SN8P1600
8-bit micro-controller
CARRY FLAG ........................................................................................................................................... 27
DECIMAL CARRY FLAG......................................................................................................................... 27
ZERO FLAG ............................................................................................................................................. 27
ACCUMULATOR ....................................................................................................................................... 28
STACK OPERATIONS ............................................................................................................................... 29
OVERVIEW .............................................................................................................................................. 29
STACK REGISTERS ................................................................................................................................. 30
STACK OPERATION EXAMPLE............................................................................................................. 31
PROGRAM COUNTER............................................................................................................................... 32
ONE ADDRESS SKIPPING ..................................................................................................................... 33
MULTI-ADDRESS JUMPING ................................................................................................................. 34
4
5
6
ADDRESSING MODE................................................................................................................... 35
OVERVIEW................................................................................................................................................. 35
IMMEDIATE ADDRESSING MODE....................................................................................................... 35
DIRECTLY ADDRESSING MODE .......................................................................................................... 35
INDIRECTLY ADDRESSING MODE ...................................................................................................... 35
SYSTEM REGISTER .................................................................................................................... 36
OVERVIEW................................................................................................................................................. 36
SYSTEM REGISTER ARRANGEMENT (BANK 0)................................................................................. 36
BYTES of SYSTEM REGISTER ................................................................................................................ 36
BITS of SYSTEM REGISTER.................................................................................................................... 37
POWER ON RESET ...................................................................................................................... 38
OVERVIEW................................................................................................................................................. 38
EXTERNAL RESET DESCRIPTION ......................................................................................................... 39
LOW VOLTAGE DETECTOR (LVD) DESCRIPTION............................................................................. 40
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Revision 1.94
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