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ATSAM3108B Datasheet(PDF) 7 Page - ATMEL Corporation

Part # ATSAM3108B
Description  Audio Processing
PDF  23 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATSAM3108B Datasheet(HTML) 7 Page - ATMEL Corporation

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7
6092C–DRMSD–12-Feb-07
ATSAM3108B
SMC
1
In
4
SmartMedia configuration. This pin is sensed after power-up. If found
low, it is assumed that a SmartMedia connector is present. The built-in
firmware will wait for SmartMedia SMPD.
P0.12
1
In
4
General-purpose input pin
RD
2
In
5
Slave 8-bit interface read, active low. D7 - D0 data is output when RD
goes low and CS is low
R|B
2
In
5
SmartMedia Ready Busy/ status
P0.13
2
In
5
General-purpose input pin
IRQ
8
Out
6
Slave 8-bit interface interrupt request. High when data is ready to be
transferred from chip to host. Reset by a read from host (CS = 0 and RD
= 0)
SMRE
8
Out
6
SmartMedia read enable (RE), active low
FS0
8
In
6
Frequency sense, sensed at power up. Together with FS1, allows the
firmware to know the operating frequency of the chip (see FS1).
P0.8
8
I/O
6
General-purpose I/O pin
INT
8
Out
6
Serial slave synchronous interface data request, active low.
MIDI_IN
9
In
7
Serial MIDI in
P0.14
9
In
7
General-purpose input pin
SDIN
9
In
7
Serial slave synchronous interface input data
MIDI_OUT
10
Out
8
Serial MIDI out
FS1
10
In
8
Frequency sense, sensed at power up. FS1/FS0 allow firmware to know
operating frequency of chip as follows:
00
6.9552 MHz
01
9.6 MHz
10
11.2896 MHz
11
12.288 MHz
P0.9
10
I/O
8
General-purpose I/O
DABD3 - 0
42, 41, 40, 39
Out
-
Four stereo channels of digital audio output, I2S format
CLBD
6
Out
-
Audio bit clock for DABD3 - 0. Audio bit clock for DAAD3 - 0 if the
corresponding CLAD3 - 0 is not used.
WSBD
7
Out
-
Audio left/right channel select for DABD3 - 0. Audio left/right channel for
DAAD3 - 0 if the corresponding WSAD3 - 0 is not used.
CKOUT
5
Out
-
External DAC/Codec master clock. Same frequency as X2 pin. Can be
programmed to be 128xFs, 192xFs, 256xFs, 384xFs, where Fs is the
DAC/Codec sampling rate.
DAAD0
34
In
9
Stereo audio data input, I2S format. Can operate on CLBD master rate
or CLAD0 external rate when sampling rate conversion is requested.
P0.15
34
In
9
General-purpose input pin
DAAD3 - 1
38, 37, 35
In
Pd
-
Three additional channels of stereo audio input, I2S format. Can
individually operate on CLBD master rate or corresponding CLAD3 - 1
when sampling rate conversion is requested.
DAAD3 - 1 have built-in pull-downs. They may be left open if not used.
Table 6-1.
Pinout by Pin Name (Continued)
Pin Name
Pin Number
Type
Sharin
g
Description



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