XC68HC08KH12 Motorola, XC68HC08KH12 Datasheet - Page 239

• Manufacturer Part Number: XC68HC08KH12
• Description: MICROCONTROLLER
• Manufacturer: Motorola

15.6.3.3 Port-F Pull-up Enable Register
15.7 Wait Mode
15.8 Stop Mode
15.9 Keyboard Module During Break Interrupts
MC68HC(7)08KH12
MOTOROLA
—
Rev. 1.0
Address: $0042
The pulll-up enable register enables or disables the pull-up device for
port F.
PFPE7–PFPE0 — Port F pull-up enable bits
The keyboard modules remain active in wait mode. Clearing the IMASKx
bit in the keyboard status and control register enables keyboard interrupt
requests to bring the MCU out of wait mode.
The keyboard modules remain active in stop mode. Clearing the
IMASKx bit in the keyboard status and control register enables keyboard
interrupt requests to bring the MCU out of stop mode.
The system integration module (SIM) controls whether the keyboard
interrupt latch cam be cleared during the break state. The BCFE bit in
Reset:
Read:
Write:
These read/write bits enable/disable the pull-up device. Reset sets
DDRF7–DDRF0 to ‘1’s, enabling all port F pull-up devices.
1 = Corresponding port F pin pull-up device enabled
0 = Corresponding port F pin pull-up device disabled
Figure 15-10. Port F Pull-up Enable Register (PFPER)
PFPE7
Bit 7
1
Keyboard Interrupt Module (KBI)
PFPE6
6
1
PFPE5
5
1
PFPE4
4
1
PFPE3
3
1
Keyboard Interrupt Module (KBI)
PFPE2
2
1
Advance Information
PFPE1
1
1
Wait Mode
PFPE0
Bit 0
1
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