AT80C32X2-RLRUM Atmel, AT80C32X2-RLRUM Datasheet - Page 25

• Manufacturer Part Number: AT80C32X2-RLRUM
• Description: MCU ROMLESS 32X2 3V 44-VQFP
• Manufacturer: Atmel
• Series: 80Cr

Specifications of AT80C32X2-RLRUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/20MHz
• Connectivity: UART/USART
• Peripherals: POR
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

4184I–8051–02/08
Table 14. IPH Register
IPH - Interrupt Priority High Register (B7h)
Reset Value = XX00 0000b
Not bit addressable
Number
Bit
7
6
5
4
3
2
1
0
7
-
Mnemonic Description
PT2H
PT1H
PX1H
PT0H
PX0H
PSH
Bit
-
-
6
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Timer 2 overflow interrupt Priority High bit
Serial port Priority High bit
Timer 1 overflow interrupt Priority High bit
External interrupt 1 Priority High bit
Timer 0 overflow interrupt Priority High bit
External interrupt 0 Priority High bit
PT2H PT2
0
0
1
1
PSH
0
0
1
1
PT1H PT1
0
0
1
1
PX1H PX1 Priority Level
0
0
1
1
PT0H PT0
0
0
1
1
PX0H PX0 Priority Level
0
0
1
1
PT2H
5
0
1
0
1
PS
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Lowest
Highest
Priority Level
Lowest
Highest
Lowest
Highest
PSH
4
PT1H
3
PX1H
2
PT0H
1
PX0H
0
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