Rainbow-electronics T89C51AC2 Manual do Utilizador descarregar pdf (Página 79)

79

T89C51AC2

Rev. B – 19-Dec-01

Table 41. CH Register

CH (S:F9h)

PCA Counter Register High

value

Reset Value = 0000 00000b

Table 42. CL Register

CL (S:E9h)

PCA counter Register Low value

Reset Value = 0000 00000b

76543210

CH 7 CH 6 CH 5 CH 4 CH 3 CH 2 CH 1 CH 0

Bit

Number

Bit

Mnemonic Description

7:0 CH 7:0 High byte of Timer/Counter

76543210

CL 7 CL 6 CL 5 CL 4 CL 3 CL 2 CL 1 CL 0

Bit

Number

Bit

Mnemonic Description

7:0 CL0 7:0 Low byte of Timer/Counter

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 109 110

T89C51AC2 1

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