Rev.2.00
Jul 27, 2004
page 83 of 159
REJ03B0091-0200Z
4524 Group
Internal dividing resistor for LCD power
supply selection bit (Note 2)
LCD control bit
LCD control register L1
L13
L12
L11
L10
at reset : 00002
at power down : state retained
0
1
0
1
L11
0
1
L10
0
1
0
1
Duty
1/2
1/3
1/4
Bias
1/2
1/3
LCD control register L2
at reset : 11112
at power down : state retained
W
TL2A
0
1
0
1
0
1
0
1
SEG0
VLC3
SEG1
VLC2
SEG2
VLC1
Internal dividing resistor valid
Internal dividing resistor invalid
L23
L22
L21
L20
VLC3/SEG0 pin function switch bit (Note 3)
VLC2/SEG1 pin function switch bit (Note 4)
VLC1/SEG2 pin function switch bit (Note 4)
Internal dividing resistor for LCD power
supply control bit
2r 3, 2r 2
r 3, r 2
Off
On
Not available
Notes 1: “R” represents read enabled, and “W” represents write enabled.
2: “r (resistor) multiplied by 3” is used at 1/3 bias, and “r multiplied by 2” is used at 1/2 bias.
3: VLC3 is connected to VDD internally when SEG0 pin is selected.
4: Use internal dividing resistor when SEG1 and SEG2 pins are selected.
R/W
TAL1/TL1A
PU03
PU02
PU01
PU00
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Port P03 pull-up transistor
control bit
Port P02 pull-up transistor
control bit
Port P01 pull-up transistor
control bit
Port P00 pull-up transistor
control bit
Pull-up control register PU0
at reset : 00002
at power down : state retained
0
1
0
1
0
1
0
1
R/W
TAPU0/
TPU0A
PU13
PU12
PU11
PU10
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Port P13 pull-up transistor
control bit
Port P12 pull-up transistor
control bit
Port P11 pull-up transistor
control bit
Port P10 pull-up transistor
control bit
Pull-up control register PU1
at reset : 00002
at power down : state retained
0
1
0
1
0
1
0
1
R/W
TAPU1/
TPU1A
LCD duty and bias selection bits