Specifications

3
AT83SND2CMP3
7524D–MP3–07/07
Block Diagram
Figure 1. Block Diagram
Clock and PLL
Unit
Control Unit
Interrupt
Handler Unit
FILT
X2
X1
MP3
SD / MMC
Interface
I/OPorts
MDAT
P0-P4
VSSVDD
Keyboard
Interface
KIN0
I
2
S/PCM
Audio
INT0
INT1
3 Alternate function of Port 3
4 Alternate function of Port 4
Timers 0/1
T1
T0
MCLK
MCMD
RST
DSEL
DCLK
SCLK
DOUT
USB
Controller
D+
D-
UART
RXD
TXD
Watchdog
UVSSUVDD
and
BRG
3
3
3
3
3
Audio
Decoder
Interface
PA
Audio
DAC
Unit
HSR
HSL
AUXP
3
AUXN
LINEL
LINER
MONOP
MONON
PAINP
PAINN
HPP
HPN
X1
X2