USB5534B datasheet(35/73 Pages) MICROCHIP

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DS00001681C-page 35

USB5534B

5.5.4.10

UCS Byte Read (84h)

The first data byte (Data1) contains the address of the UCS register to read. The second data byte (Data2) will contain

the data after the command is executed.

5.5.4.11

UCS Byte Write (85h)

The first data byte (Data1) contains the address of the UCS register to write to. The second data byte (Data2) contains

the data to be written.

5.5.4.12

UCS Block Read (86h)

The first data byte (Data1) contains the address of the UCS register to read. The second data byte (Data2) contains the

number of bytes to read. The subsequent data bytes will be populated with the contents of the Data2 registers starting

at Data1.

5.5.4.13

UCS Block Write (87h)

The first data byte (Data1) contains the address of the UCS register to write to. The second data byte (Data2) contains

the number of bytes to write. The subsequent data bytes contain the data to write.

5.6

Runtime Register Definitions

Below is the list of configuration registers and their address. The INIT column contains the values that will be loaded

when the USB Attach commands are sent. Register definitions are provided in the subsequent sub-sections. For infor-

mation on accessing these registers, refer to Section 5.6.1, "Accessing Runtime Registers," on page 37.

TABLE 5-12:

CONFIGURATION REGISTER MEMORY MAP

ADDR

R/W

Name

Function

INIT

0806h

R/W

LED0_PIO0_CTL1

LED0/PIO0 Register 1

00h

0807h

R/W

LED0_PIO0_CTL2

LED0/PIO0 Register 2

00h

0808h

R/W

LED1_PIO1_CTL1

LED1/PIO1 Register 1

00h

0809h

R/W

LED1_PIO1_CTL2

LED1/PIO1 Register 2

00h

082Dh

R/W

VBUS_OCS_PD

VBUS and OCS Pull-Down Register

00h

082Fh

R/W

LED0_PD

LED0 Pull-down Register

00h

0831h

R/W

VBUS_OCS_DIR

VBUS and OCS Direction Register

00h

0833h

R/W

LED0_DIR

LED0 Direction Register

00h

0835h

R/W

VBUS_OCS_OUT

VBUS and OCS Output Register

00h

0837h

R/W

LED0_OUT

LED0 Output Register

00h

0839h

R/W

VBUS_OCS_IN

VBUS and OCS Input Register

Note 5-1

083Bh

R/W

LED0_IN

LED0 Input Register

Note 5-1

083Dh

R/W

VBUS_OCS_PU

VBUS and OCS Pull-up Resistor Register

FEh

083Fh

R/W

LED0_PU

LED0 Pull-up Resistor Register

00h

092Eh

R/W

PRT_PWR_PD

Port Power Pull-down Resistor Register

00h

0932h

R/W

PRT_PWR_DIR

Port Power Direction Register

00h

0936h

R/W

PRT_PWR_OUT

Port Power Output Register

00h

093Ah

R/W

PRT_PWR_IN

Port Power Input Register

Note 5-1

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