參數(shù)資料
型號: MC68HC05C9AFN
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, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 113/160頁
文件大?。?/td> 4128K
代理商: MC68HC05C9AFN
NON-DISCLOSURE
AGREEMENT
REQUIRED
Input/Output Ports
General Release Specification
MC68HC05C9A Rev. 4.0
Input/Output Ports
Figure 7-2. Port B I/O Logic
DATA DIRECTION
REGISTER B
BIT DDRB7
PBX
EXTERNAL
INTERRUPT
REQUEST
PORT B DATA
REGISTER
BIT PB7
READ $0005
WRITE $0001
READ $0001
RESET
INTERNAL
D
AT
A
B
US
WRITE $0005
PORT B EXTERNAL INTERRUPT
FROM OTHER
VDD
PORT B PINS
D
C
Q
R
Q
I BIT
VDD
(FROM CCR)
RESET
EXTERNAL INTERRUPT VECTOR FETCH
IRQ
MASK OPTION
VDD
ENABLED
DISABLED
EDGE ONLY
EDGE AND LEVEL
SOFTWARE CONTROLLED OPTION
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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