ATWEBDVK-02WC Atmel, ATWEBDVK-02WC Datasheet - Page 76

• 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

76
AT89C51RD2/ED2
Table 17-5.
IPH0 - Interrupt Priority High Register (B7h)
Reset Value = X000 0000b
Not bit addressable
Number
Bit
7
7
6
5
4
3
2
1
0
-
Mnemonic
IPH0 Register
PPCH
PPCH
PT2H
PT1H
PX1H
PT0H
PX0H
PSH
Bit
6
-
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
PCA interrupt Priority high bit.
PPCHPPCL Priority Level
0
0
1
1
Timer 2 overflow interrupt Priority High bit
PT2HPT2L
0
0
1
1
Serial port Priority High bit
PSH PSLPriority Level
0
0
1
1
Timer 1 overflow interrupt Priority High bit
PT1HPT1L Priority Level
0
0
1
1
External interrupt 1 Priority High bit
PX1HPX1LPriority Level
0
0
1
1
Timer 0 overflow interrupt Priority High bit
PT0HPT0LPriority Level
0
0
1
1
External interrupt 0 Priority High bit
PX0H PX0LPriority Level
0
0
1
1
PT2H
0 Lowest
1
0
1Highest
5
0Lowest
1
0
1Highest
0Lowest
1
0
1Highest
0 Lowest
1
0
1 Highest
0Lowest
1
0
1Highest
0Lowest
1
0
1Highest
0Lowest
1
0
1Highest
Priority Level
PSH
4
PT1H
3
PX1H
2
PT0H
1
4235K–8051–05/08
PX0H
0