SN8P1700
8-bit micro-controller build-in 12-bit ADC
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SERIAL INPUT/OUTPUT TRANSCEIVER (SIO)................................................ 101
OVERVIEW............................................................................................................................... 101
SIOM MODE REGISTER.......................................................................................................... 102
SIOB DATA BUFFER................................................................................................................ 103
SIOR REGISTER DESCRIPTION ............................................................................................ 103
SIO MASTER OPERATING DESCRIPTION ............................................................................ 104
RISING EDGE TRANSMITTER/RECEIVER MODE.............................................................. 104
FALLING EDGE TRANSMITTER/RECEIVER MODE........................................................... 105
RISING EDGE RECEIVER MODE........................................................................................ 106
FALLING EDGE RECEIVER MODE ..................................................................................... 107
SIO SLAVE OPERATING DESCRIPTION................................................................................ 108
RISING EDGE TRANSMITTER/RECEIVER MODE.............................................................. 109
FALLING EDGE TRANSMITTER/RECEIVER MODE........................................................... 110
RISING EDGE RECEIVER MODE........................................................................................ 111
FALLING EDGE RECEIVER MODE ..................................................................................... 112
SIO INTERRUPT OPERATION DESCRIPTION....................................................................... 113
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I/O PORT............................................................................................................. 114
OVERVIEW............................................................................................................................... 114
I/O PORT FUNCTION TABLE .................................................................................................. 115
PULL-UP RESISTERS.............................................................................................................. 116
I/O PORT DATA REGISTER .................................................................................................... 119
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8-CHANNEL ANALOG TO DIGITAL CONVERTER........................................... 121
OVERVIEW............................................................................................................................... 121
ADM REGISTER....................................................................................................................... 122
ADR REGISTERS..................................................................................................................... 122
ADB REGISTERS..................................................................................................................... 122
ADC CONVERTING TIME........................................................................................................ 124
ADC CIRCUIT........................................................................................................................... 125
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Page 8
Revision 1.94
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