a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
ILI9325
i80 18-/16-bit System Bus Interface Timing
(a) Write to register
nCS
RS
nRD
nWR
Write register “index”
Write register “data”
DB[17:0]
(b) Read from register
nCS
RS
nRD
nWR
Write register “index”
Read register “data”
DB[17:0]
i80 9-/8-bit System Bus Interface Timing
(a) Write to register
nCS
RS
nRD
nWR
Write register
“high byte data”
Write register
“low byte data”
“00h”
Write register “index”
DB[17:10]
(b) Read from register
nCS
RS
nRD
nWR
Read register
“high byte data”
Read register
“low byte data”
“00h”
Write register “index”
DB[17:10]
Figure 24 Register Read/Write Timing of i80 System Interface
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