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What is UPD720112?

This electronic component, produced by the manufacturer "NEC", performs the same function as "MOS INTEGRATED CIRCUIT".


UPD720112 Datasheet PDF - NEC

Part Number UPD720112
Description MOS INTEGRATED CIRCUIT
Manufacturers NEC 
Logo NEC Logo 


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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD720112
USB 2.0 HUB CONTROLLER
The µPD720112 is a USB 2.0 hub device that complies with the Universal Serial Bus (USB) Specification Revision
2.0 and works up to 480 Mbps. USB 2.0 compliant transceivers are integrated for upstream and all downstream ports.
The µPD720112 works backward compatible either when any one of the downstream ports is connected to a USB 1.1
compliant device, or when the upstream port is connected to a USB 1.1 compliant host.
Detailed function descriptions are provided in the following user’s manual. Be sure to read the manual before designing.
µPD720112 User’s Manual: S16617E
FEATURES
Compliant with Universal Serial Bus Specification Revision 2.0 (Data Rate 1.5/12/480 Mbps)
Certified by USB implementers forum and granted the USB 2.0 high-speed Logo
High-speed or full-speed packet protocol sequencer for Endpoint 0/1
4 (Max.) downstream facing ports
All downstream facing ports can handle high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5
Mbps) transaction.
Supports split transaction to handle full-speed and low-speed transaction on downstream facing ports when
Hub controller is working in high-speed mode.
One Transaction Translator per Hub and supports four non-periodic buffers
Supports self-powered and bus-powered mode
Supports Over-current detection and Individual or ganged power control
Supports configurable vendor ID, product ID, string descriptors and others with external Serial ROM
Supports “non-removable” attribution on individual port
Uses 30 MHz X’tal, or clock input
Supports downstream port status with LED
2.5 V and 3.3 V power supplies
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. S16616EJ2V0DS00 (2nd edition)
Date Published September 2004 NS CP (N)
Printed in Japan
2004

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UPD720112 equivalent
µPD720112
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pin Name
VDD33
VDD25
VSS
VSS
VSS
VDD33
VSS
VSS
VSS
VSS
VDD25
VSS
TEST
SCAN_MODE
BUS_SELF
LPWRM
EXROM_EN
SCL
SDA/GANG_B
VSS
Pin No.
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Pin Name
VDD33
AMBER
LED4
GREEN
LED3
LED2
LED1
CSB4
VSS
VDD25
PPB4
CSB3
PPB3
CSB2
PPB2
CSB1
PPB1
SYSRSTB
VBUSM
VDD33
Pin No.
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
Pin Name
VSS
X1_CLK
X2
VDD25
AVSS
RREF
AVSS(R)
AVDD
AVSS
AVDD
VSS
VDD25
VDD33
VSS
DMU
DPU
VDD25
VSS
RPU
VDD33
Pin No.
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Pin Name
DM1
DP1
VDD25
VSS
DM2
DP2
VDD33
VSS
DM3
DP3
VDD33
VSS
VDD25
VSS
DM4
DP4
VDD25
VSS
VSS
VSS
Remark AVSS(R) should be used to connect RREF through 1 % precision reference resistor of 2.43 k.
Data Sheet S16616EJ2V0DS
5


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