HD66781 Datasheet, PDF (114/196 Pages) Renesas Technology Corp – 720-channel Source Driver for a-Si TFT/Low Temperature Poly-Si TFT Panels with 262,144-color display RAM

HD66781
Preliminary
System Interface
The setting with IM3/2/1/0 pins allows selecting among the following system interfaces. The system
interface enables instruction settings and RAM access.
Table 63 IM bits settings and system interface
IM3 IM2 IM1 IM0 Interfacing mode with MPU
0
0
0
0
Setting disabled
0
0
0
1
Setting disabled
0
0
1
0
80-system 16-bit interface
0
0
1
1
80-system 8-bit interface (Big endian)
0
1
0
*
Serial Peripheral interface (SPI)
0
1
1
0
Setting disabled
0
1
1
1
80-system 8-bit interface (Little endian)
1
0
0
0
Setting disabled
1
0
0
1
Setting disabled
1
0
1
0
80-system 18-bit interface
1
0
1
1
80-system 9-bit interface
1
1
*
*
Setting disabled
Note 1) 262,144 colors in 16-bit data bus 2-transmission mode.
Note 2) 262,144 colors in 8-bit data bus 3-transmission mode.
DB Pin
DB17 to 10 and 8 to 1
DB17 to 10
DB1 to 0
DB17 to 10
DB17 to 0
DB17 to 9
Colors
65,536
(262,144) ^{Note 2)}
65,536
(262,144) ^{Note 2)}
65,536
65,536
(262,144) ^{Note 2)}
262,144
262,144
Rev.0.5, July.31.2003, page 114 of 196