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AT43312 Datasheet(PDF) 2 Page - ATMEL Corporation

Part No. AT43312
Description  Self- and Bus- Powered USB Hub Controller
Download  21 Pages
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT43312 Datasheet(HTML) 2 Page - ATMEL Corporation

 
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AT43312
2
Block Diagram
Note:
This document assumes that the reader is familiar with the Universal Serial Bus and therefore only describes the unique fea-
tures of the AT43312 chip. For detailed information about the USB and its operation, the reader should refer to the Universal
Serial Bus Specification Version 1.0, January 19, 1996.
Figure 1. Device Pins
HUB
CONTROLLER
SERIAL INTERFACE
ENGINE
HUB
REPEATER
ENDPOINT 0
ENDPOINT 1
PORT1
PORT2
PORT3
PORT4
Upstream port
Port0
To downstream
devices
OSC
&
PLL
SERIAL
INTERFACE
ENGINE
HUB
REPEATER
HUB
CONTROLLER
BUS/SELF
DP0
DM0
LFT
OSC1
PSC2
DP4
DM4
OVL4
PWR4
STAT4
PORT4
DP3
DM3
OVL3
PWR3
STAT3
PORT3
DP2
DM2
OVL2
PWR2
STAT2
PORT2
DP1
DM1
OVL1
PWR1
STAT1
PORT4
VREF
VCC3
VCC5
VCCA
GND


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