Getac Technology Corporation V110GD Manual Do Utilizador
© 2011 Microchip Technology Inc.
Preliminary
DS61168C-page 139
PIC32MX1XX/2XX
REGISTER 10-16: U1SOF: USB SOF THRESHOLD 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
U-0
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
—
—
23:16
U-0
U-0
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
—
—
15:8
U-0
U-0
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
—
—
7:0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
CNT<7:0>
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
bit 7-0
CNT<7:0>:
SOF Threshold Value bits
Typical values of the threshold are:
01001010
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
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
U-0
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
—
—
23:16
U-0
U-0
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
—
—
15:8
U-0
U-0
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
—
—
7:0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
U-0
BDTPTRL<15:9>
—
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 7-1
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.
location of the BDT in system memory.
The 32-bit BDT base address is 512-byte aligned.
bit 0
Unimplemented:
Read as ‘0’