Datasheet

722
AT32UC3A
34.3 Block Diagram
Figure 34-1. Functional Block Diagram
34.4 Pin Name List
34.5 Product Dependencies
34.5.1 I/O Lines
The output pins used for the output bitstream from the Audio Bitstream DAC may be multiplexed
with PIO lines.
Before using the Audio Bitstream DAC, the PIO controller must be configured in order for the
Audio Bitstream DAC I/O lines to be in Audio Bitstream DAC peripheral mode.
34.5.2 Power Management
The PB-bus clock to the Audio Bitstream DAC is generated by the power manager. Before using
the Audio Bitstream DAC, the programmer must ensure that the Audio Bitstream DAC clock is
enabled in the power manager.
Table 34-1. I/O Lines Description
Pin Name Pin Description Type
DATA0 Output from Audio Bitstream DAC Channel 0 Output
DATA1 Output from Audio Bitstream DAC Channel 1 Output
DATAN0 Inverted output from Audio Bitstream DAC Channel 0 Output
DATAN1 Inverted output from Audio Bitstream DAC Channel 1 Output
Clock Generator
Equalization FIR
COMB
(INT=128)
Sigma-Delta
DA-MOD
Equalization FIR
COMB
(INT=128)
Sigma-Delta
DA-MOD
bit_clk
bit_out1
bit_out2
clk
sample_clk
din1[15:0]
din2[15:0]
Audio Bitstream DAC
32058K
AVR32-01/12