hd66789 Renesas Electronics Corporation., hd66789 Datasheet - Page 7

• Manufacturer Part Number: hd66789
• Description: 528-channel, One-chip Driver For Amorphous Tft Panels With 262,144-color Display Ram, Power Supply Circuit, And Gate Circuit
• Manufacturer: Renesas Electronics Corporation.

HD66789
Block Diagram
Rev.0.12, May 09 2003, page 7 of 156
VLOUT1
VLOUT2
DB0/SDI,
DB1/SDO,
VciLVL
VciOUT
VLOUT4
DDVDH
VLOUT3
WR*/SCL
~DB17
RESET*
Vci1
VGL
VGH
TEST1
TEST2
IM3-1,
IM0/ID
Vci
VCL
TS7-0
Vcc
VLD
RD*
CS*
RS
18
Step-up
circuit 2
Index
Step-up
circuit 1
System Interface
-18 bits
-16 bits
- 9 bits
- 8 bits
- clock
- 3-transmission
Voltage
circuit
Adjustment
synchronization
serial (SPI)
mode
VREG1OUT
7
(IR)
VREG1
OUT
16
Power supply circuit
VcomL Vcom
Control
register (CR)
Vcom
18
18
VcomH
Read data
latch
18
Bit operation
Graphics RAM
(GRAM)
95,040 bytes
18
Grayscale voltage
generation circuit
VGS
γ
Address
counter
V0P,V0N,
V31P,V31N
(AC)
Adjustment circuit
Write data
latch
VMONI
18
72
PD0~17
VTEST
VSYNC, HSYNC, DCLK, ENABLE
PD17-0
External display interface
18
18
16
ENABLE
DOTCLK
Timing generation
circuit
HSYNC
V0-31
VSYNC
M
OSC1 OSC2
VGH,
VGL
CPG
Preliminary
G1
~ G240
S1
~ S528