AT89C51RE2-RLTUM Atmel, AT89C51RE2-RLTUM Datasheet - Page 113
AT89C51RE2-RLTUM
Manufacturer Part Number
AT89C51RE2-RLTUM
Description
MCU 8051 128K FLASH 44-VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51RE2-SLSUM.pdf
(187 pages)
Specifications of AT89C51RE2-RLTUM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
34
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
UART, SPI
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
34
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89OCD-01
Minimum Operating Temperature
- 40 C
Height
1.45 mm
Length
10.1 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Width
10.1 mm
For Use With
AT89STK-11 - KIT STARTER FOR AT89C51RX2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51RE2-RLTUM
Manufacturer:
MSC
Quantity:
1 560
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7663E–8051–10/08
Table 83. IPH0 Register
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
PPCH
PPCH
PX1H
PX0H
PT2H
PT1H
PT0H
PSH
Bit
6
-
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
PCA interrupt Priority high bit.
PPCH PPCL Priority Level
0
0
1
1
Timer 2 overflow interrupt Priority High bit
PT2H PT2L
0
0
1
1
Serial port Priority High bit
PSH
0
0
1
1
Timer 1 overflow interrupt Priority High bit
PT1H PT1L
0
0
1
1
External interrupt 1 Priority High bit
PX1H PX1L
0
0
1
1
Timer 0 overflow interrupt Priority High bit
PT0H PT0L
0
0
1
1
External interrupt 0 Priority High bit
PX0H PX0L
0
0
1
1
PT2H
5
0
1
0
1
0
1
0
1
PSL
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
PSH
4
PT1H
3
PX1H
2
AT89C51RE2
PT0H
1
PX0H
0
113
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