Block Diagram - Abov MC80F0304 User Manual

MC80F0304/08/16

2. BLOCK DIAGRAM

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