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Rainbow Electronics AT89C5131 User Manual

Page 68

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68

AT89C5131

4136A–USB–03/03

Reset Value = XXXX XX00b
Not bit addressable

Table 51. T2MOD Register
T2MOD - Timer 2 Mode Control Register (C9h)

7

6

5

4

3

2

1

0

-

-

-

-

-

-

T2OE

DCEN

Bit

Number

Bit

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.

1

T2OE

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.

0

DCEN

Down Counter Enable bit
Cleared to disable Timer 2 as up/down counter.
Set to enable Timer 2 as up/down counter.