MC80F0304/08/16
10
November 4, 2011 Ver 2.12
2. BLOCK DIAGRAM
ALU
Accumulator
Stack Pointer
Interrupt Controller
Data
Memory
10-bit
Converter
A/D
8-bit
Counter
Timer/
Program
Memory
Data Table
PC
8-bit Basic
Timer
Interval
Watch-dog
Timer
Instruction
R0
R1
Buzzer
Driver
PSW
System controller
Timing generator
System
Clock Controller
Clock Generator
RESET
R00 / INT3 / SCK
R01 / AN1 / SI
R02 / AN2 / SOUT
R03 / AN3 / INT2
R04 / AN4 / EC0 / RXD
R05 / AN5 / T0O / TXD
R06 / AN6 / T2O / ACLK
R07 / AN7 / EC1
R10 / AN0 / Avref / PWM1O
R11 / INT0 / PWM3O
R12 / INT1 / BUZO
R13
R14
V
DD
V
SS
Power
Supply
Decoder
High
PWM
Speed
R3
XOUT / R34
SIO/UART
R31 / AN14
R32 / AN15
XIN / R33
R2
R20
R21
R22
R23 / AN9
R24 / AN10
R25 / AN11
R26 / AN12
R27
R15
R16
R17 / AN8