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M68ICS08GR Datasheet(PDF) 224 Page - Freescale Semiconductor, Inc

Part # M68ICS08GR
Description  M68HC08 Microcontrollers
PDF  408 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

M68ICS08GR Datasheet(HTML) 224 Page - Freescale Semiconductor, Inc

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Input/Output Ports (I/O)
Technical Data
MC68HC908GR8 — Rev 4.0
224
Input/Output Ports (I/O)
MOTOROLA
16.6.3 Port D Input Pullup Enable Register
The port D input pullup enable register (PTDPUE) contains a software
configurable pullup device for each of the seven port D pins. Each bit is
individually configurable and requires that the data direction register,
DDRD, bit be configured as an input. Each pullup is automatically and
dynamically disabled when a port bit’s DDRD is configured for output
mode.
PTDPUE6–PTDPUE0 — Port D Input Pullup Enable Bits
These writeable bits are software programmable to enable pullup
devices on an input port bit.
1 = Corresponding port D pin configured to have internal pullup
0 = Corresponding port D pin has internal pullup disconnected
Address:
$000F
Bit 7
6
543
21
Bit 0
Read:
0
PTDPUE6 PTDPUE5 PTDPUE4 PTDPUE3 PTDPUE2 PTDPUE1 PTDPUE0
Write:
Reset:
00
000
000
Figure 16-16. Port D Input Pullup Enable Register (PTDPUE)
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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