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PDF USB2503A Data sheet ( Hoja de datos )
| Número de pieza | USB2503A | |
| Descripción | Integrated USB 2.0 Compatible 3-Port Hub | |
| Fabricantes | Microchip | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de USB2503A (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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USB2503/USB2503A
Integrated USB 2.0 Compatible 3-Port Hub
Highlights
• Integrated USB 2.0 Compatible 3-Port Hub
- 3 Transaction Translators for highest perfor-
mance
- High-Speed (480Mbits/s), Full-Speed
(12Mbits/s) and Low-Speed (1.5Mbits/s)
compatible
- Full power management with per port or
ganged, selectable power control
- Detects Bus-Power/Self-Power source and
changes mode automatically
• Complete USB Specification 2.0 Compatibility
- Includes USB 2.0 Transceivers
• VID/PID/DID, and Port Configuration for Hub via:
- Single Serial I2C EEPROM
- SMBus Slave Port
• Default VID/PID/DID, allows functionality when
configuration EEPROM is absent
• Hardware Strapping options allow for configura-
tion without an external EEPROM or SMBus Host
• On-Board 24MHz Crystal Driver Circuit or 24 MHz
external clock driver
• Internal PLL for 480MHz USB 2.0 Sampling
• Internal 1.8V Linear Voltage Regulator
• Integrated USB termination and Pull-up/Pull-down
resistors
• Internal Short Circuit protection of USB differential
signal pins
• 1.8 Volt Low Power Core Operation
• 3.3 Volt I/O with 5V Input Tolerance
• 48-Pin QFN RoHS compliant package
2007 - 2016 Microchip Technology Inc.
DS000002249A-page 1
1 page  
USB2503/USB2503A
2.0 PIN TABLE 3-PORT
TABLE 2-1: 3-PORT PIN TABLE
USBDP0
USBDP1
USBDP3
GR3/
PRT_DIS0
PRTPWR_POL
GANG_EN
SDA/SMBDATA
XTAL1/CLKIN
TEST1
UPSTREAM USB 2.0 INTERFACE (3-PINS)
USBDN0
VBUS_DET
3-PORT USB INTERFACE (18-PINS)
USBDN1
USBDN3
PRTPWR1
USBDP2
GR1/
NON_REM0
PRTPWR2
OCS1_N
RBIAS
OCS2_N
SERIAL PORT (3-PINS)
SCL/SMBCLK/CFG_-
SEL0
CFG_SEL1
MISC (8-PINS)
XTAL2
TEST0
RESET_N
ATEST/
REG_EN
POWER & GROUNDS (16-PINS)
USBDN2
GR2/
NON_REM1
PRTPWR3
OCS3_N
SELF_PWR
CLKIN_EN
2007 - 2016 Microchip Technology Inc.
DS000002249A-page 5
5 Page 
USB2503/USB2503A
TABLE 4-5:
Buffer
IOSD12
ICLKx
OCLKx
I-R
IO-U
AIO
BUFFER TYPE DESCRIPTIONS (CONTINUED)
Description
Open drain….12mA sink with Schmitt trigger, and must meet I2C-Bus Specification Version 2.1
requirements.
XTAL Clock Input
XTAL Clock Output
*RBIAS.
Defined in USB Specification.
Note: Meets USB 1.1 requirements when operating as a 1.1-compliant device and meets USB
2.0 requirements when operating as a 2.0-compliant device.
Analog Input/output. Per PHY test requirements.
2007 - 2016 Microchip Technology Inc.
DS000002249A-page 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet USB2503A.PDF ] | |
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