USB5533B datasheet(44/71 Pages) MICROCHIP

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USB5533B

DS00001680C-page 44

 2012 - 2015 Microchip Technology Inc.

5.6.15

LED0 PULL-UP RESISTOR REGISTER

5.6.16

PORT POWER PULL-DOWN RESISTOR REGISTER

5.6.17

PORT POWER DIRECTION REGISTER

5.6.18

PORT POWER OUTPUT REGISTER

TABLE 5-32:

LED0 PULL-UP RESISTOR REGISTER

LED0_PU

(0X083F)

LED0 Pull-Up Register

Bit

Name

R/W

Description

7:1

Reserved

R/W

Reserved

LED0

R/W

“0” = Disables the pull-up resistor on the LED0 pin.

“1” = Enables the pull-up resistor on the LED0 pin.

TABLE 5-33:

PORT POWER PULL-DOWN RESISTOR REGISTER

PRT_PWR_PD

(0X092E)

Port Power Pull-Down Register

Bit

Name

R/W

Description

7:1

PRT_PWR_PD[7:1]

R/W

“0” = Disables the pull-down resistor on the PRT_PWR[N] pad. Where N

is the bit being controlled. Bit 1 controls PRT_PWR 1 and so on.

“1” = Enables the pull-down resistor on the PRT_PWR[N] pad.

Reserved

R/W

Reserved

TABLE 5-34:

PORT POWER DIRECTION REGISTER

PRT_PWR_DIR

(0X0932)

Port Power Direction Register

Bit

Name

R/W

Description

7:1

PRT_PWR_D[7:1]

R/W

PRT_PWR[7:1] Direction: 0 = In, 1 = Out.

Reserved

R/W

Reserved

TABLE 5-35:

PORT POWER OUTPUT REGISTER

PRT_PWR_OUT

(0X0936)

Port Power Output Register

Bit

Name

R/W

Description

7:1

PRT_PWR_O[7:1]

R/W

PRT_PWR[7:1] Output Buffer Data.

Reserved

R/W

Reserved

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