Hardware manual

Common Features Description
2-38 Atmel 8051 Microcontrollers Hardware Manual
4316A–8051–01/04
Table 2-7. TL0 Register - TL0 (S:8Ah)
Timer 0 Low Byte Register
Reset Value = 0000 0000b
Table 2-8. TH1 Register - TH1 (S:8Dh)
Timer 1 High Byte Register
Reset Value = 0000 0000b
Table 2-9. TL1 Register - TL1 (S:8Bh)
Timer 1 Low Byte Register
Reset Value = 0000 0000b
When Timer 0 is in Mode 3, Timer 1 can be turned on and off by switching it out of and
into its own Mode 3, or can still be used by the serial port as a baud rate generator, or in
fact, in any application not requiring an interrupt.
76543210
Bit
Number
Bit
Mnemonic Description
7:0 Low Byte of Timer 0.
76543210
Bit
Number
Bit
Mnemonic Description
7:0 High Byte of Timer 1.
76543210
Bit
Number
Bit
Mnemonic Description
7:0 Low Byte of Timer 1.