isp1582 NXP Semiconductors, isp1582 Datasheet - Page 20

• Manufacturer Part Number: isp1582
• Description: Hi-speed Universal Serial Bus Peripheral Controller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
ISP1582_6
Product data sheet
7.16.2 Bus-powered mode
Table 9.
In bus-powered mode (see
5 V-to-3.3 V voltage regulator. The input to the regulator is from V
USB cable, the ISP1582 goes through the power-on reset cycle. In this mode, OTG is
disabled.
Table 10.
Table 11.
ISP1582 operation
SRP is not applicable
SRP is possible
ISP1582 operation
Normal bus operation
Power loss
ISP1582 operation
Clock will wake up:
Power loss
Fig 12. Bus-powered mode
After resume and
After a bus reset
1.65 V to 3.3 V
V
CC(I/O)
Operation truth table for OTG
Operation truth table for SoftConnect
Operation truth table for clock off during suspend
is powered by V
1.5 k
Rev. 06 — 20 September 2007
V
RPU
V
CC
CC(I/O)
ISP1582
Figure
BUS
.
V
12), V
BUS
Power supply
V
3.3 V
3.3 V
Power supply
V
3.3 V
0 V
Power supply
V
3.3 V
0 V
CC
CC
CC
CC
and V
REGULATOR
5 V-to-3.3 V
VOLTAGE
V
3.3 V
3.3 V
V
3.3 V
0 V
V
3.3 V
0 V
CC(I/O)
CC(I/O)
CC(I/O)
CC(I/O)
Hi-Speed USB Peripheral Controller
are supplied by the output of the
RPU
(3.3 V)
3.3 V
3.3 V
RPU
(3.3 V)
3.3 V
0 V
RPU
(3.3 V)
3.3 V
0 V
V
1 F
BUS
V
5 V
0 V
V
5 V
0 V
V
5 V
0 V
BUS
BUS
BUS
BUS
. On plugging the
© NXP B.V. 2007. All rights reserved.
1 M
ISP1582
Bit SOFTCT in
Mode register
enabled
not applicable
Clock off during
suspend
enabled
not applicable
OTG register
not applicable
operational
USB
004aaa462
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