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USB2512I датащи(PDF) 11 Page - SMSC Corporation

номер детали USB2512I
подробное описание детали  Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller
PDF  37 Pages
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производитель  SMSC [SMSC Corporation]
домашняя страница  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB2512I датащи(HTML) 11 Page - SMSC Corporation

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Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller
Datasheet
SMSC USB2512i
11
Revision 1.92 (11-28-07)
DATASHEET
0
1
Configured as an SMBus slave for external download of user-defined
descriptors.
SMBus slave address 58 (0101100x)
Strap Options Disabled
All Settings Controlled by Registers
1
0
Internal Default Configuration
Strap Options Enabled
Bus Power Operation
1
1
2-Wire I2C EEPROMS are supported.
Strap Options Disabled
All Settings Controlled by Registers
Table 3.3 USB2512i Power, Ground, and No Connect
PACKAGE SYMBOL
36-QFN EMB
FUNCTION
VDD18
14
VDD Core
This pin must have a 1.0
μF (or greater) ±20% (ESR <0.1Ω) capacitor to
VSS.
VDD33PLL
36
VDD 3.3 PLL Regulator Reference
+3.3V power supply for the PLL. If the internal PLL 1.8V regulator
is enabled, then this pin acts as the regulator input.
VDDPLL18
34
VDD PLL
This pin must have a 1.0
μF (or greater) ±20% (ESR <0.1Ω) capacitor to
VSS.
VDDA33
5
10
29
VDD Analog I/O
+3.3V Filtered analog PHY power, shared between adjacent ports.
VDD33/VDD33CR
23
15
VDDIO/VDD 3.3 Core Regulator Reference
+3.3V power supply for the Digital I/O
If the internal core regulator is enabled, then VDD33CR acts as the
regulator input.
NC
6
7
8
9
18
19
20
21
No Connect
Leave unconnected on the circuit board.
Table 3.2 SMBus or EEPROM Interface Behavior (continued)
CFG_SEL1
CFG_SEL0
SMBUS OR EEPROM INTERFACE BEHAVIOR



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