PIC32MX1XX Datasheet, PDF (139/320 Pages) Microchip Technology – 32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog

PIC32MX1XX/2XX
REGISTER 10-16: U1SOF: USB SOF THRESHOLD REGISTER
Bit
Bit
Bit
Bit
Bit
Bit
Range 31/23/15/7 30/22/14/6 29/21/13/5 28/20/12/4 27/19/11/3
31:24
23:16
15:8
7:0
U-0
—
U-0
—
U-0
—
R/W-0
U-0
—
U-0
—
U-0
—
R/W-0
U-0
—
U-0
—
U-0
—
R/W-0
U-0
U-0
—
—
U-0
U-0
—
—
U-0
U-0
—
—
R/W-0
R/W-0
CNT<7:0>
Bit
26/18/10/2
U-0
—
U-0
—
U-0
—
R/W-0
Bit
25/17/9/1
U-0
—
U-0
—
U-0
—
R/W-0
Bit
24/16/8/0
U-0
—
U-0
—
U-0
—
R/W-0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 31-8 Unimplemented: Read as ‘0’
bit 7-0 CNT<7:0>: SOF Threshold Value bits
Typical values of the threshold are:
01001010 = 64-byte packet
00101010 = 32-byte packet
00011010 = 16-byte packet
00010010 = 8-byte packet
REGISTER 10-17: U1BDTP1: USB BDT PAGE 1 REGISTER
Bit
Bit
Bit
Bit
Bit
Bit
Range 31/23/15/7 30/22/14/6 29/21/13/5 28/20/12/4 27/19/11/3
Bit
26/18/10/2
31:24
23:16
15:8
7:0
U-0
—
U-0
—
U-0
—
R/W-0
U-0
—
U-0
—
U-0
—
R/W-0
U-0
U-0
U-0
—
—
—
U-0
U-0
U-0
—
—
—
U-0
U-0
U-0
—
—
—
R/W-0
R/W-0
R/W-0
BDTPTRL<15:9>
U-0
—
U-0
—
U-0
—
R/W-0
Bit
25/17/9/1
U-0
—
U-0
—
U-0
—
R/W-0
Bit
24/16/8/0
U-0
—
U-0
—
U-0
—
U-0
—
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 31-8 Unimplemented: Read as ‘0’
bit 7-1
BDTPTRL<15:9>: BDT Base Address bits
This 7-bit value provides address bits 15 through 9 of the BDT base address, which defines the starting
location of the BDT in system memory.
The 32-bit BDT base address is 512-byte aligned.
bit 0 Unimplemented: Read as ‘0’
© 2011-2012 Microchip Technology Inc.
Preliminary
DS61168D-page 139