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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
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
Rev. 6.00, 08/04, page 406 of 628
Abbr.
I/O
SEG
to SEG
Output
32
1
COM
to COM
Output
4
1
V
, V
, V
—
1
2
3
Abbr.
LPCR
LCR
LCR2
—
CKSTPR2
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
R/W
Initial Value
R/W
—
R/W
H'80
R/W
—
R/W
Undefined
R/W
H'FF
Address
H'FFC0
H'FFC1
H'FFC2
H'F740 to H'F74F
H'FFFB
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