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PDF ATSAM3308B Data sheet ( Hoja de datos )
| Número de pieza | ATSAM3308B | |
| Descripción | Audio Processing | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Eigwhwt wD.SDaPtsaSahnedet24U4-.cboitmAudio 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 (768 Kbits)
• Warm Start Power-down
• 1µA Typical Deep Power-down, 0.5 mW/MIPS Typical Operating
• External Flash/ROM Capability
• Available in a 100-lead LQFP Package
• Ideal for Real-time Audio Applications
– Wavetable Synthesis
– MP3 Decoding
– Effect Processing (Reverb, Echo, Chorus, Equalizer)
– Filtering, Sampling Rate Conversion
• Typical Applications: Karaoke, Professional Audio, Cellular Phones, Musical
Instruments, Consumer Electronics
1. Description
The ATSAM3308B is a member of the new ATSAM3000 family that uses the DSP
array technology. The ATSAM3308B includes eight 24-bit DSPs, a 24-bit Audio
Router and a general-purpose 16-bit on-chip CISC microcontroller. Its high perfor-
mance and flexibility with 8-input/8-output channels enables implementation of audio
applications in professional-quality sound production such as MP3 decoding with time
stretch and pitch control, concurrent Wavetable synthesis, effect processing and digi-
tal mixing. A variety of I/Os, including external Wave ROM, SmartMedia® and
DataFlash® are provided. Sampling rates up to 96 kHz at 24 bits are supported.
Audio
Processing
ATSAM3308B
Multi-purpose
Audio DSP
6090D–DRMSD–12-Feb-07
1 page  
4.2 Musical Keyboard with Key Velocity
www.DataSheet4U.com
Figure 4-2. Musical Keyboard with Key Velocity
ATSAM3308B
Keyboard
Switches,
LCD Display
MIDI
ATSAM3308
ROM
DAC
ADC
Stereo
Audio In/Out
• Up to 64-voice polyphony with effects
• Choice of GM+ sampled sounds from 4 Mbits to 64 Mbits
• Maximum external memory addressing range: 128 Mbits
5. DSP Capacity and I/O Configuration
5.1 DSP Considerations
The ATSAM3308B includes 8 x P24 DSPs. Table 5-1 below lists the performance achievable by
the P24.
Table 5-1. P24 Performance
Function
MP3 decode
12-voice wavetable synthesis @32 kHz
8-voice wavetable synthesis @48 kHz
Stereo reverb and chorus @48 kHz
Stereo 31-band equalizer @48 kHz
P24s Required
3
1
1
1
3
The ATSAM3308B 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 ATSAM3308B is the ideal choice when wavetable synthesis or many
I/O pins are required.
5.2 I/O Selection Considerations
I/Os are organized in groups, which 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.
6090D–DRMSD–12-Feb-07
5
5 Page 
6.2 Pinout by Pin Number
www.DataSheet4U.com
Table 6-2. ATSAM3308B Pinout by Pin Number
Pin
# Pin Name
Pin
# Pin Name
1 WR SMC P0.12
26 WA7 P2.7
2 RD R|B P0.13
27 WA8 P2.8
3 WCS1 P1.10
28 PWROUT
4 WCS0 P1.9
29 PWRIN
5 CKOUT
30 GND
6 CLBD
31 PDWN
7 WSBD
32 DFSO
8
IRQ INT SMRE FS0
P0.8
33 RESET
9 GND
34 STIN
10 WA0 P2.0
35 STOUT
11 WA1 P2.1
36 WA9 P2.9
12 WA2 P2.2
37 WA10 P2.10
13 VC3
38 WA11 P2.11
14 WA3 P2.3
39 WA12 P2.12
15 WA4 P2.4
40 WA13 P2.13
16 WA5 P2.5
41 GND
17 MIDI_IN P0.14 SDIN
42 WA18 SMCLE P1.2
18 MIDI_OUT FS1 P0.9
43 WA19 SMWE P1.3
19 MUTE P1.6
44 WA20 SMALE P1.4
20 VC18
45 WA21 SMCE P1.5
21 WA6 P2.6
46 P1.15
22 GND
47 VC18
23 DFCS
48 WOE P1.8
24 DFSCK
25 DFSI
49 WWE P1.7
50 VC33
Pin
# Pin Name
51 WA14 P2.14
52 TEST
53 WA15 P2.15
54 DAAD0 P0.15
55 DAAD1
56 GND
57 WA16 P1.0
58 WA17 P1.1
59 DAAD2
60 DAAD3
61 WD0 P3.0
62 WD1 P3.1
63 WD2 P3.2
64 DABD0
65 DABD1
66 DABD2
67 DABD3
68 WD3 P3.3
69 WD4 P3.4
70 GND
71 X2
72 X1
73 VC18
74 LFT
75 GND
ATSAM3308B
Pin
# Pin Name
76 D0 I/O0 P0.0 WSAD0
77 D1 I/O1 P0.1 WSAD1
78 WD5 P3.5
79 WD6 P3.6
80 WD7 P3.7
81 D2 I/O2 P0.2 WSAD2
82 D3 I/O3 P0.3 WSAD3
83 VC33
84 WD8 P3.8
85 WD9 P3.9
86 WD10 P3.10
87 GND
88 WD11 P3.11
89 WD12 P3.12
90 D4 I/O4 P0.4 CLAD0
91 D5 I/O5 P0.5 CLAD1
92 WD13 P3.13
93 WD14 P3.14
94 WD15 P3.15
95 D6 I/O6 P0.6 CLAD2
96 D7 I/O7 P0.7 CLAD3
97 GND
98
A0 SMPD P0.10
SCLK
99 VC18
100 CS P0.11 SYNC
6090D–DRMSD–12-Feb-07
11
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet ATSAM3308B.PDF ] | |
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