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STW4811MBRA/LF Folha de dados(PDF) 28 Page - STMicroelectronics

Nome de Peças STW4811MBRA/LF
Descrição Electrónicos  Power management for multimedia processors
PDF  86 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW4811MBRA/LF Folha de dados(HTML) 28 Page - STMicroelectronics

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STw4811M/STw4811N
Functional description
27/85
USB interrupt source register
USB interrupt source register indicates the current state of the signals that can generate an
interrupt.
USB latch register
USB interrupt latch register indicates which source has generated an interrupt.
Table 13.
USB Interrupt source register (address = 08h)
7
65432
10
cr_int
bdis_acon
id_float
dn_hi
id_gnd_
forced
dp_hi
sess_vld
vbus_vld
RRRRR
RRR
Bits
Name
Value
Settings
Default
7cr_int
0
1
Inactive
DP ball is above the carkit interrupt threshold
0
6
bdis_acon
0
1
Inactive
Set when bdis_acon_en is set, and transceiver
asserts dp_pullup after detecting B-device
disconnect.
0
5
id_float
0
1
Inactive
ID ball floating
0
4
dn_hi
0
1
Inactive
DN ball is high
0
3
id_gnd_forced
0
1
Inactive
ID ball grounded
0
2
dp_hi
0
1
Inactive
DP asserted during SRP,
0
1
sess_vld
0
1
Session valid comparator threshold < 2V
2 V < Session valid comparator threshold
0
0
vbus_vld
0
1
A-device VBUS valid comparator threshold < 4.4V
A-device VBUS valid comparator threshold > 4.4V
0
Table 14.
USB interrupt latch registers (address = 0Ah set and 0Bh clearh)
Register
76543
210
Bit name
cr_int
bdis_
acon
id_float
dn_hi
id_gnd_
forced
dp_hi
sess_
vld
vbus_
vld
Default
00000
000
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W



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