isp1583 NXP Semiconductors, isp1583 Datasheet - Page 27

• Manufacturer Part Number: isp1583
• Description: Hi-speed Universal Serial Bus Peripheral Controller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
ISP1583_6
Product data sheet
7.17.2 Self-powered mode
In self-powered mode, V
Table 11.
[1]
Table 12.
Table 13.
ISP1583 operation
Normal bus operation
No pull up on DP
ISP1583 operation
Clock will wake up:
Clock will wake up:
ISP1583 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 15. Self-powered mode
After a 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(3V3)
CC(I/O)
CC(3V3)
ISP1583
Rev. 06 — 20 August 2007
CC(3V3)
are system powered.
RPU
V
BUS
1.5 k
and V
BUS
BUS
CC(I/O)
V
3.3 V
3.3 V
V
3.3 V
3.3 V
V
3.3 V
3.3 V
CC(3V3)
CC(3V3)
CC(3V3)
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
Power supply
CC(I/O)
CC(I/O)
CC(I/O)
Power supply
Hi-Speed USB Peripheral Controller
Power supply
V
1 µF
BUS
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 M
V
5 V
0 V
V
5 V
0 V
V
5 V
0 V
BUS
BUS
BUS
[1]
© NXP B.V. 2007. All rights reserved.
USB
ISP1583
004aaa461
Bit SOFTCT in
Mode register
enabled
disabled
5 V
Bit SOFTCT
in Mode
register
enabled
disabled
Figure
Clock off
during
suspend
enabled
enabled
27 of 100
15.