AT43301 Datasheet, PDF (1/2 Pages) ATMEL Corporation – USB HUB CONTROLLER

USB PRODUCTS
AT43301
LOW COST
USB HUB
CONTROLLER
• Bus or Self Powered USB Hub
Operation
• Bus Powered Controller in the
Self Powered Mode
• One Upstream Port Plus Four
Downstream Ports
• Integrated Hub Protocol Controller
• Global Over-Current Sensing
• Ganged Port Power Switching
• 6 MHz Oscillator with PLL
• On Chip 3.3V Voltage Regulator
• 24-Pin SOIC
LFT
OSC1
OSC2
DP0
DM0
SELF/BUS
TEST
LPSTAT
CEXT1
CEXT2
VCC
VSS
VSS
OSC
&
PLL
SERIAL
INTERFACE
ENGINE
HUB
REPEATER
PORT4
PORT3
PORT2
HUB
CONTROLLER
PORT1
DP4
DM4
DP3
DM3
DP2
DM2
DP1
DM1
PWR
OVC
STAT