AT89C51ID2 Atmel Corporation, AT89C51ID2 Datasheet - Page 59

• Manufacturer Part Number: AT89C51ID2
• Manufacturer: Atmel Corporation

Specifications of AT89C51ID2

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 32
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 2
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

59
AT89C51ID2
Table 43. SBUF Register
SBUF - Serial Buffer Register for UART (99h)
Reset Value = XXXX XXXXb
Table 44. BRL Register
BRL - Baud Rate Reload Register for the internal baud rate generator, UART (9Ah)
Reset Value = 0000 0000b
7
7
6
6
5
5
4
4
3
3
2
2
1
1
4289C–8051–11/05
0
0