Maxq7667 user’s guide – Maxim Integrated MAXQ7667 User Manual

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15-3

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MAXQ7667 User’s Guide

Figure 15-1. Oscillator/Clock Module Block Diagram

DVDD

RESET

CLOCK/XTAL

OSCILLATOR

POWER-ON RESET

WATCHDOG

INTERRUPT FLAG

WATCHDOG

TIMER RESET FLAG

WATCHDOG

TIMER

XIN

XOUT

WDCN.6:EWDI

WDCN.3:WDIF

WDCN.2:WTRF

WDCN.5:WD1

WDCN.4:WD0

WDCN.1:EWT

WDCN.0:RWT

CKCN.4:STOP

AIE.7:XTIE

CKCN.7:XTRC

ASR.8:XTRDY

ADCCLK

SYSCLK

OSCC[3:2]:SARCD[1:0]

CLOCK DIVIDE

ADC CLOCK

PRESCALE

ASR.7:XTI

OSCC.1:XTE

ASR.8:XTRDY

RCTRM

WDCN.1:EWT

CKCN.4:STOP

OSCC.0:RCE

CKCN.5:RCMD

XTAL/CLOCK

FAILURE

INTERRUPT

CKCN.2:PMME = 0

CKCN.1:CD1 = 0

CKCN.0:CD0 = 0