at89c51rd2-smsum ATMEL Corporation, at89c51rd2-smsum Datasheet - Page 34
at89c51rd2-smsum
Manufacturer Part Number
at89c51rd2-smsum
Description
8-bit Flash Microcontroller
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C51RD2-SMSUM.pdf
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34
AT89C51RD2/ED2
Table 12-2.
T2MOD - Timer 2 Mode Control Register (C9h)
Reset Value = XXXX XX00b
Not bit addressable
Number
Bit
7
7
6
5
4
3
2
1
0
-
Mnemonic
T2MOD Register
DCEN
T2OE
Bit
6
-
-
-
-
-
-
-
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Timer 2 Output Enable bit
Cleared to program P1.0/T2 as clock input or I/O port.
Set to program P1.0/T2 as clock output.
Down Counter Enable bit
Cleared to disable Timer 2 as up/down counter.
Set to enable Timer 2 as up/down counter.
5
-
4
-
3
-
2
-
T2OE
1
4235J–8051–01/08
DCEN
0
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