MC68HC908AB32 MOTOROLA [Motorola, Inc], MC68HC908AB32 Datasheet - Page 351

• Manufacturer Part Number: MC68HC908AB32
• Description: HCMOS Microcontroller Unit
• Manufacturer: MOTOROLA [Motorola, Inc]

19.5.3 Keyboard Interrupt Enable Register
19.6 Wait Mode
19.7 Stop Mode
MC68HC908AB32
MOTOROLA
—
Rev. 1.0
Address:
Port Pin:
The keyboard interrupt enable register enables or disables the
corresponding port pin to operate as a keyboard interrupt pin.
KBIE4–KBIE0 — Keyboard Interrupt Enable Bits
The keyboard modules remain active in wait mode. Clearing the
IMASKK bit in the keyboard status and control register enables keyboard
interrupt requests to bring the MCU out of wait mode.
The keyboard module remains active in stop mode. Clearing the
IMASKK bit in the keyboard status and control register enables keyboard
interrupt requests to bring the MCU out of stop mode.
Reset:
Read:
Write:
Each of these read/write bits enables the corresponding keyboard
interrupt pin to latch interrupt requests. Reset clears the keyboard
interrupt enable register.
Freescale Semiconductor, Inc.
Figure 19-4. Keyboard Interrupt Enable Register (KBIER)
For More Information On This Product,
1 = KBDx pin enabled as keyboard interrupt pin
0 = KBDx pin not enabled as keyboard interrupt pin
$0021
Bit 7
0
0
Keyboard Interrupt Module (KBI)
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6
0
0
5
0
0
PTH1/
KBD4
KBIE4
4
0
PTH0/
KBD3
KBIE3
3
0
Keyboard Interrupt Module (KBI)
PTG2/
KBD2
KBIE2
2
0
PTG1/
KBD1
KBIE1
1
0
Technical Data
Wait Mode
/KBD0
PTG0
KBIE0
Bit 0
0
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