MC80F0424 Datasheet, PDF (8/135 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS

MC80F0424/0432/0448
2. BLOCK DIAGRAM
Preliminary
ADC Power
Supply
Power
Supply
R00~R07
R20~R23
R0
R2
R30
R31 / ACLK1
R32 / RxD1
R33 / TxD1
R34
R35
R36
R37
R3
PSW
System controller
System
Clock Controller
Sub System
Clock Controller
Timing Generator
Clock
Generator
ALU
A
X
Y
SP
8-bit Basic
Interval
Timer
Watch/
Watchdog
Timer
Interrupt Controller
8-bit
Timer/
Counter
10-bit
PWM
Data
Memory
(1.5K bytes)
8-bit serial
Interface
SIO/UART0
PC
UART1
Program
Memory
Data Table
10-bit
ADC
Instruction
Decoder
Driver
Buzzer
R1
R5
R4
R6
R7
R10 / INT0
R11 / INT1
R12 / INT2
R13 / BUZO
R14 / T0O
R15 / EC0
R16
R17
R50 / INT3
R51 / EC1
R52 / T2O
R53 / PWM1O / T1O
R54 / PWM3O / T3O
R40
R41
R42 / SCK
R43 / SI
R44 / SO
R45 / ACLK0
R46 / RxD0
R47 / TxD0
R60 / AN0
R61 / AN1
R62 / AN2
R63 / AN3
R64 / AN4
R65 / AN5
R66 / AN6
R67 / AN7
R70 / AN8
R71 / AN9
R72 / AN10
R73 / AN11
R74 / AN12
R75 / AN13
R76 / AN14
R77 / AN15
4
MAR. 2005 Ver 0.2