SN8P2740 Series
ADC, OP-amp, Comparator 8-Bit Micro-Controller
2
CENTRAL PROCESSOR UNIT (CPU)
2.1 PROGRAM MEMORY (ROM)
4K words ROM
ROM
User reset vector
Jump to user start address
0000H
Reset vector
0001H
.
.
General purpose area
Interrupt vector
0007H
0008H
User interrupt vector
User program
0009H
.
.
000FH
0010H
0011H
General purpose area
.
.
.
.
.
0FFCH
0FFDH
0FFEH
0FFFH
End of user program
Reserved
The ROM includes Reset vector, Interrupt vector, General purpose area and Reserved area. The Reset vector is
program beginning address. The Interrupt vector is the head of interrupt service routine when any interrupt occurring.
The General purpose area is main program area including main loop, sub-routines and data table.
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