MC68HC908QY2 MOTOROLA [Motorola, Inc], MC68HC908QY2 Datasheet - Page 178

• Manufacturer Part Number: MC68HC908QY2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Keyboard Interrupt Module (KBI)
14.3 Features
178
$001A
$001B
Addr.
MC68HC908QY4•MC68HC908QT4•MC68HC908QY2•MC68HC908QT2•MC68HC908QY1•MC68HC908QT1
Keyboard Interrupt Enable
Register Name
and Control Register
Register (KBIER)
Keyboard Status
See page 183.
See page 184.
(KBSCR)
Features of the keyboard interrupt module include:
Figure 14-1
Reset:
Reset:
Read:
Read:
Write:
Write:
•
•
•
•
•
Figure 14-1. KBI I/O Register Summary
Six keyboard interrupt pins with separate keyboard interrupt
enable bits and one keyboard interrupt mask
One internal interrupt controlled by the auto wake-up logic, with
separate interrupt enable bit, sharing the same keyboard interrupt
mask
Software configurable pullup device if input pin is configured as
input port bit
Programmable edge-only or edge and level interrupt sensitivity
Exit from low-power modes
Bit 7
0
0
0
0
Keyboard Interrupt Module (KBI)
provides a summary of the input/output (I/O) registers
= Unimplemented
AWUIE
6
0
0
0
KBIE5
5
0
0
0
KBIE4
4
0
0
0
KBIE3
KEYF
3
0
0
KBIE2
ACKK
2
0
0
0
IMASKK
KBIE1
1
0
0
MOTOROLA
MODEK
KBIE0
Bit 0
0
0