HD66789 Datasheet, PDF (73/156 Pages) Renesas Technology Corp – 528-channel, One-chip Driver for Amorphous TFT Panels with 262,144-color display RAM, Power Supply Circuit, and Gate Circuit

HD66789
Preliminary
System Interface
The following shows the kinds of system interfaces and the IM pins setting for selecting an interface. The
instruction setting and RAM access are made through a system interface.
IM bits setting and the type of system interface
IM3 IM2 IM1 IM0 MPU-Interface Mode
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
0
1
0
*
Serial peripheral interface (SPI)
0
1
1
*
Setting disabled
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
DB Pin
DB17 to 10 and 8-to-1
DB17 to 10
SDI, SDO
DB17 to 0
DB17 to 9
Rev.0.12, May 09 2003, page 73 of 156