ATMEL AT43USB353M Low cost usb microcontroller with hub, adc and pwm Datasheet

Features
• AVR® Microcontroller-based Function Controller and Hub
• Binary-compatible with the AT43USB355
• Fully Programmable Full-Speed USB 2.0 Hub with Two External
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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
Low Cost
USB
Microcontroller
with Hub, ADC
and PWM
AT43USB353M
DP2
DP0
DM0
USB
HUB
REPEATER
Summary
DM2
DP3
XTAL1
DM3
CLOCK
GENERATOR
GPIO
XTAL2
PA[0:7]
LFT
PD[0:6]
AVR
ADC
CPUSEL
ADC[0:11]
TIMER/
COUNTERS
VCC[1,2,A]
RSTN
TEST
ROM
AND
SRAM
VSS[1,2,A]
VOLTAGE
REGULATORS
V33[1,2,A]
Rev. 3307AS–USB–02/03
1
Overview
The Atmel AT43USB353M is a full-speed USB AVR-based microcontroller with a full-speed
USB 2.0 compliant embedded hub especially suitable for use in applications requiring Analogto-Digital converters (ADCs) and PWMs such as in force feedback game controllers. The USB
hub has 3 downstream ports, one of which is permanently attached to the USB function. The
USB function controller has its own device address and endpoints. In game controller applications, the two external downstream USB ports can be used to connect other devices such as
headphone sets for voice commands flash memory modules or any other USB device.
The MCU of the AT43USB353M is a high performance 8-bit AVR RISC that operates at a
clock frequency of 12 MHz or 24 MHz. Its program memory is a 24-Kbyte mask programmable
ROM and its data memory is 1-Kbyte SRAM. The ADC has a minimum conversion time of
12 ms that together with the 12 input channels should cover even the most demanding game
controllers such as gamepads, joysticks and racing wheels. The two PWM outputs can be programmed for 8-, 9- or 10-bit resolution for applications requiring force feedback. The 15
general-purpose programmable I/O pins provide generous inputs for the various buttons and
switches and LED indicators that are being used in increasing numbers in today’s game
controllers.
The USB function has one control endpoint and three additional programmable endpoints,
each with their own FIFOs. Two of the endpoints have a 64-byte FIFO each, while the third
has an 8-byte FIFO. The USB hardware supports the physical and link layers of the USB protocol while the transaction layer function must be implemented in the MCU’s firmware. The
AVR architecture was developed to be efficiently programmed in C and without loss in
performance.
The AT43USB353M is binary-compatible with the AT43USB355. Firmware written for the
AT43USB355 will run on the AT43USB353M without modification as long as only features
common to both devices are used.
Development
Support
2
The AT43USB353M uses the same program and development tools as the AT43USB355 and
other Atmel AVR microcontrollers including: C compilers, macro assemblers, program debuggers/simulators, in-circuit emulators. The development kit is the AT43DK355, which comes
with USB firmware library and sample source code for the most common USB applications.
AT43USB353M
3307AS–USB–02/03
AT43USB353M
Ordering Information
Program Memory
Ordering Code
Package
Operation Range
Mask ROM
AT43USB353M-AC
48 LQFP
Commercial
(0°C to 70°C)
Package Type
48AA
48-lead, 7 x 7 mm Body Size, Low Profile Plastic Quad Flat Package (LQFP)
3
3307AS–USB–02/03
Packaging Information
48AA – LQFP
PIN 1
B
PIN 1 IDENTIFIER
E1
e
E
D1
D
C
0˚~7˚
A1
A2
A
L
COMMON DIMENSIONS
(Unit of Measure = mm)
Notes:
1. This package conforms to JEDEC reference MS-026, Variation BBC.
2. Dimensions D1 and E1 do not include mold protrusion. Allowable
protrusion is 0.25 mm per side. Dimensions D1 and E1 are maximum
plastic body size dimensions including mold mismatch.
3. Lead coplanarity is 0.08 mm maximum.
SYMBOL
MIN
NOM
MAX
A
–
–
1.60
A1
0.05
–
0.15
A2
1.35
1.40
1.45
D
8.75
9.00
9.25
D1
6.90
7.00
7.10
E
8.75
9.00
9.25
E1
6.90
7.00
7.10
B
0.17
–
0.27
C
0.09
–
0.20
L
0.45
–
0.75
e
NOTE
Note 2
Note 2
0.50 TYP
10/5/2001
R
4
2325 Orchard Parkway
San Jose, CA 95131
TITLE
48AA, 48-lead, 7 x 7 mm Body Size, 1.4 mm Body Thickness,
0.5 mm Lead Pitch, Low Profile Plastic Quad Flat Package (LQFP)
DRAWING NO.
48AA
REV.
C
AT43USB353M
3307AS–USB–02/03
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Printed on recycled paper.
3307AS–USB–02/03
xM
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