-27-
Pin No.
Pin Name
I/O
Description
34
35
36
37
38
39
40
41
42
43
44
PI3
PI12
PI11
PI10
CLKO
PUP
WSEN
WRDY
AVDD
CLKI
AVSS
I/O
I/O
I/O
I/O
O
O
I
O
–
I
–
Start-up 1): Enable layer 3/Disable layer 3 decoding,
Operation 2): MPEG header bit 20 (Sampling frequency)
Start-up 1): Enable layer 2/Disable layer 2 decoding,
Operation 2): MPEG header bit 21 (Sampling frequency)
Start-up 1): SDO: select 32-bit mode/16-bit I
2
S mode
Operation 2): MPEG header bit 30 (Emphasis)
Start-up 1): Select multimedia mode/broadcast mode,
Operation 2): MPEG header bit 31 (Emphasis)
Clock output for the D/A converter
Power up, i.e. status of voltage supervision
Enable DSP and start DC/DC converter
If WSEN = 0: valid clock input at CLKI. If WSEN = 1: clock syntehsizer PLL locked
Supply for analog circuits
Clock input
Ground supply for analog circuits
IC DESCRIPTION - 3/6 (MAS3507D-G10) - 2/2
