ISP1582BSUM STEricsson, ISP1582BSUM Datasheet - Page 19

• Manufacturer Part Number: ISP1582BSUM
• Manufacturer: STEricsson

Specifications of ISP1582BSUM

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 56
• Lead Free Status / RoHS Status: Compliant

ISP1582_9
Product data sheet
7.15.2 Bus-powered mode
Table 10.
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 11.
Table 12.
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
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 kΩ
Rev. 09 — 29 September 2009
V
RPU
V
CC
CC(I/O)
ISP1582
Figure
BUS
.
V
BUS
12), V
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
REGULATOR
5 V-to-3.3 V
and 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 μF
BUS
V
5 V
0 V
V
5 V
0 V
V
5 V
0 V
BUS
BUS
BUS
BUS
© ST-ERICSSON 2009. All rights reserved.
. On plugging the
1 MΩ
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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