mc68hc05j1avp Freescale Semiconductor, Inc, mc68hc05j1avp Datasheet - Page 20

• Manufacturer Part Number: mc68hc05j1avp
• Description: M68hc05 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

General Description
1.5 MCU Structure
Technical Data
20
RESET
IRQ
OSC1
OSC2
V
V
DD
SS
RESET
OSCILLATOR
ILLEGAL ADDRESS
COP WATCHDOG
INTERNAL
0 0 0 0 0 0 0 0 1 1
0 0 0
POWER
Figure 1-1
CPU CONTROL
DETECT
Figure 1-1. MC68HC05J1A Block Diagram
AND
Freescale Semiconductor, Inc.
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0 0
M68HC05
USER ROM — 1240 BYTES
MCU
USER RAM — 64 BYTES
PROGRAM COUNTER
STACK POINTER
shows the structure of the MC68HC05J1A MCU.
BY TWO
DIVIDE
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CONDITION CODE REGISTER
1 1 1 H I N C Z
General Description
INDEX REGISTER
ARITHMETIC/LOGIC
ACCUMULATOR
INTERNAL CLOCK
MULTIFUNCTION
UNIT
TIMER
**
*
8-mA sink capability
External interrupt capability
MC68HC05J1A — Rev. 3.0
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
PB5
PB4
PB3
PB2
PB1
PB0
*
*
*
*
**
**
**
**
MOTOROLA