ISP1582BSUM STEricsson, ISP1582BSUM Datasheet - Page 18

• 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
7.15.1 Self-powered mode
In self-powered mode, V
Table 7.
[1]
Table 8.
Table 9.
ISP1582 operation
Normal bus operation
No pull-up on DP
ISP1582 operation
Clock will wake up:
Clock will wake up:
ISP1582 operation
Back voltage is not measured in this
mode
Back voltage is not an issue because pull
up on DP will not be present when V
is not present
Fig 11. Self-powered mode
After resume and
After a bus reset
After detecting the presence of V
When the USB cable is removed, SoftConnect is disabled.
V
CC(I/O)
Operation truth table for SoftConnect
Operation truth table for clock off during suspend
Operation truth table for back voltage compliance
and V
V
V
CC
CC(I/O)
CC
Rev. 09 — 29 September 2009
ISP1582
are system powered.
CC
and V
RPU
V
BUS
1.5 kΩ
BUS
BUS
CC(I/O)
Power supply
V
3.3 V
3.3 V
Power supply
V
3.3 V
3.3 V
Power supply
V
3.3 V
3.3 V
CC
CC
CC
are supplied by the system. See
V
3.3 V
3.3 V
V
3.3 V
3.3 V
V
3.3 V
3.3 V
CC(I/O)
CC(I/O)
CC(I/O)
V
BUS
1 μF
Hi-Speed USB peripheral controller
RPU
(3.3 V)
3.3 V
3.3 V
RPU
(3.3 V)
3.3 V
3.3 V
RPU
(3.3 V)
3.3 V
3.3 V
1 MΩ
V
5 V
0 V
V
5 V
0 V → 5 V
V
5 V
0 V
BUS
BUS
BUS
[1]
© ST-ERICSSON 2009. All rights reserved.
USB
004aaa460
ISP1582
Bit SOFTCT in
Mode register
enabled
disabled
Figure
Bit SOFTCT
in Mode
register
enabled
disabled
Clock off
during
suspend
enabled
enabled
11.
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