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Maxim Integrated MAXQ7666 User Manual

Page 199

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MAXQ7665/MAXQ7666 User’s Guide

5-2

Figure 5-1. Oscillator/Clock Generation Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . .5-4

Figure 5-2. Oscillator Startup Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-13

Figure 5-3. High-Frequency Crystal Oscillator Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-14

Figure 5-4. Selecting External Crystal/Resonator as System Clock . . . . . . . . . . . . . . . . . . . . . . . .5-15

Figure 5-5. High-Frequency Oscillator Application Configuration . . . . . . . . . . . . . . . . . . . . . . . . .5-15

Figure 5-6. External Clock Source Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-16

Figure 5-7. External Crystal-Fail Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-17

Figure 5-8. Watchdog Timer Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-18

LIST OF FIGURES

Table 5-1. MAXQ7665/MAXQ7666 Oscillator/Clock Generation Module Pins . . . . . . . . . . . . . . . .5-4

Table 5-2. Clock Generation and Selection Registers and Bits . . . . . . . . . . . . . . . . . . . . . . . . . . .5-12

Table 5-3. System Clock Rate Control Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-16

Table 5-4. Interrupt and Reset Functions for Watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-19

Table 5-5. Watchdog Timeout Selections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-19

Table 5-6. System Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-20

LIST OF TABLES

Maxim Integrated

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