AT43USB355M-AC ATMEL [ATMEL Corporation], AT43USB355M-AC Datasheet - Page 109

• Manufacturer Part Number: AT43USB355M-AC
• Description: Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
• Manufacturer: ATMEL [ATMEL Corporation]

2603G–USB–04/06
Table 41. Hub Event Timings
Symbol
TDCNN
TDDIS
TURSM
TDRST
TDSPDEV
TURLK
TURLSEO
TURPSEO
TUDEOP
Time to detect a
Duration of driving reset to
Time to detect a long SEO
Duration of repeating SEO
Duration of sending SEO
Parameter
downstream port connect
event
Time to detect a
disconnect event on
downstream port
Awake Hub
Suspended Hub
Time from detecting
downstream resume to
rebroadcast
a downstream device
Time to evaluate device
speed after reset
Time to detect a long K
from upstream
from upstream
upstream
upstream after EOF1
Condition
Only for a SetPortFeature
(PORT_RESET) request
AT43USB355
Min
2.5
2.5
2.5
10
2.5
2.5
2.5
Max
2000
2000
12000
100
20
1000
5.5
5.5
23
2
Unit
µs
µs
µs
µs
µs
µs
µs
FS
bits
FS
bits
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