Rainbow-electronics T89C5115 Manual do Utilizador descarregar pdf (Página 60)

60

T89C5115

4128A–8051–04/02

Table 38. T2MOD Register

T2MOD (S:C9h)

Timer 2 Mode Control Register

Reset Value = XXXX XX00b

Not bit addressable

Table 39. TH2 Register

TH2 (S:CDh)

Timer 2 High Byte Register

Reset Value = 0000 0000b

Not bit addressable

76543210

------T2OEDCEN

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.

1T2OE

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.

0 DCEN

Down Counter Enable bit

Clear to disable Timer 2 as up/down counter.

Set to enable Timer 2 as up/down counter.

76543210

--------

Bit

Number

Bit

Mnemonic Description

7-0 HighByteofTimer2.

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 104 105

T89C5115 1
4128A–8051–04/02 /xM 105

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