SN8P1700
8-bit micro-controller build-in 12-bit ADC
RAM BANK SELECTION ........................................................................................................ 35
WORKING REGISTERS............................................................................................................. 36
H, L REGISTERS .................................................................................................................... 36
Y, Z REGISTERS .................................................................................................................... 37
X REGISTERS ........................................................................................................................ 38
R REGISTERS ........................................................................................................................ 38
PROGRAM FLAG ....................................................................................................................... 39
CARRY FLAG ......................................................................................................................... 39
DECIMAL CARRY FLAG......................................................................................................... 39
ZERO FLAG ............................................................................................................................ 39
ACCUMULATOR ........................................................................................................................ 40
STACK OPERATIONS................................................................................................................ 41
OVERVIEW ............................................................................................................................. 41
STACK REGISTERS............................................................................................................... 42
STACK OPERATION EXAMPLE............................................................................................. 43
PROGRAM COUNTER............................................................................................................... 44
ONE ADDRESS SKIPPING .................................................................................................... 45
MULTI-ADDRESS JUMPING .................................................................................................. 46
4
5
ADDRESSING MODE...................................................................................................... 47
OVERVIEW................................................................................................................................. 47
IMMEDIATE ADDRESSING MODE ........................................................................................ 47
DIRECTLY ADDRESSING MODE .......................................................................................... 47
INDIRECTLY ADDRESSING MODE....................................................................................... 47
TO ACCESS DATA in RAM BANK 0....................................................................................... 48
TO ACCESS DATA in RAM BANK 1....................................................................................... 48
SYSTEM REGISTER ....................................................................................................... 49
OVERVIEW................................................................................................................................. 49
SYSTEM REGISTER ARRANGEMENT (BANK 0) ..................................................................... 49
BYTES of SYSTEM REGISTER.............................................................................................. 49
BITS of SYSTEM REGISTER ................................................................................................. 51
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Revision 1.94
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