參數(shù)資料
型號: MC68HC05P8EVS
廠商: Motorola, Inc.
英文描述: HCMOS MICROCONTROLLER UNIT
中文描述: HCMOS微控制器
文件頁數(shù): 14/82頁
文件大?。?/td> 327K
代理商: MC68HC05P8EVS
MOTOROLA
1-2
INTRODUCTION
MC68HC705J2
Rev. 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
One Time Programmable 20-Pin Small Outline Integrated Circuit (SOIC)
Windowed 20-Pin Cerdip
1.2 Structure
Figure 1-1
shows the organization of the MC68HC705J2 EPROM MCU.
Figure 1-1. MC68HC705J2 Block Diagram
N Z
RESET
POWER
OSCILLATOR
SRAM— 112 BYTES
USER EPROM — 2064 BYTES
OSC1
OSC2
DD
SS
V
V
P
PA5
PA4
PA6
PA7
P
PB0
PB1
PB2
PB3
PB4
PB5
DIVIDE
BY 2
15-STAGE
MULTIFUNCTION TIMER
COP TIMER
AND
ILLEGAL ADDRESS DETECT
ACCUMULATOR
M68HC05
CPU
fop
D
RST
PA2
PA1
PA3
PA0
IRQ/VPP
7
0
INDEX REGISTER
7
0
STACK POINTER
7
0
PROGRAMCOUNTER
11
0
CONDITION CODE REGISTER
7
1 1 1 H I
0
C
5
15
0 0 0 0 0
0 0 0 0 0 0 0 0 1 1
BOOTLOADER ROM— 239 BYTES
15
D
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