AT89C51RE2-SLRUM Atmel, AT89C51RE2-SLRUM Datasheet - Page 75

• Manufacturer Part Number: AT89C51RE2-SLRUM
• Description: MCU 8051 128K FLASH 44-PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51RE2-SLRUM

• 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-PLCC
• 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
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89OCD-01
• 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

7663E–8051–10/08
Table 48. TH0 Register
TH0 (S:8Ch)
Timer 0 High Byte Register
Reset Value = 0000 0000b
Table 49. TL0 Register
TL0 (S:8Ah)
Timer 0 Low Byte Register
Reset Value = 0000 0000b
Table 50. TH1 Register
TH1 (S:8Dh)
Timer 1 High Byte Register
Reset Value = 0000 0000b
Bit Number
Bit Number
Bit Number
7:0
7:0
7:0
7
–
7
–
7
–
Mnemonic
Mnemonic
Mnemonic
Bit
Bit
Bit
6
–
6
–
6
–
Description
High Byte of Timer 0.
Description
Low Byte of Timer 0.
Description
High Byte of Timer 1.
5
–
5
–
5
–
4
–
4
–
4
–
3
–
3
–
3
–
2
–
2
–
2
–
AT89C51RE2
1
–
1
–
1
–
0
–
0
–
0
–
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