HD404818 Datasheet, PDF (11/100 Pages) Hitachi Semiconductor – 16-digit LCD driver

Block Diagram
HD404818 Series
INT₀
INT₁
External
interrupt
control
circuit
Timer A
Timer B
TIMO
Timer C
SI
SO
SCK
Serial
interface
VC_ref
COMP₀
COMP₁
Compa-
rator
V₁
V₂
V₃
COM1
COM2
COM3
COM4
SEG1
SEG2
SEG3
SEG31
SEG32
LCD
driver
circuit
System control circuit
RAM
(1,184 × 4 bits)
W (2 bits)
X (4 bits)
SPX (4 bits)
Y (4 bits)
SPY (4 bits)
ALU
CPU
ST CA
(1 bit) (1 bit)
A (4 bits)
B (4 bits)
SP (10 bits)
Instruction
decoder
PC (14 bits)
ROM
(2,048 × 10 bits)
(4,096 × 10 bits)
(6,144 × 10 bits)
(8,192 × 10 bits)
D₀
D₁
D₂
D₃
D₄
D₅
D₆
High-
current
pins
D₇
D₈
D₉
D₁₀
D₁₁
D₁₂
D₁₃
R0₀
R0₁
R0₂
R0₃
R1₀
R1₁
R1₂
R1₃
R2₀
R2₁
R2₂
R2₃
R3₀
R3₁
R3₂
R3₃
: Data bus
: Signal lines
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