ISP1161A1BDFA ST-Ericsson Inc, ISP1161A1BDFA Datasheet - Page 25
ISP1161A1BDFA
Manufacturer Part Number
ISP1161A1BDFA
Description
IC USB HOST CONTROLLER 64LQFP
Manufacturer
ST-Ericsson Inc
Datasheet
1.ISP1161A1BMGA.pdf
(137 pages)
Specifications of ISP1161A1BDFA
Controller Type
USB 2.0 Controller
Interface
Parallel
Voltage - Supply
3.3V, 5V
Current - Supply
47mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ISP1161A1BD-S
ISP1161A1BD-S
ISP1161A1BD-S
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Manufacturer
Quantity
Price
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Part Number:
ISP1161A1BDFA
Manufacturer:
ST-Ericsson Inc
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10 000
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Philips Semiconductors
9. USB host controller (HC)
9397 750 13961
Product data
Fig 23. ISP1161A1 HC USB states.
USBOperational write
9.1 HC’s four USB states
9.2 Generating USB traffic
USBSuspend write
The ISP1161A1 USB HC has four USB states USBOperational, USBReset,
USBSuspend, and USBResume
responsibilities.
The USB states are reflected in the HostControllerFunctionalState field of the
HcControl register (01H to read, 81H to write), which is located at bits 7 and 6 of the
register.
The Host Controller Driver (HCD) can perform only the USB state transitions shown
in
Remark: The Software Reset in
command. It is caused by the HostControllerReset field of the HcCommandStatus
register (02H to read, 82H to write).
USB traffic can be generated only when the ISP1161A1 USB HC is in the
USBOperational state. Therefore, the HCD must set the
HostControllerFunctionalState field of the HcControl register before generating USB
traffic.
A simplistic flow diagram showing when and how to generate USB traffic is shown in
Figure
protocol and ISP1161A1 USB HC register usage.
Figure
USBOperational
USBSuspend
24. For more detail, refer to the USB Specification Revision 2.0 about the
23.
Rev. 03 — 23 December 2004
USBResume write
remote wake-up
USBResume
or
USBOperational write
Figure 23
that define the HC’s USB signaling and bus states
USB single-chip host and device controller
is not caused by the HcSoftwareReset
USBReset write
USBReset write
USBReset write
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
hardware or software
ISP1161A1
USBReset
reset
MGT947
24 of 136
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