參數(shù)資料
型號: MC68HC05C9ECP
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, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 40/106頁
文件大?。?/td> 659K
代理商: MC68HC05C9ECP
Port D
MC68HC05C9E Advance Information Data Sheet, Rev. 0.1
Freescale Semiconductor
39
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
INTERN
AL
D
AT
A
B
U
S
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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