at89c51ac3-s3sim ATMEL Corporation, at89c51ac3-s3sim Datasheet - Page 77

• Manufacturer Part Number: at89c51ac3-s3sim
• Description: At89c51ac3 Enhanced 8-bit Microcontroller With 64kb Flash Memory
• Manufacturer: ATMEL Corporation

4383D–8051–02/08
Table 37. T2MOD Register
T2MOD (S:C9h)
Timer 2 Mode Control Register
Reset Value = XXXX XX00b
Not bit addressable
Table 38. TH2 Register
TH2 (S:CDh)
Timer 2 High Byte Register
Reset Value = 0000 0000b
Not bit addressable
Number
Number
Bit
Bit
7-0
7
7
-
-
7
6
5
4
3
2
1
0
Mnemonic Description
Mnemonic Description
DCEN
T2OE
Bit
Bit
6
6
-
-
-
-
-
-
-
-
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
Clear 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
Clear to disable timer 2 as up/down counter.
Set to enable timer 2 as up/down counter.
High Byte of Timer 2.
5
5
-
-
4
4
-
-
3
3
-
-
2
2
-
-
T2OE
1
1
-
DCEN
0
0
-
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