Holtek HT67F2350 Manual page 4

Input/Output Ports ........................................................................................110
Pull-high Resistors ...............................................................................................................112
Port A Wake-up ....................................................................................................................112
I/O Port Control Registers ....................................................................................................113
I/O Port Source Current Control ...........................................................................................113
Pin-shared Functions ...........................................................................................................117
I/O Pin Structures ................................................................................................................ 130
READ PORT Function......................................................................................................... 131
Programming Considerations .............................................................................................. 132
Timer Modules - TM .................................................................................... 133
Introduction ......................................................................................................................... 133
TM Operation ...................................................................................................................... 133
TM Clock Source ................................................................................................................. 133
TM Interrupts ....................................................................................................................... 134
TM External Pins ................................................................................................................. 134
TM Input/Output Pin Selection ............................................................................................ 135
Programming Considerations .............................................................................................. 136
Standard Type TM - STM ............................................................................ 137
Standard TM Operation ....................................................................................................... 137
Standard Type TM Register Description ............................................................................. 138
Standard Type TM Operation Modes .................................................................................. 142
Periodic Type TM - PTM .............................................................................. 152
Periodic TM Operation ........................................................................................................ 153
Periodic Type TM Register Description ............................................................................... 153
Periodic Type TM Operation Modes .................................................................................... 158
Analog to Digital Converter ........................................................................ 167
A/D Overview ...................................................................................................................... 167
Registers Descriptions ........................................................................................................ 168
A/D Converter Reference Voltage ....................................................................................... 172
A/D Converter Input Signals ................................................................................................ 173
A/D Operation ..................................................................................................................... 174
Conversion Rate and Timing Diagram ................................................................................ 175
Summary of A/D Conversion Steps ..................................................................................... 176
Programming Considerations .............................................................................................. 177
A/D Transfer Function ......................................................................................................... 177
A/D Programming Examples ............................................................................................... 178
Serial Interface Module - SIM ..................................................................... 180
SPI Interface ....................................................................................................................... 180
I 2 C Interface ........................................................................................................................ 186
Serial Interface - SPIA ................................................................................. 196
SPIA Interface Operation .................................................................................................... 196
SPIA Registers .................................................................................................................... 197
SPIA Communication .......................................................................................................... 200
SPIA Bus Enable/Disable .................................................................................................... 202
Rev. 1.60
Advanced A/D Flash MCU with LCD & EEPROM
4
HT67F2350/HT67F2360
HT67F2370/HT67F2390
May 16, 2019