hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 460

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Section 13 LCD Controller/Driver
13.1.3
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
13.1.4
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
Rev. 7.00 Mar 10, 2005 page 418 of 652
REJ09B0042-0700
Register Configuration
Pin Configuration
Abbr.
SEG
COM
V
1
, V
32
2
4
, V
to COM
to SEG
Abbr.
LPCR
LCR
LCR2
—
CKSTPR2
3
1
1
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'80
—
Undefined
H'FF
Address
H'FFC0
H'FFC1
H'FFC2
H'F740 to H'F74F
H'FFFB