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M68ICS08GR Datasheet(PDF) 219 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) 219 Page - Freescale Semiconductor, Inc

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Input/Output Ports (I/O)
Port C
MC68HC908GR8 — Rev 4.0
Technical Data
MOTOROLA
Input/Output Ports (I/O)
219
16.5.3 Port C Input Pullup Enable Register
The port C input pullup enable register (PTCPUE) contains a software
configurable pullup device for each of the two port C pins. Each bit is
individually configurable and requires that the data direction register,
DDRC, bit be configured as an input. Each pullup is automatically and
dynamically disabled when a port bit’s DDRC is configured for output
mode.
PTCPUE1–PTCPUE0 — Port C Input Pullup Enable Bits
These writeable bits are software programmable to enable pullup
devices on an input port bit.
1 = Corresponding port C pin configured to have internal pullup
0 = Corresponding port C pin internal pullup disconnected
Address:
$000E
Bit 7
6
543
21
Bit 0
Read:
0
0
0
0
0
0
PTCPUE1 PTCPUE0
Write:
Reset:
0
0
000
000
= Unimplemented
Figure 16-12. Port C Input Pullup Enable Register (PTCPUE)
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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