AT89C5131A-RDTIM Atmel, AT89C5131A-RDTIM Datasheet - Page 81
AT89C5131A-RDTIM
Manufacturer Part Number
AT89C5131A-RDTIM
Description
C5131A 32K FLASH USB VQFP64 IND, 5V
Manufacturer
Atmel
Datasheet
1.AT89C5131A-RDTIM.pdf
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AT89C5131
Table 65. IEN1 Register
IEN1 - Interrupt Enable Register (B1h)
Reset Value = X0XX X000b
Not bit addressable
Number
Bit
7
6
5
4
3
2
1
0
7
-
Mnemonic
EUSB
EUSB
ETWI
ESPI
EKB
Bit
6
-
-
-
-
Description
Reserved
USB Interrupt Enable bit
Cleared to disable USB interrupt.
Set to enable USB interrupt.
Reserved
Reserved
Reserved
SPI interrupt Enable bit
Cleared to disable SPI interrupt.
Set to enable SPI interrupt.
TWI interrupt Enable bit
Cleared to disable TWI interrupt.
Set to enable TWI interrupt.
Keyboard interrupt Enable bit
Cleared to disable keyboard interrupt.
Set to enable keyboard interrupt.
5
-
4
-
3
-
ESPI
2
ETWI
1
4136C–USB–04/05
EKB
0
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