75
LC-26GA5E
LC-32GA5E
LC-26GA6E/LC-26BV6E
LC-32GA6E/LC-32BV6E
LC-37GA6E
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
4.3. Description of Pins IC2201, continued
CONFIDENTIAL
www.ma163.com 电子技术资料网