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M68HC05 Datasheet(PDF) 49 Page - Freescale Semiconductor, Inc

Part # M68HC05
Description  Microcontrollers
PDF  118 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

M68HC05 Datasheet(HTML) 49 Page - Freescale Semiconductor, Inc

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Port D
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
Freescale Semiconductor
49
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
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 REGISTER CONTROLLED
VDD
ENABLED
DISABLED
EDGE ONLY
EDGE AND LEVEL
SOFTWARE OR MASK OPTION REGISTER
CONTROLLED DEPENDENT ON CONFIGURATION



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