USB2524 SMSC Corporation, USB2524 Datasheet - Page 49
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USB2524
Manufacturer Part Number
USB2524
Description
USB MultiSwitch Hub
Manufacturer
SMSC Corporation
Datasheet
1.USB2524.pdf
(57 pages)
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USB MultiSwitch
Datasheet
SMSC USB2524
9.1.1.2
NAME
RESET_N
t1
t2
t3
t4
t5
t6
t7
VSS
Hardware
asserted
reset
RESET_N Asserted.
Hub Recovery/Stabilization.
EEPROM Read / Hub Config.
USB Attach (See
Host acknowledges attach and signals USB
Reset.
USB Idle.
Completion time for requests (with or without data
stage).
RESET_N for EEPROM Configuration
Note 9.2
TM
Hub
Read Strap
t1
Options
When in Bus-Powered mode, the Hub and its associated circuitry must not consume more
than 100mA from the upstream USB power source during t4+t5+t6+t7.
DESCRIPTION
Note
Figure 9.2 Reset_N Timing for EEPROM Mode
Table 9.2 Reset_N Timing for EEPROM Mode
9.2)
Read EEPROM
Set Options
t2
+
DATASHEET
t4
t3
49
Upstream
Attach
USB
MIN
100
1
USB Reset
recovery
t5
undefined
TYP
2.0
t6
Idle
MAX
99.5
500
100
Revision 1.2 (07-17-06)
5
t7
completion
response
request
Start
UNITS
msec
msec
msec
msec
msec
μsec
μsec