HD66765 Datasheet, PDF (3/71 Pages) Hitachi Semiconductor – 396-channel Segment Driver with Internal RAM for 4096-color Displays

Preliminary
HD66765 Block Diagram
OSC1 OSC2
Vcc
Index register
(IR)
Control register
(CR)
CPG
IM2-1,
IM0/ID
CS*
RS
E/WR*/SCL
RW/RD*
DB0/SDI,
DB1/SDO,
to DB15
CCS*
CCL
CDA
RESET*
TEST
7
16
CL1
System
Address counter
(AC)
Timing generator
FLM
M
DISPTMG
interface
12
DCCLK
- 16 bits
- 8 bits
- Serial peripheral
n _(SPI)
tio ¹⁶
a ₁₆
ific Common driver
interface
pec ^(serial)
Bit operation
12
16
12
Read data
16
latch
Write data
12
latch
48
Graphics RAM
(GRAM)
34,848 bytes
y ^S_{Palette register}
r _(PK)
Prelimina ^{PWM grayscale circuit}
SEG1
to SEG396
3