Microchip Technology TDGL019 Data Sheet

DS60001168F-page 139

PIC32MX1XX/2XX

REGISTER 10-18: U1BDTP2: USB BUFFER DESCRIPTOR TABLE PAGE 2 REGISTER

Bit

Range

Bit

31/23/15/7

Bit

30/22/14/6

Bit

29/21/13/5

Bit

28/20/12/4

Bit

27/19/11/3

Bit

26/18/10/2

Bit

25/17/9/1

Bit

24/16/8/0

31:24

U-0

—

23:16

U-0

—

15:8

U-0

—

7:0

R/W-0

BDTPTRH<23:16>

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 31-8 Unimplemented: Read as ‘0’
bit 7-0

BDTPTRH<23:16>:

Buffer Descriptor Table Base Address bits

This 8-bit value provides address bits 23 through 16 of the Buffer Descriptor Table base address, which
defines the starting location of the Buffer Descriptor Table in system memory.
The 32-bit Buffer Descriptor Table base address is 512-byte aligned.

REGISTER 10-19: U1BDTP3: USB BUFFER DESCRIPTOR TABLE PAGE 3 REGISTER

Bit

Range

Bit

31/23/15/7

Bit

30/22/14/6

Bit

29/21/13/5

Bit

28/20/12/4

Bit

27/19/11/3

Bit

26/18/10/2

Bit

25/17/9/1

Bit

24/16/8/0

31:24

U-0

—

23:16

U-0

—

15:8

U-0

—

7:0

R/W-0

BDTPTRU<31:24>

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 31-8 Unimplemented: Read as ‘0’
bit 7-0

BDTPTRU<31:24>:

Buffer Descriptor Table Base Address bits

This 8-bit value provides address bits 31 through 24 of the Buffer Descriptor Table base address, defines the
starting location of the Buffer Descriptor Table in system memory.
The 32-bit Buffer Descriptor Table base address is 512-byte aligned.