Getac Technology Corporation V110GD Manual De Usuario
© 2011 Microchip Technology Inc.
Preliminary
DS61168C-page 123
PIC32MX1XX/2XX
REGISTER 10-1:
U1OTGIR: USB OTG INTERRUPT STATUS 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/WC-0, HS
R/WC-0, HS
R/WC-0, HS
R/WC-0, HS
R/WC-0, HS
R/WC-0, HS
U-0
R/WC-0, HS
IDIF
T1MSECIF
LSTATEIF
ACTVIF
SESVDIF
SESENDIF
—
VBUSVDIF
Legend:
WC = Write ‘1’ to clear
HS = Hardware Settable bit
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
bit 7
IDIF:
ID State Change Indicator bit
1
= Change in ID state detected
0
= No change in ID state detected
bit 6
T1MSECIF:
1 Millisecond Timer bit
1
= 1 millisecond timer has expired
0
= 1 millisecond timer has not expired
bit 5
LSTATEIF:
Line State Stable Indicator bit
1
= USB line state has been stable for 1 ms, but different from last time
0
= USB line state has not been stable for 1 ms
bit 4
ACTVIF:
Bus Activity Indicator bit
1
= Activity on the D+, D-, ID or V
BUS
pins has caused the device to wake-up
0
= Activity has not been detected
bit 3
SESVDIF:
Session Valid Change Indicator bit
1
= V
BUS
voltage has dropped below the session end level
0
= V
BUS
voltage has not dropped below the session end level
bit 2
SESENDIF:
B-Device V
BUS
Change Indicator bit
1
= A change on the session end input was detected
0
= No change on the session end input was detected
bit 1
Unimplemented:
Read as ‘0’
bit 0
VBUSVDIF:
A-Device V
BUS
Change Indicator bit
1
= Change on the session valid input detected
0
= No change on the session valid input detected