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MC68HSC705C8ACFS Datasheet(PDF) 83 Page - Freescale Semiconductor, Inc

Part # MC68HSC705C8ACFS
Description  M68HC05 Microcontrollers
PDF  222 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC68HSC705C8ACFS Datasheet(HTML) 83 Page - Freescale Semiconductor, Inc

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Parallel Input/Output (I/O)
Port B
MC68HC705C8A — Rev. 3
Technical Data
MOTOROLA
Parallel Input/Output (I/O)
7.4.3 Port B Logic
Figure 7-6 shows the port B I/O logic.
Figure 7-6. Port B I/O Logic
PB7
EXTERNAL
INTERRUPT
REQUEST
DATA DIRECTION
REGISTER B
BIT DDRB7
PORT B DATA
REGISTER
BIT PB7
READ $0005
WRITE $0001
READ $0001
RESET
WRITE $0005
PBPU7
FROM OTHER
VDD
PORT B PINS
D
C
Q
R
Q
I BIT
VDD
FROM CCR
RESET
EXTERNAL INTERRUPT VECTOR FETCH
IRQ
IRQ
FROM OPTION
REGISTER
IRQ
LATCH
FROM MOR1
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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