ATSAM3308B datasheet(8/27 Pages) ATMEL

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6090D–DRMSD–12-Feb-07

ATSAM3308B

CLBD

Out

Audio bit clock for DABD3 - 0. Audio bit clock for DAAD3 - 0 if the

corresponding CLAD3 - 0 is not used.

WSBD

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

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

Stereo audio data input, I2S format. Can operate on CLBD master rate

or CLAD0 external rate when sampling rate conversion is requested.

P0.15

General-purpose input pin

DAAD3 - 1

60, 59, 55

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.

MUTE

I/O

External DAC/Codec Mute. Sensed at power up. If found high, then

MUTE becomes an active high output. If found low, then MUTE

becomes an active low output.

P1.6

I/O

General-purpose I/O pin

WA21

Out

External memory address bit, extension to 64 Mbits

SMCE

Out

SmartMedia chip enable (CE), active low

P1.5

I/O

General-purpose I/O pin

WA20

Out

External memory address bit, extension to 32 Mbits

SMALE

Out

SmartMedia address latch enable (ALE)

P1.4

I/O

General-purpose I/O pin

WA19

Out

External memory address bit, extension to 16 Mbits

SMWE

Out

SmartMedia write enable (WE), active low

P1.3

I/O

General-purpose I/O pin

WA18

Out

External memory address bit, extension to 8 Mbits

SMCLE

Out

SmartMedia command latch enable (CLE)

P1.2

I/O

General-purpose I/O pin

WA17 –

WA16

58, 57

Out

External memory address bits, extension to 2 and 4 Mbits

P1.1 – P1.0

58, 57

I/O

General-purpose I/O pins

WA15 –

WA0

53, 51, 40, 39, 38,

37, 36, 27, 26, 21,

16, 15, 14, 12, 11, 10

Out

External memory address bits, up to 1 MBits (64K x 16)

P2.15 –

P2.0

53, 51, 40, 39, 38,

37, 36, 27, 26, 21,

16, 15, 14, 12, 11, 10

I/O

General-purpose I/O pins

Table 6-1.

Pinout by Pin Name (Continued)

Pin Name

Pin Number

Type

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