56F8167 datasheet(157/184 Pages) FREESCALE

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Quad Timer Timing

56F8367 Technical Data, Rev. 7.0

Freescale Semiconductor

157

Preliminary

10.11 Quad Timer Timing

Figure 10-14 Timer Timing

10.12 Quadrature Decoder Timing

Table 10-19 Timer Timing1, 2

1. In the formulas listed, T = the clock cycle. For 60MHz operation, T = 16.67ns.

2. Parameters listed are guaranteed by design.

Characteristic

Symbol

Min

Max

Unit

See Figure

Timer input period

2T + 6

—

10-14

Timer input high / low period

PINHL

1T + 3

—

10-14

Timer output period

POUT

1T - 3

—

10-14

Timer output high / low period

POUTHL

0.5T - 3

—

10-14

Table 10-20 Quadrature Decoder Timing1, 2

1. In the formulas listed, T = the clock cycle. For 60MHz operation, T=16.67ns.

2. Parameters listed are guaranteed by design.

Characteristic

Symbol

Min

Max

Unit

See Figure

Quadrature input period

4T + 12

—

10-15

Quadrature input high / low period

PHL

2T + 6

—

10-15

Quadrature phase period

PPH

1T + 3

—

10-15

POUT

POUTHL

PINHL

Timer Inputs

Timer Outputs

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