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iv
12.6
STOP Bit Length
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
12.7
Parity
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
12.8
Transmit/Receive Operation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
12.8.1
Data Transmit Operation
.................................................................................................................... 130
12.8.2
Data Receive Operation
..................................................................................................................... 130
12.9
Status Flag
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
12.9.1
Parity Error
.......................................................................................................................................... 131
12.9.2
Framing Error
...................................................................................................................................... 131
12.9.3
Overrun Error
...................................................................................................................................... 131
12.9.4
Receive Data Buffer Full
..................................................................................................................... 132
12.9.5
Transmit Data Buffer Empty
............................................................................................................... 132
12.9.6
Transmit End Flag
.............................................................................................................................. 133
13.
10-bit AD Converter (ADC)
13.1
Configuration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
13.2
Register configuration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
13.3
Function
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
13.3.1
Software Start Mode
........................................................................................................................... 139
13.3.2
Repeat Mode
...................................................................................................................................... 139
13.3.3
Register Setting
................................................................................................................................ 140
13.4
STOP/SLOW Modes during AD Conversion
. . . . . . . . . . . . . . . . . . . . . . . . . . . 141
13.5
Analog Input Voltage and AD Conversion Result
. . . . . . . . . . . . . . . . . . . . . . . 142
13.6
Precautions about AD Converter
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
13.6.1
Analog input pin voltage range
........................................................................................................... 143
13.6.2
Analog input shared pins
.................................................................................................................... 143
13.6.3
Noise Countermeasure
....................................................................................................................... 143
14.
8-Bit DA Converter (DAC)
14.1
Register Configuration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
14.1.1
DA Converter Operation
..................................................................................................................... 146
15.
Key-on Wakeup (KWU)
15.1
Configuration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
15.2
Control
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
15.3
Function
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
16.
OTP operation
16.1
Operating mode
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
16.1.1
MCU mode
.......................................................................................................................................... 149
16.1.1.1
Program Memory
16.1.1.2
Data Memory
16.1.1.3
Input/Output Circuiry
16.1.2
PROM mode
....................................................................................................................................... 151
16.1.2.1
Programming Flowchart (High-speed program writing)
16.1.2.2
Program Writing using a General-purpose PROM Programmer
17.
Input/Output Circuitry