCB Address Bus
MCNT PCB Address Bus
MCNT PCB Address Bus
MCNT PCB Address Bus
MCNT PCB Address Bus
MCNT PCB Address Bus
MCNT PCB Address Bus
MCNT PCB Data Bus
MCNT PCB Data Bus
MCNT PCB Data Bus
MCNT PCB Data Bus
MCNT PCB Data Bus
MCNT PCB Data Bus
MCNT PCB Data Bus
MCNT PCB Data Bus
MCNT PCB Modem Chip Select
MCNT PCB Write Enable
MCNT PCB Write Enable
MCNT PCB Read Strobe
MCNT PCB CPU Clock (20Mhz)
IC202
IC202 Interrupt Request
IC202 Interrupt Request
MCNT PCB Modem Hardware Reset
MCNT PCB Ground
MCNT PCB Not used
X201 X'tal Clock (27.5760Mhz)
X201 X'tal Clock (27.5760Mhz)
MCNT PCB +5 Volt Supply (Digital)
MCNT PCB +5 Volt Supply (Digital)
MCNT PCB +5 Volt Supply (Digital)
MCNT PCB +5 Volt Supply (Digital)
MCNT PCB +5 Volt Supply (Digital)
MCNT PCB +5 Volt Supply (Digital)
MCNT PCB +5 Volt Supply (Digital)
MCNT PCB +5 Volt Supply (Digital)
MCNT PCB +5 Volt Supply (Digital)
MCNT PCB +5 Volt Supply (Digital)
— Ground (Digital)
— Ground (Digital)
— Ground (Digital)
— Ground (Digital)
— Ground (Digital)
—
OF5750/5950 Series January 2001
Signal name Pin No. Pin No.
TVCONV 25 28
SCLK1T 29 22
RVCONV 24
SCLK1R 26 23
SDTOV 27 51
TMCONV 33 32
SCLK21 34 108
RMCONV 35 109
SCLK2R 30 110
SDTOM 31 111
DPA11 56 114
DPA10 57 115
DPA9 58 116
DPA8 59 117
DPA7 60 118
DPA6 61 119
DPA5 62 120
DPA4 63 121
DPA3 64 122
DPA2 65 123
DPA1 66 124
DPA0 67 125
DPD15 68 126
DPD14 69 127
DPD13 70 128
DPD12 71 1
DPD11 72 2
DPD10 73 3
DPD9 74 4
DPD8 75 5
NDPCS 86 6
NDPWTH 87 7
NDPWTL 88 8
NDPRD 89 15
CPUCK 94 16
ESSEL 52 99
NIRQ1 95 100
NIRQ2 96 91
NHDRES 12
HALT 19 92
BOOT 20
CX24 21 46
CX 11 50
NOI 38 54
MOD0 42 55
MOD1 43
MOD2 44
MOD3 45
+5VD0 9
+5VD1 13
+5VD2 37
+5VD3 77
+5VD4 113
DGND0 10
DGND1 14
DGND2 36
DGND3 76
DGND4 112
A3 - 40
Signal name Description
SDTIV
SD Transmission/Resception
Data (Digital)
SCLK
NRESET Reset Signal
SDTIM
MA18 Address Bus
MA17 Address Bus
MA16 Address Bus
MA15 Address Bus
MA14 Address Bus
MA13 Address Bus
MA12 Address Bus
MA11 Address Bus
MA10 Address Bus
MA9 Address Bus
MA8 Address Bus
MA7 Address Bus
MA6 Address Bus
MA5 Address Bus
MA4 Address Bus
MA3 Address Bus
MA2 Address Bus
MA1 Address Bus
MA0 Address Bus
MD7 Data Bus
MD6 Data Bus
MD5 Data Bus
MD4 Data Bus
MD3 Data Bus
MD2 Data Bus
MD1 Data Bus
MD0 Data Bus
NWT Write Enable
NRD Read Enable
NCU0 Chip Select
NCU1 Chip Select
NDIRQ1 Interrupt Request
(IOGA)
NDIRQ2 Interrupt Request
(IOGA)
S0
EYECLK TEST Terminal
NEOMD (Use not allowed)
NEYSY
Destination
IC202
IC202
IC202
IC202
IC202
FLS201
FLS201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201, RAM201
FLS201
RAM201
MCNT PCB
MCNT PCB
IC205
Open
Open
Open