AT89C51ID2-SLSIM Atmel, AT89C51ID2-SLSIM Datasheet - Page 55

• Manufacturer Part Number: AT89C51ID2-SLSIM
• Description: C51ID2 64KF TWI 32KHZ PLCC44 3-5.5V IND.
• Manufacturer: Atmel

Registers
Baud Rate Selection for
UART for Mode 1 and 3
55
AT89C51ID2
Table 35. SADEN Register
SADEN - Slave Address Mask Register (B9h)
Reset Value = 0000 0000b
Not bit addressable
Table 36. SADDR Register
SADDR - Slave Address Register (A9h)
Reset Value = 0000 0000b
Not bit addressable
The Baud Rate Generator for transmit and receive clocks can be selected separately via
the T2CON and BDRCON registers.
Figure 23. Baud Rate Selection
TIMER1
TIMER2
TIMER1
TIMER2
INT_BRG
INT_BRG
7
7
6
6
RCLK
TCLK
0
1
0
1
5
5
TIMER_BRG_RX
TIMER_BRG_TX
4
4
3
3
RBCK
TBCK
0
1
0
1
2
2
/ 16
/ 16
Rx Clock
Tx Clock
1
1
4289C–8051–11/05
0
0