AT89C51ED2-RDRIM Atmel, AT89C51ED2-RDRIM Datasheet - Page 76
![IC MCU FLASH 8051 64K 5V 64-VQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT89C51ED2-RDRIM
Manufacturer Part Number
AT89C51ED2-RDRIM
Description
IC MCU FLASH 8051 64K 5V 64-VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.ATWEBDVK-02RC.pdf
(137 pages)
Specifications of AT89C51ED2-RDRIM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
50
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
Other names
AT89C51ED2RDRIMTR
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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
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