ISP1161A1BM ST-Ericsson Inc, ISP1161A1BM Datasheet - Page 85

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ISP1161A1BM

Manufacturer Part Number
ISP1161A1BM
Description
IC USB HOST/DEVICE CTRLR 64-LQFP
Manufacturer
ST-Ericsson Inc
Datasheet

Specifications of ISP1161A1BM

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
568-1163
ISP1161A1BM,557

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Philips Semiconductors
9397 750 13961
Product data
11.4.2 Resume conditions
11.4.3 Control bits in suspend and resume
A wake-up from the suspend state is initiated either by the USB host or by the
application:
The steps of a wake-up sequence are as follows:
Table 69:
Register
DcInterrupt
DcInterrupt
Enable
DcMode
DcHardware
Configuration
DcUnlock
1. The internal oscillator and the PLL multiplier are re-enabled. When stabilized, the
2. The SUSPEND output is deasserted, and bit RESUME in the DcInterrupt register
3. Maximum 15 ms after starting the wake-up sequence, the ISP1161A1 DC
4. In case of a remote wake-up, the ISP1161A1 DC drives a K-state on the USB bus
5. Following the deassertion of output SUSPEND, the application restores itself and
6. After wake-up, the internal registers of the ISP1161A1 DC are write-protected to
USB host: drives a K-state on the USB bus (global resume)
Application: remote wake-up through a HIGH level on input WAKEUP or a LOW
level on input CS, if enabled using bit WKUPCS in the DcHardwareConfiguration
register. Wake-up on CS will work only if V
clock signals are routed to all internal circuits of the ISP1161A1.
is set. This will generate an interrupt if bit IERESM in the DcInterruptEnable
register is set.
resumes its normal functionality.
for 10 ms.
other system components to the normal operating mode.
prevent corruption by inadvertent writing during power-up of external
components. The firmware must send an Unlock Device command to the
ISP1161A1 DC to restore its full functionality.
Summary of control bits
Rev. 03 — 23 December 2004
Bit
SUSPND
BUSTATUS
RESUME
IESUSP
IERESM
SOFTCT
GOSUSP
EXTPUL
WKUPCS
PWROFF
all
Function
interrupt is serviced
writing after a resume
a transition from awake to the suspend state was detected
monitors USB bus status (logic 1 = suspend); used when
a transition from suspend to the resume state was detected
enables output INT to signal the suspend state
enables output INT to signal the resume state
enables SoftConnect pull-up resistor to USB bus
a HIGH-to-LOW transition enables the suspend state
selects internal (SoftConnect) or external pull-up resistor
enables wake-up on LOW level of input CS
selects powered-off mode during the suspend state
sending data AA37H unlocks the internal registers for
USB single-chip host and device controller
BUS
is present.
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
ISP1161A1
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