HT46R069B データシートの表示（PDF） - Holtek Semiconductor
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HT46R069B Datasheet PDF : 134 Pages
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HT46R068B/HT46R069B
Enhanced A/D Type 8-bit OTP MCU
Analog to Digital Converter........................................................................... 66
A/D Overview......................................................................................................................... 66
A/D Converter Data Registers – ADRL, ADRH...................................................................... 66
A/D Converter Control Registers – ADCR, ACSR, ANCSR1, ANCSR0................................. 66
A/D Input Pins........................................................................................................................ 72
Summary of A/D Conversion Steps........................................................................................ 72
Programming Considerations................................................................................................. 73
A/D Transfer Function............................................................................................................ 73
A/D Programming Example.................................................................................................... 75
Interrupts......................................................................................................... 77
Interrupt Register................................................................................................................... 77
Interrupt Operation................................................................................................................. 79
Interrupt Priority...................................................................................................................... 80
External Interrupt.................................................................................................................... 81
Timer/Event Counter Interrupt................................................................................................ 81
Multi-function Interrupt........................................................................................................... 81
Programming Considerations................................................................................................. 82
LCD SCOM Function...................................................................................... 83
LCD Operation ...................................................................................................................... 83
LCD Bias Control................................................................................................................... 84
Serial Interface Module – SIM........................................................................ 85
SPI Interface.......................................................................................................................... 85
SPI Registers......................................................................................................................... 87
SPI Communication.............................................................................................................. 90
I2C Interface........................................................................................................................... 92
I2C Registers.......................................................................................................................... 93
I2C Bus Communication......................................................................................................... 97
I2C Bus Start Signal................................................................................................................ 98
Slave Address........................................................................................................................ 98
I2C Bus Read/Write Signal..................................................................................................... 99
I2C Bus Slave Address Acknowledge Signal.......................................................................... 99
I2C Bus Data and Acknowledge Signal.................................................................................. 99
Peripheral Clock Output............................................................................... 101
Peripheral Clock Operation.................................................................................................. 101
Serial Interface – SPIA.................................................................................. 102
SPIA Interface Operation..................................................................................................... 102
SPIA registers...................................................................................................................... 104
SPIA Communication........................................................................................................... 106
SPIA Bus Enable/Disable..................................................................................................... 108
SPIA Operation.................................................................................................................... 108
Low Voltage Detector – LVD.........................................................................110
LVD Register.........................................................................................................................110
LVD Operation.......................................................................................................................110
Rev. 1.10
4
May 02, 2012
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