mc68hc05p4a Freescale Semiconductor, Inc, mc68hc05p4a Datasheet - Page 13

• Manufacturer Part Number: mc68hc05p4a
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
I/O LINES
PORT B
I/O LINES
I/O LINES
PORT A
PORT D
TCAP/PD7
TCMP
SDO/PB5
SCK/PB7
SDI/PB6
PD5
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
SYSTEM
PORT B
A REG
TIMER
D REG
PORT
PORT
REG
DIR REG
DIR REG
DIR REG
DATA
DATA
DATA
PROCESSOR
INTERNAL
CLOCK
MC68HC05P4A Data Sheet, Rev. 7.1
SELF-CHECK
USER ROM
Figure 1-1. Block Diagram
4160 X 8
240 X 8
ACCUMULATOR
ROM
CONDITION
POINTER
PROGRAM
PROGRAM
REGISTER
REGISTER
COUNTER
COUNTER
STACK
INDEX
CODE
HIGH
LOW
OSCILLATOR
AND DIVIDE
OSC1 OSC2
BY ³ 2
176 X 8
RAM
CONTROL
CPU
CPU
ALU
SYSTEM
COP
DIR REG
RESET
DATA
IRQ
C REG
PORT
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
MCU Structure
I/O LINES
PORT C
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