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HC805K3GRS/D Datasheet(PDF) 64 Page - NXP Semiconductors

Part # HC805K3GRS/D
Description  The low-cost MC68HC805K3 microcontroller is a member of the M68HC805 Family of microprocessors.
PDF  119 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

HC805K3GRS/D Datasheet(HTML) 64 Page - NXP Semiconductors

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General Release Specification
Port B
MC68HC805K3 — Rev. 1.0
64
Parallel Input/Output
Figure 7-3. Port B I/O Circuitry
WRITE $0011
READ $0001
WRITE $0001
READ $0005
WRITE $0005
WRITE $0001
READ $0001
READ $0005
WRITE $0005
MASK OPTION
FOR RC OSCILLATOR
FROM 3-PIN
RC OSCILLATOR
INTERNAL
HC05 DATA BUS
PB1
OSC3
I/O PIN
DATA
REGISTER BIT
OUTPUT
DATA DIRECTION
REGISTER B
MASK OPTION FOR
3-PIN RC OSCILLATOR)
DATA
REGISTER BIT
PB0
PIN
OUTPUT
MASK OPTION TO
INHIBIT SOFTWARE PULLDOWNS
RESET
(RST)
DATA DIRECTION
REGISTER BIT
PULLDOWN
REGISTER BIT
WRITE $0011
PULLDOWN
REGISTER BIT
VDD
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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