AT89C51CC03C-RLTIM 查看數據表（PDF） - Atmel Corporation

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AT89C51CC03C-RLTIM

Enhanced 8-bit MCU with CAN Controller and Flash Memory

Atmel Corporation 

Table 37. T2MOD Register

T2MOD (S:C9h)

Timer 2 Mode Control Register

7

6

5

4

3

2

1

-

-

-

-

-

-

T2OE

Bit

Bit

Number Mnemonic Description

7

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

6

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

5

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

4

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

3

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

2

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

Timer 2 Output Enable bit

1

T2OE 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

0

DCEN Clear to disable timer 2 as up/down counter.

Set to enable timer 2 as up/down counter.

Reset Value = XXXX XX00b

Not bit addressable

Table 38. TH2 Register

TH2 (S:CDh)

Timer 2 High Byte Register

7

6

5

4

3

2

1

-

-

-

-

-

-

-

Bit

Bit

Number Mnemonic Description

7-0

High Byte of Timer 2.

Reset Value = 0000 0000b

Not bit addressable

0

DCEN

0

-

80 AT89C51CC03

4182K–CAN–05/06

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