Oki OKIFAX 5950, Maintenance Manual

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