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contents
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Chapter 14
LCD
14-1 Functions ............................................................................................................. XIV - 2
14-1-1
Functions ............................................................................................ XIV - 2
14-1-2
LCD Operation in Standby Mode ...................................................... XIV - 3
14-1-3
Maximum Pixels ................................................................................. XIV - 3
14-1-4
Switching I/O ports and LCD segment pins ...................................... XIV - 4
14-1-5
LCD Driver Circuit Block Diagram .................................................. XIV - 5
14-2 Control Registers ................................................................................................. XIV - 6
14-2-1
Registers List ...................................................................................... XIV - 6
14-2-2
Mode Control Register 1 (LCDMD1) ................................................ XIV - 7
14-2-3
Mode Control Register 2 (LCDMD2) ................................................ XIV - 8
14-2-4
Output Control Register 1 (LCCTR1) ............................................... XIV - 9
14-2-5
Output Control Register 2 (LCCTR2) ............................................. XIV - 10
14-2-6
Segment Output Latch ...................................................................... XIV - 11
14-3 Operation ............................................................................................................. XIV - 12
14-3-1
Operation .......................................................................................... XIV - 12
14-3-2
Voltage Booster Circuit for LCD Drive ........................................... XIV - 13
14-3-3
Power Supply .................................................................................... XIV - 15
14-3-4
Frame Cycle...................................................................................... XIV - 20
14-3-5
Setup Example of the LCD Driver Circuit ...................................... XIV - 21
14-4 Display ................................................................................................................. XIV - 24
14-4-1
Static ................................................................................................. XIV - 24
14-4-2
Setup Example (static) ..................................................................... XIV - 26
14-4-3
1/2 duty ............................................................................................. XIV - 28
14-4-4
Setup Example (1/2 duty) ................................................................ XIV - 30
14-4-5
1/3 duty ............................................................................................. XIV - 32
14-4-6
Setup Example (1/3 duty) ................................................................ XIV - 34
14-4-7
1/4 duty ............................................................................................. XIV - 36
14-4-8
Setup Example (1/4 duty) ................................................................ XIV - 38
Chapter 15
Automatic Reset
15-1 Overview ............................................................................................................... XV - 2
15-1-1
Overview .............................................................................................. XV - 2
15-1-2
Electrical Features of Automatic reset Circuit ................................... XV - 3
Chapter 16
EPROM Version
16-1 EPROM Version ................................................................................................... XVI - 2
16-1-1
Overview ............................................................................................. XVI - 2
16-1-2
Caution on Use ................................................................................... XVI - 3
16-1-3
Erasing Data in Windowed Package (PX-AP101C66-AC/BC) ......... XVI - 4