AT89C51IC2 Atmel Corporation, AT89C51IC2 Datasheet - Page 54

• Manufacturer Part Number: AT89C51IC2
• Manufacturer: Atmel Corporation

Specifications of AT89C51IC2

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

UART Registers
54
AT89C51IC2
Table 40. SADEN Register
SADEN - Slave Address Mask Register for UART (B9h)
Reset Value = 0000 0000b
Table 41. SADDR Register
SADDR - Slave Address Register for UART (A9h)
Reset Value = 0000 0000b
Table 42. SBUF Register
SBUF - Serial Buffer Register for UART (99h)
Reset Value = XXXX XXXXb
Table 43. BRL Register
BRL - Baud Rate Reload Register for the internal baud rate generator, UART (9Ah)
Reset Value = 0000 0000b
7
7
7
7
6
6
6
6
5
5
5
5
4
4
4
4
3
3
3
3
2
2
2
2
1
1
1
1
4301D–8051–02/08
0
0
0
0