Datasheet

ManualsBrandsMICROCHIP TECHNOLOGY ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller LQFP 64 (10x10) 8-Bit 48 MHz I/O number 34

84

4337K–USB–04/08

AT89C5130A/31A-M

IEN1 - Interrupt Enable Register (B1h)

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.