Kbi i/o register summary – Freescale Semiconductor MC68HC08KH12 User Manual

Page 221

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MC68HC(7)08KH12

Rev. 1.1

Advance Information

Freescale Semiconductor

221

Table 15-1. KBI I/O Register Summary

Addr.

Register Name

Bit 7

6

5

4

3

2

1

Bit 0

$000C

Port D Keyboard Status and

Control Register

(KBDSCR)

Read:

0

0

0

0

KEYDF

0

IMASKD MODED

Write:

ACKD

Reset:

0

0

0

0

0

0

0

0

$000D

Port D Keyboard Interrupt

Enable Register

(KBDIER)

Read:

KBDIE7 KBDIE6 KBDIE5 KBDIE4 KBDIE3 KBDIE2 KBDIE1 KBDIE0

Write:

Reset:

0

0

0

0

0

0

0

0

$000E

Port E Keyboard Status and

Control Register

(KBESCR)

Read:

0

0

0

0

KEYEF

0

IMASKE MODEE

Write:

ACKE

Reset:

0

0

0

0

0

0

0

0

$000F

Port E Keyboard Interrupt

Enable Register

(KBEIER)

Read:

PEPE3

PEPE2

PEPE1

PEPE0

KBEIE3 KBEIE2 KBEIE1 KBEIE0

Write:

Reset:

0

0

0

0

0

0

0

0

$0040

Port F Keyboard Status and

Control Register

(KBFSCR)

Read:

0

0

0

0

KEYFF

0

IMASKF MODEF

Write:

ACKF

Reset:

0

0

0

0

0

0

0

0

$0041

Port F Keyboard Interrupt

Enable Register

(KBFIER)

Read:

KBFIE7 KBFIE6 KBFIE5 KBFIE4 KBFIE3 KBFIE2 KBFIE1 KBFIE0

Write:

Reset:

0

0

0

0

0

0

0

0

$0042

Port F Pull-up Enable

Register

(PFPER)

Read:

PFPE7

PFPE6

PFPE5

PFPE4

PFPE3

PFPE2

PFPE1

PFPE0

Write:

Reset:

1

1

1

1

1

1

1

1

= Unimplemented

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