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AT89C5131A-RDTIL Datasheet(PDF) 81 Page - ATMEL Corporation

Part # AT89C5131A-RDTIL
Description  8-bit Flash Microcontroller with Full Speed USB Device
PDF  186 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C5131A-RDTIL Datasheet(HTML) 81 Page - ATMEL Corporation

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81
AT89C5131A-L
4338F–USB–08/07
Table 64. IEN1 Register
IEN1 - Interrupt Enable Register (B1h)
Reset Value = X0XX X000b
Not bit addressable
7
6
5
4
3
2
1
0
-
EUSB
-
-
-
ESPI
ETWI
EKB
Bit
Number
Bit
Mnemonic
Description
7
-
Reserved
6
EUSB
USB Interrupt Enable bit
Cleared to disable USB interrupt.
Set to enable USB interrupt.
5
-
Reserved
4
-
Reserved
3
-
Reserved
2
ESPI
SPI interrupt Enable bit
Cleared to disable SPI interrupt.
Set to enable SPI interrupt.
1
ETWI
TWI interrupt Enable bit
Cleared to disable TWI interrupt.
Set to enable TWI interrupt.
0
EKB
Keyboard interrupt Enable bit
Cleared to disable keyboard interrupt.
Set to enable keyboard interrupt.



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