EM78F651N
8-Bit Microcontroller
5
Block Diagram
Flash
ROM
PC
Crystal
Int.
RC
Ext.
RC
Instruction
Register
5-level stack
(13 bit)
Oscillation
Generator
WDT
Reset
P7
P77
Instruction
Decoder
TCC
TCC
Mux
ALU
P6
P60
P61
P62
P63
P64
P65
P66
P67
R4
RAM
ACC
R3
(Status Reg.)
Interrupt
Control
Register
LVD
LVR
P5
P50
P51
P52
P53
P54
P55
P56
P57
Interrupt
Circuit
EEPROM
Ext INT
Fig. 5-1 Functional Block Diagram
Product Specification (V1.1) 10.20.2006
(This specification is subject to change without further notice)
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5