HD66773R Datasheet, PDF (10/133 Pages) Renesas Technology Corp – 262,144-color, 132 x 176-dot Graphics Controller Driver for TFT LCD panels

HD66773R
Pin Function
Signals
Number
of Pins
IM3-1, IM0/ID 4
CS*
1
RS
1
E/WR*/SCL 1
RW/RD*
1
DB0/SDI
1
I/O Connected Functions
to
I GND or V_CC Select the mode interfacing with MPU.
IM3 IM2 IM1 IM0 MPU interfacing mode
DB pins
GND GND GND GND 68-system 16-bit interface
DB17-10,DB8-1
GND GND GND Vcc 68-system 8-bit interface
DB17-10
GND GND Vcc GND 80-system 16-bit interface
DB17-10,DB8-1
GND GND Vcc Vcc 80-system 8-bit interface
DB17-10
GND Vcc GND ID Serial Peripheral Interface
DB17-10,DB8-1
GND Vcc Vcc *
Setting disabled
Vcc GND GND GND 68-system 18-bit interface
DB17-0
Vcc GND GND Vcc 68-system 9-bit interface
DB17-9
Vcc GND Vcc GND 80-system 18-bit interface
DB17-0
Vcc GND Vcc Vcc 80-system 9-bit interface
DB17-9
Vcc Vcc *
*
Setting disabled
In Serial Peripheral Interface mode, IMO/ID pin is used for ID
setting for the device code.
I MPU
I MPU
I MPU
I MPU
I/O MPU
Chip selection signal.
Low: Select HD66773R and accessible
High: Not select HD66773R and inaccessible
Must be fixed to GND when not used.
Register selection signal.
Low: Index/status
High: Control
Must be fixed to Vcc or GND in SPI mode.
ENABLE signal to activate data read/write operation in
68-system bus interface.
Write strobe signal in 80-system bus interface, write data at low.
Synchronizing clock signal in SPI mode.
Read/write selection signal in 68-system bus interface.
Low: Write, High: Read
Read strobe signal in 80-system bus interface, read data at low.
Must be fixed to Vcc or GND in SPI mode.
18-bit bi-directional data bus.
8-bit bus interface: DB17-10
9-bit bus interface: DB17-9
16-bit bus interface: DB17-10, 8-1
18-bit bus interface: DB17-0
The pins not used for data transfer must be fixed to Vcc or GND.
Serial data input pin (SDI) to input on the rising edge of SCL
signal in SPI mode.
Rev.1.10, Jun.21.2003, page 10 of 133