GL3520

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Genesys Logic GL3520[edit | edit source]

Genesys Logic GL3520 Block Diagram

USB 3.0 MTT Hub Controller

Product page : http://www.genesyslogic.com/en/product_view.php?show=26

Datasheet :

GL3520 Firmware ISP Tool + User Guide :

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Pinout[edit | edit source]

Genesys Logic GL3520 QFN-88 pinout

Pin Name Type Description
1 PAMBER4 B (pd) Amber LED indicator for DSPORT4
2 PWREN4J B Active low. Power enable output for DSPORT4
3 RTERM A A 680ohm resister must be connected between RTERM and Ground
4 NC - No Connection
5 NC - No Connection
6 X1 I 25MHz Crystal / OSC clock input
7 X2 O 25MHz Crystal / OSC clock output.
8 NC - No Connection
9 TXN_UP O USB 3.0 Differential Data Transmitter TX- of USPORT
10 TXP_UP O USB 3.0 Differential Data Transmitter TX+ of USPORT
11 GND P Digital/Analog ground
12 RXN_UP I USB 3.0 Differential Data Receiver RX-+ of USPORT
13 RXP_UP I USB 3.0 Differential Data Receiver RX+ of USPORT
14 VP12 P Analog 1.2V power input for Analog circuit
15 VP12 P Analog 1.2V power input for Analog circuit
16 TXN_DS1 O USB 3.0 Differential Data Transmitter TX- of DSPORT1
17 TXP_DS1 O USB 3.0 Differential Data Transmitter TX-/TX+ of DSPORT1
18 GND P Digital/Analog ground
19 RXN_DS1 I USB 3.0 Differential Data Receiver RX- of DSPORT1
20 RXP_DS1 I USB 3.0 Differential Data Receiver RX+ of DSPORT1
21 VP12 P Analog 1.2V power input for Analog circuit
22 NC - No Connection
23 VP12 P Analog 1.2V power input for Analog circuit
24 TXN_DS2 O USB 3.0 Differential Data Transmitter TX- of DSPORT2
25 TXP_DS2 O USB 3.0 Differential Data Transmitter TX+ of DSPORT2
26 GND P Digital/Analog ground
27 RXN_DS2 I USB 3.0 Differential Data Receiver RX- of DSPORT2
28 RXP_DS2 I USB 3.0 Differential Data Receiver RX+ of DSPORT2
29 VP12 P Analog 1.2V power input for Analog circuit
30 VP12 P Analog 1.2V power input for Analog circuit
31 TXN_DS3 O USB 3.0 Differential Data Transmitter TX- of DSPORT3
32 TXP_DS3 O USB 3.0 Differential Data Transmitter TX+ of DSPORT3
33 GND P Digital/Analog ground
34 RXN_DS3 I USB 3.0 Differential Data Receiver RX- of DSPORT3
35 RXP_DS3 I USB 3.0 Differential Data Receiver RX+ of DSPORT3
36 VP12 P Analog 1.2V power input for Analog circuit
37 VP12 P Analog 1.2V power input for Analog circuit
38 TXN_DS4 O USB 3.0 Differential Data Transmitter TX- of DSPORT4
39 TXP_DS4 O USB 3.0 Differential Data Transmitter TX+ of DSPORT4
40 GND P Digital/Analog ground
41 RXN_DS4 I USB 3.0 Differential Data Receiver RX- of DSPORT4
42 RXP_DS4 I USB 3.0 Differential Data Receiver RX+ of DSPORT4
43 VP12 P Analog 1.2V power input for Analog circuit
44 DVDD12 P 1.2V digital power input for digital circuits
45 OVCUR2J I (pu) Active low. Over current indicator for DSPORT2
46 PWREN2J B Active low. Power enable output for DSPORT2
47 PWREN3J B Active low. Power enable output for DSPORT3
48 PGREEN3 B (pd) Green LED indicator for DSPORT3
49 DVDD12 P 1.2V digital power input for digital circuits
50 P_SPI_CK B For SPI data clock
51 P_SPI_CZ B For SPI data chip enable
52 PAMBER1 B (pd) Amber LED indicator for DSPORT1
53 PWREN1J B Active low. Power enable output for DSPORT1
PWREN1# is the only power-enable output for GANG mode
54 OVCUR4J I (pu) Active low. Over current indicator for DSPORT1
55 VBUS I VBUS valid input
56 PAMBER3 B (pd) Amber LED indicator for DSPORT3
57 DVDD12 P 1.2V digital power input for digital circuits
58 DVDD P 3.3V digital power input for digital circuits
59 DM0 B USB 2.0 DM for USPORT
60 DP0 B USB 2.0 DP for USPORT
61 DM1 B USB 2.0 DM for DSPORT1
62 DP1 B USB 2.0 DP for DSPORT1
63 AVDD P Analog 3.3V power input
64 DM2 B USB 2.0 DM for DSPORT2
65 DP2 B USB 2.0 DP for DSPORT2
66 AVDD1 P Analog 3.3V power input
67 GND P Digital/Analog ground
68 DM3 B USB 2.0 DM for DSPORT3
69 DP3 B USB 2.0 DP for DSPORT3
70 AVDD P Analog 3.3V power input
71 DM4 B USB 2.0 DM for DSPORT4
72 DP4 B USB 2.0 DP for DSPORT4
73 DVDD P 3.3V digital power input for digital circuits
74 PGANG I Default put in input mode after power-on reset.
Individual/gang mode is strapped during this period.
75 DVDD12 P 1.2V digital power input for digital circuits
76 TEST B (pd) TEST: 0: Normal operation.
1: Chip will be put in test mode.
77 OVCUR3J I (pu) Active low. Over current indicator for DSPORT3
78 OVCUR1J I (pu) Active low. Over current indicator for DSPORT1
OVCUR1# is the only over current flag for GANG mode
79 PGREEN1 B (pd) Green LED indicator for DSPORT1
80 P_SPI_DO B For SPI data Input
81 P_SPI_DI B For SPI data Output
82 PSELF I 0: GL3520 is bus-powered.
1: GL3520 is self-powered.
83 RESETJ I (pd) Active low. External reset input, default pull high 10KΩ.
When RESET# = low, whole chip is reset to the initial state
84 PGREEN2 B (pd) Green LED indicator for DSPORT2
85 V33 P 5V-to-3.3V regulator Vout & 3.3 input
86 V5 P 5V Power input. It need be NC if using external regulator
87 PAMBER2 B (pd) Amber LED indicator for DSPORT2
88 PGREEN4 B (pd) Green LED indicator for DSPORT4

Type:

  • O Output
  • I Input
  • B Bi-directional
  • P Power / Ground
  • A Analog
  • pu Internal pull up
  • pd Internal pull down