AT43USB353M_03 Datasheet, PDF (1/5 Pages) ATMEL Corporation – Low Cost USB Microcontroller with Hub, ADC and PWM

Features
• AVR^® Microcontroller-based Function Controller and Hub
• Binary-compatible with the AT43USB355
• Fully Programmable Full-Speed USB 2.0 Hub with Two External
and One Attached Downstream Ports
• Full Speed USB Function with Four Endpoints
• High Performance and Low Power 12/24 MIPs AVR RISC Microcontroller
• 120 Powerful Instructions – Most with 83/41.5 ns Execution Cycle Times
• 24 KB Masked ROM Program Memory
• 1 KB Internal Data SRAM
• 32 x 8 General-purpose Working Registers
• 15 Programmable I/O Port Pins
• 12-channel 10-bit Analog-to-Digital Converter (ADC)
• One 8-bit Timer/Counter with Separate Pre-scaler
• One 16-bit Timer/Counter with Separate Pre-scaler and Two PWMs
• External and Internal Interrupt Sources
• Programmable Watchdog Timer
• Low Power Suspend Mode
• 6 MHz Crystal Oscillator with PLL
• 5V Operation with On-chip 3.3V Regulators
• 48-lead LQFP Package
DP0
DM0
XTAL1
XTAL2
LFT
CPUSEL
USB
CLOCK
GENERATOR
AVR
RSTN
TEST
ROM
AND
SRAM
HUB
REPEATER
GPIO
ADC
TIMER/
COUNTERS
VOLTAGE
REGULATORS
DP2
DM2
DP3
DM3
PA[0:7]
PD[0:6]
ADC[0:11]
VCC[1,2,A]
VSS[1,2,A]
V33[1,2,A]
Low Cost
USB
Microcontroller
with Hub, ADC
and PWM
AT43USB353M
Summary
Rev. 3307AS–USB–02/03
1