LC-37GA5E (serv.man17). Major IC Information - Sharp TV Service Manual (repair manual). Page 14

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 LC-26GA5E
 LC-32GA5E
    LC-37GA5E
Table 2-5
 provides detailed Microprocessor Interface pin descriptions. 
DOG0
121
 I/O SR5
DOPort Green Pixel Data. In dual pixel output mode these pins are the 
ODD green outputs. In single pixel output mode these pins are not used. 
DOG1
120
 I/O SR5
DOG2
119
 I/O SR5
DOG3
118
 I/O SR5
DOG4
117
 I/O SR5
DOG5
116
 I/O SR5
DOG6
115
 I/O SR5
DOG7
114
 I/O SR5
DOB0
113
 I/O SR5
DOPort Blue Pixel Data. In dual pixel output mode these pins are the ODD 
blue outputs. In single pixel output mode these pins are not used. 
DOB1
112
 I/O SR5
DOB2
111
 I/O SR5
DOB3
110
 I/O SR5
DOB4
109
 I/O SR5
DOB5
108
 I/O SR5
DOB6
100
 I/O SR5
DOB7
99
 I/O SR5
Table 2-5  Microprocessor Interface Pin Descriptions
Name
Pin(s)
Type
Function
WR
195
I/O D5
Write Enable. Low indicates a write to external RAM or other devices.
RD
196
I/O D5
Read Enable. Low indicates a read to external RAM or other devices.
ROMOE
197
 OS
ROM Output Enable. Low output indicates a read from external ROM. 
ROMWE
198
 OS
ROM Write Enable. Low indicates a write to external ROM.
CS0
199
I/O D5
Miscellaneous Chip Select 0. Low selects external devices.
CS1
200
I/O D5
Miscellaneous Chip Select 1. When EXTRAMEN=0, low selects external 
devices.
Chip select for external RAM. When EXTRAMEN=1, low selects external 
RAM. (RAMCS)
NMI
194
ID 5
Non-Maskable Interrupt. A high input triggers a non-maskable interrupt to 
the on-chip microprocessor.
Table 2-4  Display/Odd Port Pin Descriptions (continued)
Name
Pin(s)
Type
Function
3.3. Description of Pins IC2201, continued
CONFIDENTIAL
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