MAS3507D Micronas Intermetall, MAS3507D Datasheet - Page 32

• Manufacturer Part Number: MAS3507D
• Description: Mpeg 1/2 Layer 2/3 Audio Decoder
• Manufacturer: Micronas Intermetall

MAS 3507D
3.7.1.3. MPEG Status 2
The MPEG Status 2 contains the 16 LSBs of the MPEG header. It will be set directly after synchronizing to the bit
stream.
Table 3–12: MPEG Status 2
32
Address
D0:$302
Bits
19, 16
15...12
11, 10
9
8
7, 6
5, 4
3
Offset
2
Bit rate index
%0000
%0001
%0010
%0011
%0100
%0101
%0110
%0111
%1000
%1001
%1010
%1011
%1100
%1101
%1110
%1111
Sampling frequency
%00
%01
%10
%11
Padding bit
Private bit
Mode
%00
%01
%10
%11
Mode extension
(if joint stereo only)
%00
%01
%10
%11
%0 / 1
Value/Name
R/W
r
Name
MPEG Status 2
Comment
don’t care
MPEG 1
(Layer 2)
in kbit/s
free
32
48
56
64
80
96
112
128
160
192
224
256
320
384
forbidden
MPEG 1
44.1 kHz
48 kHz
32 kHz
reserved
stereo
joint_stereo (intensity stereo / ms_stereo)
dual channel
single_channel
intensity stereo
off
on
off
on
copyright not protected / copyright protected
Function
MPEG header
MPEG 1
(Layer 3)
in kbit/s
free
32
40
48
56
64
80
96
112
128
160
192
224
256
320
forbidden
MPEG 2
22.05 kHz
24 kHz
16 kHz
reserved
ms_stereo
off
off
on
on
PRELIMINARY DATA SHEET
MPEG 2 in kbit/s
(Layer 2 & 3)
MPEG 2.5 in kbit/s
free
8
16
24
32
40
48
56
64
80
96
112
128
144
160
forbidden
MPEG 2.5
11.025 kHz
12 kHz
8 kHz
reserved
Micronas