Cypress CY25822-2 - Manuals

CY25822-2 Document #: 38-07531 Rev. ** Page 4 of 9 Bytes 2 through 5: Reserved Registers PWRDWN# (Power-down) Clarification The PWRDWN# (Power-down) pin is used to shut off ALLclocks prior to shutting off power to the device. PWRDWN# isan asynchronous active LOW input. This signal is synchro-nized i...

CY25822-2 Document #: 38-07531 Rev. ** Page 5 of 9 CLKOUT and REFOUT Enable Clarification The CLKOUT enable and REFOUT enable I 2 C register bits are used to shot-off the CLKOUT and REFOUT clocks individually.The VCO and crystal oscillator must remain on. A shutdownclock is driven low. ALL clocks ne...

CY25822-2 Document #: 38-07531 Rev. ** Page 7 of 9 t FALLL1 Falling Edge Rate Measured from 2.4V to 0.4VREFOUT and CLOCKOUT 1.33 4.0 V/ns Low Buffer StrengthRefer to I 2 C Control t RISEH2 Rise Time Measured from 0.4V to 2.4VREFOUT and CLOCKOUT 0.4 1.0 ns High Buffer StrengthRefer to I 2 C Control t...