參數(shù)資料
型號(hào): MC68HC05J1AP
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 42/128頁
文件大小: 1650K
代理商: MC68HC05J1AP
Technical Data
MC68HC05J1A — Rev. 3.0
General Description
General Description
1.5 MCU Structure
Figure 1-1 shows the structure of the MC68HC05J1A MCU.
Figure 1-1. MC68HC05J1A Block Diagram
DA
TA
DI
RE
CTI
O
N
R
E
G
IS
T
E
R
B
POR
T
B
PB5
PB4
PB3
PB2
PB1
PB0
0
00
0
00
0 011
CPU CONTROL
ARITHMETIC/LOGIC
UNIT
ACCUMULATOR
INDEX REGISTER
STACK POINTER
0 00
PROGRAM COUNTER
00
M68HC05
MCU
RESET
CONDITION CODE REGISTER
111H I
N C Z
DA
TA
DI
RE
CTI
O
N
R
E
G
IS
T
E
R
A
PO
R
T
A
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
*
**
* 8-mA sink capability
** External interrupt capability
COP WATCHDOG
AND
INTERNAL
OSCILLATOR
DIVIDE
BY TWO
MULTIFUNCTION
TIMER
ILLEGAL ADDRESS
DETECT
POWER
CP
U
CL
O
CK
INTERNAL CLOCK
IRQ
VDD
VSS
OSC1
OSC2
USER ROM — 1240 BYTES
USER RAM — 64 BYTES
RESET
F
re
e
sc
a
le
S
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m
ic
o
n
d
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to
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I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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