参数资料
型号: MAS3549F
厂商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分类: Codec
英文描述: MAS 35x9F MPEG Layer 2/3, AAC Audio Decoder, G.729 Annex A Codec
中文描述: 新加坡金融管理局35x9F的MPEG 2 / 3层,AAC音频解码器,G.729的附件A编解码器
文件页数: 39/92页
文件大小: 1186K
代理商: MAS3549F
DATA SHEET
MAS 35x9F
Micronas
June 30, 2004; 6251-505-1DS
39
Table 3–10:
MP3 block input mode user interface (all addresses in hex notation)
Addr.
Name
Description
D0:346
IOControlMain
bit[15]
MP3 block input select
0: MP3 block input mode OFF
1: MP3 block input mode ON
works for input at serial input interface B
(bit[9:8] of IOControlMain = 00
bin
)
Reset value is 0x8024 (see Table 3–2).
R0:68
MP3BlockConfig
bit[17]
data end bit
Disables resync timeout. Should be set by the controller at the end of
an input file (file end, stop, or pause) when the last requested data
block has been fully sent.
0: resync timeout enabled
1: resync timeout disable
no wait for end of block
bit[16]
reserved, set to “0”
bit[15]
start data request
0: MP3 decoder does not send data requests (wait loop)
1: MP3 decoder in operational mode, new input data will be requested
via pulses at the demand pin.
bit[14:0] input block size specific value, do not modify
Reset value is 0x6670. To set the start bit, the controller must write 0xe670.
R0:7e
PulseDelayCounter
bit[13:0] determines the variable fraction of the demand pulse length.
pulseLenVar[ns] = value * 88.58.
D0:34e
ResyncTimeout
bit[19:0] timeout after resync: timeout[
μ
s] = value * 3.32.
The default value is 2
19
-1, which results in a timeout of 1.74 seconds.
For an optimized resync behavior, it is recommended to set this value
to zero.
R0:5b
SerialInConfig
bit[14:0] configuration of the serial input interface
D0:350
SoftMute
bit[0]
MP3 soft mute
0: audio output on
1: audio output soft muted
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