7 recommended oscillation circuit – Toshiba H1 SERIES TLCS-900 User Manual

Page 228

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TMP92CM22

2007-02-16

92CM22-226

4.7

Recommended Oscillation Circuit

TMP92CM22 is evaluated by below oscillator vender. When selecting external parts, make

use of this information.

Note 1: Total loads value of oscillation is sum of external (or internal) loads (C1 and C2) and

floating loads of actual assemble board. There is a possibility of miss operating using C1

and C2 values in below table. When designing board, it should design minimum length

pattern around oscillator. And we recommend that oscillator evaluation try on your actual

using board.

Note 2: When use function of reduced drivability for high-frequency oscillator, must be used at

f

OSCH

= 4 to 10 MHz.

(1) Example of oscillation connection circuit

Figure 4.7.1 High-frequency Oscillator

Rd

X1

C1 C2

X2

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