AT89C5131A-RDTIM Atmel, AT89C5131A-RDTIM Datasheet - Page 87
AT89C5131A-RDTIM
Manufacturer Part Number
AT89C5131A-RDTIM
Description
C5131A 32K FLASH USB VQFP64 IND, 5V
Manufacturer
Atmel
Datasheet
1.AT89C5131A-RDTIM.pdf
(176 pages)
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AT89C5131
Table 70. KBE Register
KBE - Keyboard Input Enable Register (9Dh)
Reset Value = 0000 0000b
Number
KBE7
Bit
7
7
6
5
4
3
2
1
0
Mnemonic Description
KBE6
KBE7
KBE6
KBE5
KBE4
KBE3
KBE2
KBE1
KBE0
Bit
6
Keyboard line 7 Enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.7 bit in KBF register to generate an interrupt request.
Keyboard line 6 Enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.6 bit in KBF register to generate an interrupt request.
Keyboard line 5 Enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.5 bit in KBF register to generate an interrupt request.
Keyboard line 4 Enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.4 bit in KBF register to generate an interrupt request.
Keyboard line 3 Enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.3 bit in KBF register to generate an interrupt request.
Keyboard line 2 Enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.2 bit in KBF register to generate an interrupt request.
Keyboard line 1 Enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.1 bit in KBF register to generate an interrupt request.
Keyboard line 0 Enable bit
Cleared to enable standard I/O pin.
Set to enable KBF.0 bit in KBF register to generate an interrupt request.
KBE5
5
KBE4
4
KBE3
3
KBE2
2
KBE1
1
4136C–USB–04/05
KBE0
0
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