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AT43312A-SC

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27
19
AT43312A
1255F–USB–3/04
Table 14. Hub Event Timings
Symbol Parameter Condition Min Max Unit
t
DCNN
Time to Detect a Downstream Port Connect Event
Awake Hub
Suspended Hub
2.5
2.5
2000
12000
µs
µs
t
DDIS
Time to Detect a Disconnect Event and Downstream Port
Awake Hub
Suspended Hub
2.5
2.5
2.5
10000
µs
µs
t
URSM
Time from Detecting Downstream Resume to
Rebroadcast
100 µs
t
DRST
Duration of Driving Reset to a Downstream Device Only for a SetPortFeature
(PORT_RESET) request
10 20 ms
t
URLK
Time to Detect a Long K From Upstream 2.5 100 µs
t
URLSEO
Time to Detect a Long SEO From Upstream 2.5 10,000 µs
t
URPSEO
Time of repeating SEO Upstream 23 FS bit
time
20
AT43312A
1255F–USB–3/04
Figure 13. AT43312A Self-powered USB Hub
R9
330
C14
47pF
C8
47pF
VLOCAL
R14 22
DP4R
D4
LED
R8
330
DM1R
OVL1#
R18 22
R13 22
DM4R
C11
47pF
C13
47pF
U1
AT43312A-AC
10
11
25
24
31
13
28
9
27
26
4
23
30
29
5
22
1
32
6
21
18
16
15
8
17
14
19
2
3
7
20
12
OSC1
OSC2
DP0
DM0
VSS
TEST#
CEXT
VSS
DP1
DM1
PWR1#
STAT1#
DP2
DM2
PWR2#
STAT2#
DP3
DM3
PWR3#
STAT3#
LPSTAT
OVL2#
OVL3#
VCC5
OVL1#
OVL4#
SELF/BUS#
DM4
DP4
PWR4#
STAT4#
LFT
VBUS
R10
330
C4
0.01UF
C9
47pF
PWR1#
D1
R11 22
R7
330
C16
47pF
DP2R
R1 22
DM2R
C10
47pF
R5
47K
L10
FB
C3
0.1UF
DM3R
DP1R
OVL4#
R17 22
L9
FB
R12 22
VLOCAL
R16 22
D3
LED
C15
47pF
C12
47pF
R4
100
Q1
2N4401
PWR4#
OVL2#
PWR2#
OVL3#
C5 2.2nF
R6
1K
C1
0.1UF
VLOCAL
R2
22
DP3R
+
C2
4.7UF
C6
0.33UF
Y1
6.000 MHZ
R3
1.5K
R15 22
D2
LED
C7
47pF
USB-B
J1
4
3
2
1
56
PWR3#
21
AT43312A
1255F–USB–3/04
Figure 14. AT43312A Self-powered USB Hub
DP4R
USB-A
JP3
4
3
2
1
56
+
C23
220UFD 10V
DP1R
C24
0.1UF
+
C21
220UFD 10V
L2 FB
PWR3#
OVL2#
L13
FB
L4 FB
C22
0.1UF
R23 1M
U3
MIC2526-2
7
1
4
2
8
5
3
6
IN
CTLA
CTLB
FLGA
OUTA
OUTB
FLGB
GND
OVL3#
OVL4#
U4
MIC2526-2
7
1
4
2
8
5
3
6
IN
CTLA
CTLB
FLGA
OUTA
OUTB
FLGB
GND
L1
FB
RP2
15K
8
7
6
9
4
3
2
1
5
10
L12
FB
DM4R
+
C19
220UFD 10V
R19
100K
PWR1#
DM2R
L14
FB
R22
100K
DM3R
DP2R
OVL1#
J3
CON2
1
2
L11
FB
DP3R
+
C17
4.7UF
USB-A
JP2
4
3
2
1
56
+
C25
220UFD 10V
R20
100K
R21
100K
VLOCAL
USB-A
JP5
4
3
2
1
56
C26
0.1UF
C18
0.01UF
L3 FB
DM1R
PWR2#
USB-A
JP4
4
3
2
1
56
PWR4#
C27
0.1UF
C20
0.1UF
VLOCAL
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27

AT43312A-SC

Mfr. #:
Buy AT43312A-SC
Manufacturer:
Microchip Technology / Atmel
Description:
USB Interface IC FULL FEATURED USB HUB CONTROLLER
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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