ISP1183BSTM STEricsson, ISP1183BSTM Datasheet - Page 53

• Manufacturer Part Number: ISP1183BSTM
• Manufacturer: STEricsson

Specifications of ISP1183BSTM

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / RoHS Status: Compliant

ISP1183_3
Product data sheet
17.3 Self-powered mode
In self-powered mode, pin VBUSDET_N cannot be used. The V
in the following two ways:
Remark: The above implementation is necessary to comply with USB-IF requirements.
Fig 24. Hybrid-powered mode
•
•
Connecting V
– When VBUSDET goes LOW, the microprocessor clears bit SOFTCT.
– When VBUSDET goes HIGH, the microprocessor sets bit SOFTCT.
Connecting transistor switching; see
– When V
– When V
device is connected.
disconnected.
MCU
V
BUS
BUS
CC
BUS
is HIGH, V
is LOW, pull up DP is switched off. This indicates that the device is
VBUSDET_N
self-powered
to the microprocessor; see
Rev. 03 — 20 January 2009
REG(3V3)
13
ISP1183
Low-power USB Peripheral Controller with DMA
will bypass to pull up DP. This indicates that the
Figure
12
18
30
8
V
V
V
V
26.
BUS
REG(3V3)
DD(I/O)
DD(I/O)
Figure
25.
self-powered (1.65 V to 3.6 V)
BUS
© ST-NXP Wireless 2009. All rights reserved.
sensing can be done
ISP1183
004aaa452
V
BUS
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