ATWEBDVK-02WC Atmel, ATWEBDVK-02WC Datasheet - Page 74

• Manufacturer Part Number: ATWEBDVK-02WC
• Description: KIT DEV TCP/IP AT89C51RD2 WEBCAM
• Manufacturer: Atmel
• Series: @Webr

Specifications of ATWEBDVK-02WC

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: AT89C51RD2
• Primary Attributes: *
• Secondary Attributes: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

74
AT89C51RD2/ED2
Table 17-3.
IEN0 - Interrupt Enable Register (A8h)
Reset Value = 0000 0000b
Bit addressable
Number
EA
Bit
7
7
6
5
4
3
2
1
0
Mnemonic
IENO Register
ET2
ET1
EX1
ET0
EX0
EC
Bit
EA
EC
ES
6
Description
Enable All interrupt bit
Cleared to disable all interrupts.
Set to enable all interrupts.
PCA interrupt enable bit
Cleared to disable.
Set to enable.
Timer 2 overflow interrupt Enable bit
Cleared to disable timer 2 overflow interrupt.
Set to enable timer 2 overflow interrupt.
Serial port Enable bit
Cleared to disable serial port interrupt.
Set to enable serial port interrupt.
Timer 1 overflow interrupt Enable bit
Cleared to disable timer 1 overflow interrupt.
Set to enable timer 1 overflow interrupt.
External interrupt 1 Enable bit
Cleared to disable external interrupt 1.
Set to enable external interrupt 1.
Timer 0 overflow interrupt Enable bit
Cleared to disable timer 0 overflow interrupt.
Set to enable timer 0 overflow interrupt.
External interrupt 0 Enable bit
Cleared to disable external interrupt 0.
Set to enable external interrupt 0.
ET2
5
ES
4
ET1
3
EX1
2
ET0
1
4235K–8051–05/08
EX0
0