mc68hc705j2 Freescale Semiconductor, Inc, mc68hc705j2 Datasheet - Page 11
mc68hc705j2
Manufacturer Part Number
mc68hc705j2
Description
8-bit Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC705J2.pdf
(78 pages)
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1.2
MOTOROLA
1-2
Structure
Figure 1-1 shows the organization of the MC68HC705J2 EPROM MCU.
IRQ/V PP
RESET
OSC1
OSC2
V
V
DD
SS
Figure 1-1. MC68HC705J2 Block Diagram
RST
OSCILLATOR
ILLEGAL ADDRESS DET
POWER
M68HC05
15
15
0 0 0 0 0 0 0 0 1 1
0 0 0 0 0
CPU
BOOTLOADER ROM — 239 B
COP TIMER
USER EPROM — 2064 BY
AND
SRAM — 112 BYT
11
DIVIDE
BY 2
INTRODUCTION
7
7
7
7
1 1 1 H I N Z C
CONDITION CODE REGISTE
5
PROGRAM COUNTE
f op
INDEX REGISTER
STACK POINTE
ACCUMULATO
0
0
0
0
0
MULTIFUNCTION TIME
15-STAGE
MC68HC705J2
PB5
PB4
PB3
PB2
PB1
PB0
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
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