Pinout Information
Pin Descriptions
Table 2-5
provides detailed Microprocessor Interface pin descriptions.
Table 2-5 Microprocessor Interface Pin Descriptions
Name
Pin(s)
Type
Function
WR
194
I/O D5
Write Enable. Low indicates a write to external RAM or other devices.
RD
195
I/O D5
Read Enable. Low indicates a read to external RAM or other devices.
ROMOE
196
OS
ROM Output Enable. Low output indicates a read from external ROM.
ROMWE
197
OS
ROM Write Enable. Low indicates a write to external ROM.
CS0
198
I/O D5
Miscellaneous Chip Select 0. Low selects external devices.
CS1
199
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
193
ID 5
Non-Maskable Interrupt. A high input triggers a non-maskable interrupt to
the on-chip microprocessor.
A1
192
I/O D5
Microprocessor address bus output bits (19:1).
A2
191
I/O D5
A3
190
I/O D5
A4
189
I/O D5
A5
188
I/O D5
A6
187
I/O D5
A7
184
I/O D5
A8
183
I/O D5
A9
182
I/O D5
A10
181
I/O D5
A11
180
I/O D5
A12
179
I/O D5
A13
178
I/O D5
A14
177
I/O D5
A15
176
I/O D5
A16
175
I/O D5
A17
174
I/O D5
A18
173
I/O D5
A19
164
I/O D5
Summary of Contents for LCT2662
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Page 103: ...Input configuration Power amplifier ...
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Page 111: ...Exploded View Diagram Exploded View Diagram ...