GPIO66 datasheet(49/60 Pages) MICROCHIP

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DS00002236D-page 49

USB5806

9.6.4

USB TIMING

All device USB signals confirm to the voltage, power, and timing characteristics/specifications as set forth in the Univer-

sal Serial Bus Specification. Please refer to the Universal Serial Bus Revision 3.1 Specification, available at http://

www.usb.org/developers/docs.

9.6.5

I2C TIMING

All device I2C signals confirm to the 100KHz Standard Mode (Sm) voltage, power, and timing characteristics/specifica-

tions as set forth in the I2C-Bus Specification. Please refer to the I2C-Bus Specification, available at http://www.nxp.com/

documents/user_manual/UM10204.pdf.

9.6.6

SMBUS TIMING

All device SMBus signals confirm to the voltage, power, and timing characteristics/specifications as set forth in the Sys-

tem Management Bus Specification. Please refer to the System Management Bus Specification, Version 1.0, available

at http://smbus.org/specs.

9.6.7

SPI TIMING

This section specifies the SPI timing requirements for the device.

FIGURE 9-5:

SPI TIMING

TABLE 9-8:

SPI TIMING (30 MHZ OPERATION)

Symbol

Description

Min

Typ

Max

Units

tfc

Clock frequency

MHz

tceh

Chip enable (SPI_CE_EN) high time

100

tclq

Clock to input data

tdh

Input data hold time

tos

Output setup time

toh

Output hold time

tov

Clock to output valid

tcel

Chip enable (SPI_CE_EN) low to first clock

tceh

Last clock to chip enable (SPI_CE_EN) high

TABLE 9-9:

SPI TIMING (60 MHZ OPERATION)

Symbol

Description

Min

Typ

Max

Units

tfc

Clock frequency

MHz

SPI_CLK

SPI_DI

SPI_DO

SPI_CE_N

tcel

tfc

tclq

tceh

tdh

toh

tos

tov

toh

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