HD6432646 Hitachi, HD6432646 Datasheet - Page 667

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

18.1.3
Table 18-1 shows the LCD controller/driver pin configuration.
Table 18-1 Pin Configuration
Name
Segment output
pins
Common output
pins
LCD power supply
pins
18.1.4
Table 18-2 shows the register configuration of the LCD controller/driver.
Table 18-2 LCD Controller/Driver Registers
Name
LCD port control register
LCD control register
LCD control register 2
LCD RAM
Module stop control
register D
Note:
*1 Lower 16 bits of the address.
Pin Configuration
Register Configuration
Abbreviation
SEG24 to SEG1
(H8S/2646,
H8S/2646R,
H8S/2645)
SEG40 to SEG1
(H8S/2648,
H8S/2648R,
H8S/2647)
COM4 to COM1
V1, V2, V3
Abbreviation
LPCR
LCR
LCR2
—
MSTPCRD
I/O
Output
Output
—
R/W
R/W
R/W
R/W
R/W
R/W
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
Initial Value
H'00
H'80
H'60
Undefined
B'11******
Address
H'FC30
H'FC31
H'FC32
H'FC40 to H'FC53
H'FC60
*1
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