SN8P1800
8-bit micro-controller build-in 12-bit ADC + 72 dots LCD driver
Table of Contents
AMENDMENT HISTORY.............................................................................................................. 2
1
PRODUCT OVERVIEW ................................................................................................... 10
GENERAL DESCRIPTION ......................................................................................................... 10
FEATURES SELECTION TABLE ............................................................................................... 10
ADC GRADE TABLE................................................................................................................... 10
FEATURES................................................................................................................................. 11
SYSTEM BLOCK DIAGRAM ...................................................................................................... 12
PIN ASSIGNMENT ..................................................................................................................... 13
PIN DESCRIPTIONS .................................................................................................................. 14
PIN CIRCUIT DIAGRAMS .......................................................................................................... 15
2
CODE OPTION TABLE ................................................................................................... 17
3
ADDRESS SPACES........................................................................................................ 18
PROGRAM MEMORY (ROM)..................................................................................................... 18
OVERVIEW............................................................................................................................. 18
USER RESET VECTOR ADDRESS (0000H).......................................................................... 19
INTERRUPT VECTOR ADDRESS (0008H)............................................................................ 19
CHECKSUM CALCULATION.................................................................................................. 21
GENERAL PURPOSE PROGRAM MEMORY AREA.............................................................. 22
LOOKUP TABLE DESCRIPTION............................................................................................ 22
JUMP TABLE DESCRIPTION................................................................................................. 24
DATA MEMORY (RAM).............................................................................................................. 26
OVERVIEW............................................................................................................................. 26
RAM BANK SELECTION ........................................................................................................ 27
WORKING REGISTERS............................................................................................................. 28
H, L REGISTERS.................................................................................................................... 28
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Revision 1.94