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Using sleep mode with CY8C20xx6A

Last Updated: June 13, 2012

How to achieve the 1.07uA Isb1 stand by current mentioned in the CY8C20xx6A device datasheet?


To achieve the standby current mentioned in the device datasheet ((Document Number: 001-54459 Rev. *G)), the following needs to be ensured:

1. None of the GPIOs is sourcing any current.

2. I2C_ON bit in the SLP_CFG2  and the USB_enable bit in USB_CR0 register is disabled.

3. The buzz rate is set to to 1/32768 using the ALT_Buzz bits of the SLP_CFG2 register.

4. The current is measured by putting the ammeter between supply and Vdd of pin i.e. the current measurement should not include any current other than device current.

Attached a code example that achieves the Isb1 current on the CY3280-20xx6A development kit.


File TitleLanguageFile SizeLast Updated
Download Using sleep mode with CY8C20xx6AEnglish122.55 KB12/14/11
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