MC68HC912D60 Motorola, MC68HC912D60 Datasheet - Page 94
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MC68HC912D60
Manufacturer Part Number
MC68HC912D60
Description
Microcontrollers
Manufacturer
Motorola
Datasheet
1.MC68HC912D60.pdf
(460 pages)
- Current page: 94 of 460
- Download datasheet (4Mb)
Bus Control and Input/Output
PUCR — Pull-Up Control Register
Technical Data
94
RESET:
PUPH
Bit 7
1
PUPG
6
1
These bits select pull-up resistors for any pin in the corresponding port
that is currently configured as an input. This register is not in the map in
peripheral mode.
Read and write anytime.
PUPH — Pull-Up or Pull-Down Port H Enable
PUPG — Pull-Up or Pull-Down Port G Enable
PUPE — Pull-Up Port E Enable
PUPB — Pull-Up Port B Enable
PUPA — Pull-Up Port A Enable
This bit has no effect if port B is being used as part of the address/data
bus (the pull-ups are inactive).
This bit has no effect if port A is being used as part of the address/data
bus (the pull-ups are inactive).
Freescale Semiconductor, Inc.
For More Information On This Product,
0 = Port H pull-ups are disabled.
1 = Enable pull-up/down devices for all port H input pins.
0 = Port G pull-ups are disabled.
1 = Enable pull-up/down devices for all port G input pins.
0 = Port E pull-ups on PE7 and PE[3:0] are disabled.
1 = Enable pull-up devices for port E input pins PE7 and PE[3:0].
0 = Port B pull-ups are disabled.
1 = Enable pull-up devices for all port B input pins.
0 = Port A pull-ups are disabled.
1 = Enable pull-up devices for all port A input pins.
5
0
0
Bus Control and Input/Output
Go to: www.freescale.com
PUPE
4
1
3
0
0
2
0
0
PUPB
MC68HC912D60A — Rev 3.0
1
0
PUPA
Bit 0
0
MOTOROLA
$000C
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