MC68HC908JL8 MOTOROLA [Motorola, Inc], MC68HC908JL8 Datasheet - Page 242

• Manufacturer Part Number: MC68HC908JL8
• Description: Motorola reserves the right to make changes without further notice to any products herein
• Manufacturer: MOTOROLA [Motorola, Inc]

Keyboard Interrupt Module (KBI)
15.3 Features
15.4 I/O Pins
Technical Data
242
$001A
$001B
Addr.
NOTES:
1. PTA6/KBI6 is only available when OSCSEL=0 at $FFD0 (RC option), and PTA6EN=1 at $000D.
Generic Pin Name
Register Name
Keyboard Status and
Keyboard Interrupt
KBI0–KBI5
Control Register
Enable Register
KBI6
KBI7
KBI
(KBSCR)
(KBIER)
Features of the keyboard interrupt module include the following:
The eight keyboard interrupt pins are shared with standard port I/O pins.
The full name of the KBI pins are listed in
name appear in the text that follows.
Reset:
Reset:
Read:
Read:
Write:
Write:
Freescale Semiconductor, Inc.
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•
•
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Figure 15-1. KBI I/O Register Summary
For More Information On This Product,
Table 15-1. Pin Name Conventions
Eight keyboard interrupt pins with pull-up devices
Separate keyboard interrupt enable bits and one keyboard
interrupt mask
Programmable edge-only or edge- and level- interrupt sensitivity
Exit from low-power modes
KBIE7
Bit 7
OSC2/RCCLK/PTA6/KBI6
0
0
0
Keyboard Interrupt Module (KBI)
PTA0/KBI0–PTA5/KBI5
Full MCU Pin Name
Go to: www.freescale.com
= Unimplemented
PTA7/KBI7
KBIE6
6
0
0
0
KBIE5
5
0
0
0
(1)
KBIE4
4
0
0
0
Pin Selected for KBI Function by
KBIE3
KEYF
Table
KBIEx Bit in KBIER
3
0
0
KBIE0–KBIE5
KBIE6
KBIE7
MC68HC908JL8
15-1. The generic pin
ACKK
KBIE2
2
0
0
0
IMASKK
KBIE1
1
0
0
MOTOROLA
—
MODEK
Rev. 2.0
KBIE0
Bit 0
0
0