AT89C51RE2-SLRUM Atmel, AT89C51RE2-SLRUM Datasheet - Page 147

• 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

7663D–8051–10/08
Table 109. SSCS (094h) read - Synchronous Serial Control and Status Register
Table 110. SSCS Register: Read Mode - Reset Value = F8h
Table 111. SSADR (096h) - Synchronus Serial Address Register (read/write)
Table 112. SSADR Register - Reset value = FEh
Number
Number
Number
SC4
Bit
Bit
Bit
A7
1
0
7
0
1
2
3
4
5
6
7
7
7
6
5
4
3
2
1
Mnemonic Description
Mnemonic Description
Mnemonic Description
SD1
SD0
SC3
SC0
SC1
SC2
SC3
SC4
Bit
Bit
Bit
A6
A7
A6
A5
A4
A3
A2
A1
6
0
0
0
6
Address bit 1 or Data bit 1.
Address bit 0 (R/W) or Data bit 0.
Always zero
Always zero
Always zero
Status Code bit 0
See to Table 106.
Status Code bit 1
See to Table 106.
Status Code bit 2
See to Table 106.
Status Code bit 3
See to Table 106.
Status Code bit 4
See to Table 106.
Slave Address bit 7
Slave Address bit 6
Slave Address bit 5
Slave Address bit 4
Slave Address bit 3
Slave Address bit 2
Slave Address bit 1
SC2
A5
5
5
SC1
A4
4
4
SC0
A3
3
3
A2
2
0
2
AT89C51RE2
A1
1
0
1
A0
0
0
0
147