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PDF ATSAM3303 Data sheet ( Hoja de datos )
| Número de pieza | ATSAM3303 | |
| Descripción | GM-Lite Synthesizer/Professional Effects DSP | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Three DSPs and 24-bit Audio Router On-chip
• 32 kHz to 96 kHz Sampling Rate
• 16-bit Microcontroller On-chip
• Variety of I/Os, including SmartMedia™ and DataFlash®
• Embedded RAM for Single Chip Operation (530 Kbits)
• Warm Start Power-down
• 1 µA Typical Deep Power-down, 0.5 mW/MIPS Typical Operating
• External Flash/ROM Capability
• Available in a 100-lead TQFP Package
• Ideal for Real-time Audio Applications
– Wavetable Synthesis (GM-Lite)
– MP3 Decoding
– Effect Processing (Reverb, Echo, Chorus, etc.)
– Filtering, Sampling Rate Conversion
• Typical Applications: Cellular Phones, MP3 Player, Musical Instruments, Consumer
Electronic, Professional Audio
Description
The ATSAM3303 is a member of the new ATSAM3000 family that uses the DSP array
technology. The ATSAM3303 includes three 24-bit DSPs, a 24-bit Audio Router and a
general-purpose 16-bit on-chip CISC microcontroller. Its high performance and flexibil-
ity allow implementation of professional-quality audio applications, such as MP3
decoding, Wavetable synthesis, effect processing and mixing. A variety of I/Os, includ-
ing external Wave ROM, SmartMedia and DataFlash are provided. Sampling rates up
to 96 kHz at 24 bits are supported.
Audio
Processing
ATSAM3303
GM-Lite
Synthesizer/
Professional
Effects DSP
6091A–DRMSD–07/04
1 page  
ATSAM3303
DSP Capacity and I/O Configuration
DSP Considerations
I/O Selection
Considerations
Host-controlled Operation
Stand-alone Operation
The ATSAM3303 includes three P24 DSPs.
Table 1 lists the performance levels achievable by the P24.
Table 1. P24 Performance Levels
Function
MP3 decode
12-voice wavetable synthesis @32kHz
8-voice wavetable synthesis @48kHz
Stereo reverb and chorus @48kHz
31-band equalizer @96kHz
Stereo 31-band equalizer @48kHz
P24s Required
3
1
1
1
3
3
The ATSAM3303 runs firmware directly from an external ROM/Flash memory. It may
also run firmware from local RAM, thus freeing many I/O pins, which can then be used
for application-dependent functions. The ATSAM3303 is the ideal choice when wavet-
able synthesis or many I/O pins are required.
I/Os are organized in groups that can be mutually exclusive because they share the
same IC pins (please refer to the pinout to identify the exclusions). The two main types
of operation are host controlled and stand-alone.
There are three main possible ways of communication with a host processor:
• 8-bit parallel MPU type bi-directional interface signals: D7-D0, CS, WR, RD, A0, IRQ
• Asynchronous serial, MIDI_IN and, optionally, MIDI_OUT
• Synchronous serial signals: SDIN, SCLK, SYNC, INT
Possible stand-alone modes are:
• Firmware into external ROM or Flash memory
• Firmware into external EEPROM or DataFlash
• Firmware into external SmartMedia. In this case, the firmware should reside in the
SmartMedia reserved sectors starting at sector 1.
6091A–DRMSD–07/04
5
5 Page 
Mechanical Dimensions
Figure 4. Thin Plastic 100-lead Quad Flat Pack (TQFP100B)
ATSAM3303
Table 4. Package Dimensions in mm
Denomination
Min
A 1.40
A1 0.05
A2 1.35
L 0.45
D
D1
E
E1
P
B 0.13
Nom
1.50
0.10
1.40
0.60
14.00
12.00
14.00
12.00
0.40
0.18
Max
1.60
0.15
1.45
0.75
0.23
6091A–DRMSD–07/04
11
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet ATSAM3303.PDF ] | |
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