MC33690 Ver la hoja de datos (PDF) - Motorola => Freescale

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Fabricante

MC33690

Standalone Tag Reader Circuit

Motorola => Freescale 

Freescale SMeCm33i6c9o0nductor, Inc.

Timing definitions for a 8MHz crystal:

- Tref is crystal oscillator period (125 ns typ.)

- T0=8064.Tref = 1.008ms typ.

- T0’=7932.Tref = 0.992ms typ.

- T1=16256.Tref = 2.032ms typ.

- T1’=16128.Tref = 2.016ms typ.

- T2=4096.Tref, = 512µs typ.

T0 is the minimum time required to guarantee

that the device toggles from read to write (or from

write to read). But indeed, the STARC may toggle

from read to write (or from write to read) between

T0 and T0’.

T1 is the minimum time required to guarantee

that the device toggles from write to standby. But

indeed, the STARC may toggle in standby

between T1 and T1’.

© Motorola, Inc., 2002.

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Go to: www11.freescale.com

revision 4.8, 5 February 2002

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