MC33690 Datasheet, PDF (11/24 Pages) Motorola, Inc – Standalone Tag Reader Circuit

Freescale S^Me^Cm³³i⁶c⁹o⁰nductor, Inc.
Timing definitions for a 8MHz crystal:
- T_ref is crystal oscillator period (125 ns typ.)
- T₀=8064.T_ref = 1.008ms typ.
- T₀’=7932.T_ref = 0.992ms typ.
- T₁=16256.T_ref = 2.032ms typ.
- T₁’=16128.T_ref = 2.016ms typ.
- T₂=4096.T_ref, = 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