2. LCD Driver Configuration
6
7
8
9
10
定
VLCD
電
1
kHz
VLCD昇圧回路
圧
doubler
回
DISP OFF
circuit
路
LCD OFF
VLCD
VEE
BIAS
Note:
After a system reset, all the pins that also serve as the LCD driver pins will be the I/O port input
state.
Note:
The LCD driver pins are also used as I/O ports and high-speed oscillator pins.
15
16
17
18
19
I/Oポート10
I/O port 10
Common
コモン出力回路
output circuit
VLCD
VLCD×1/3
×1/2
VLCD×2/3
Bias circuit
バイアス回路
94
20
33
34
35
36
I/Oポート12 16
~
I/O port 12 to 16
Segment driver
セグメントドライバ
セグメントデータ
Segment data
TC9349AFG
High-speed
高速発振器
oscillator
2006-02-24