AT89C51RE2 Atmel Corporation, AT89C51RE2 Datasheet - Page 97

• Manufacturer Part Number: AT89C51RE2
• Manufacturer: Atmel Corporation

Specifications of AT89C51RE2

• Flash (kbytes): 128 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Spi: 1
• Uart: 2
• Sram (kbytes): 8.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART/OCD
• Watchdog: Yes

Registers
7663E–8051–10/08
Table 62. SADEN_0 Register
SADEN - Slave Address Mask Register UART 0(B9h)
Reset Value = 0000 0000b
Not bit addressable
Table 63. SADDR_0 Register
SADDR - Slave Address Register UART 0(A9h)
Reset Value = 0000 0000b
Not bit addressable
Table 64. SADEN_1 Register
SADEN_1 - Slave Address Mask Register UART 1(BAh)
Reset Value = 0000 0000b
Not bit addressable
Table 65. SADDR_1 Register
SADDR_1 - Slave Address Register UART 1(AAh)
Reset Value = 0000 0000b
Not bit addressable
7
7
7
7
6
6
6
6
5
5
5
5
4
4
4
4
3
3
3
3
2
2
2
2
AT89C51RE2
1
1
1
1
0
0
0
0
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