CYUSB2014-BZXI datasheet(21/82 Pages) INFINEON

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Datasheet

001-52136 Rev. *Y

2022-08-11

EZ-USB FX3

SuperSpeed USB Controller

Power

FX3 has the following power supply domains:

• IO_VDDQ: This is a group of independent supply domains for digital I/Os. The voltage level on these supplies is

1.8 V to 3.3 V. FX3 provides six independent supply domains for digital I/Os listed as follows (see Table 7 for

details on each of the power domain signals):

- VIO1: GPIF II I/O

- VIO2: IO2

- VIO3: IO3

- VIO4: UART-/SPI/I2S

-VIO5: I2C and JTAG (supports 1.2 V to 3.3 V)

- CVDDQ: This is the supply voltage for clock and reset I/O. It should be either 1.8 V or 3.3 V based on the voltage

level of the CLKIN signal.

- VDD: This is the supply voltage for the logic core. The nominal supply-voltage level is 1.2 V. This supplies the

core logic circuits. The same supply must also be used for the following:

• AVDD: This is the 1.2-V supply for the PLL, crystal oscillator, and other core analog circuits.

• U3TXVDDQ/U3RXVDDQ: These are the 1.2-V supply voltages for the USB 3.0 interface.

• VBATT/VBUS: Thisis the 3.2-V to6-V battery powersupply forthe USB I/Oandanalog circuits. This supplypowers

the USB transceiver through FX3’s internal voltage regulator. VBATT is internally regulated to 3.3 V.

Note:

No specific power-up sequence for FX3 power domains. Minimum power on reset time of 1 ms should be met and

the power domains must be stable for FX3 operation.

11.1

Power Modes

FX3 supports the following power modes:

• Normal mode: This is the full-functional operating mode. The internal CPU clock and the internal PLLs are

enabled in this mode.

- Normal operating power consumption does not exceed the sum of ICC Core max and ICC USB max (see Table 8

for current consumption specifications).

- The I/O power supplies VIO2, VIO3, VIO4, and VIO5 can be turned off when the corresponding interface is not

in use. VIO1 cannot be turned off at any time if the GPIF II interface is used in the application.

• Low-power modes (see Table 6):

- Suspend mode with USB 3.0 PHY enabled (L1)

- Suspend mode with USB 3.0 PHY disabled (L2)

- Standby mode (L3)

- Core power-down mode (L4)

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