Datasheet

Keyboard Interrupt Module (KBI)
Technical Data MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
228 Keyboard Interrupt Module (KBI) Freescale Semiconductor
14.3 Features
Features of the keyboard interrupt module include:
• Eight keyboard interrupt pins with separate keyboard interrupt
enable bits and one keyboard interrupt mask
• Hysteresis buffers
• Programmable edge-only or edge- and level-interrupt sensitivity
• Exit from low-power modes
14.4 Pin Name Conventions
The KBI share eight I/O pins with eight port A I/O pins. The full name of
the I/O pins are listed in Table 14-1. The generic pin name appear in the
text that follows.
Table 14-1. KBI Pin Name Conventions
Full KBI Pin Names: KBI Generic Pin Names:
PTA7/KBA7
KBA7
PTA7/KBA6 KBA6
PTA7/KBA5 KBA5
PTA7/KBA4 KBA4
PTA7/KBA3 KBA3
PTA7/KBA2 KBA2
PTA7/KBA1 KBA1
PTA7/KBA0 KBA0