AT89C5132
Bit
Bit Number Mnemonic Description
Reserved
The value read from this bit is always 0. Do not set this bit.
7
6
5
4
-
EUSB
-
USB Interface Interrupt Enable Bit
Set this bit to enable USB interrupts.
Clear this bit to disable USB interrupts.
Reserved
The value read from this bit is always 0. Do not set this bit.
Keyboard Interface Interrupt Enable Bit
Set to enable Keyboard interrupt.
EKB
Clear to disable Keyboard interrupt.
A to D Converter Interrupt Enable Bit
Set to enable ADC interrupt.
Clear to disable ADC interrupt.
3
2
1
0
EADC
ESPI
SPI Controller Interrupt Enable Bit
Set to enable SPI interrupt.
Clear to disable SPI interrupt.
Two Wire Controller Interrupt Enable Bit
Set to enable Two Wire interrupt.
EI2C
Clear to disable Two Wire interrupt.
MMC Interface Interrupt Enable Bit
Set to enable MMC interrupt.
Clear to disable MMC interrupt.
EMMC
Reset Value = 0000 0000b
39
4173E–USB–09/07
ATMEL [ ATMEL ]
