HD6433802H Datasheet, PDF (315/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

13.1.3 Pin Configuration
Table 13.1 shows the LCD controller/driver pin configuration.
Table 13.1 Pin Configuration
Name
Segment output pins
Common output pins
LCD power supply pins
Abbrev.
SEG₂₅ to SEG₁
COM₄ to COM₁
V₁, V₂, V₃
I/O
Output
Output
—
Function
LCD segment drive pins
All pins are multiplexed as port pins
(setting programmable)
LCD common drive pins
Pins can be used in parallel with static or
1/2 duty
Used when a bypass capacitor is
connected externally, and when an
external power supply circuit is used
13.1.4 Register Configuration
Table 13.2 shows the register configuration of the LCD controller/driver.
Table 13.2 LCD Controller/Driver Registers
Name
LCD port control register
LCD control register
LCD control register 2
LCD RAM
Clock stop register 2
Abbrev.
LPCR
LCR
LCR2
—
CKSTPR2
R/W
Initial Value Address
R/W
—
H'FFC0
R/W
H'80
H'FFC1
R/W
—
H'FFC2
R/W
Undefined H'F740 to H'F74C
R/W
H'FF
H'FFFB
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