參數(shù)資料
型號(hào)： MB86434PF
廠商： FUJITSU LTD
元件分類： 通信及網(wǎng)絡(luò)
英文描述： 5V Single Power Supply Audio Interface Unit (AIU)
中文描述： SPECIALTY TELECOM CIRCUIT, PQFP64
封裝： PLASTIC, QFP-64
文件頁(yè)數(shù)： 16/38頁(yè)
文件大小： 574K
代理商： MB86434PF
MB86434
16
(6) Codec
Input/output
Both the
μ
-law and A-law coding/decoding conversion processes used by the MB86434 codec are compatible with
CCITT Recommendation G.711. In addition, linear coding in the form of 14-bit two’s complement code can be output
starting with MSB values.
The codec SYNC pin
The codec block requires the input of an 8 kHz sampling clock signal at the SYNC pin, as well as a data transfer
clock at the CLK pin. In order to conserve power consumption, whenever the SYNC pin or CLK pin signal is inactive,
the system goes into SYNC power-down mode and stops code conversion.
Also, if either the SYNC or CLK pins encounters jitter of 5
μ
s or greater, the system may go into power-down
mode.Table shows the status of output pins in SYNC power-down mode.
MSB
Code
LSB
PTBO reference voltage (V)
Pin symbol
Operation
SGC
SGO
VRH
DOUT
PTBO
BTPO
Normal operation (2.4 V)
Normal operation (2.4 V)
Normal operation (4.0 V)
H-level fixed
SGC
High impedance
SYNC
Din, Dout
MSB
12
11
10
1
LSB
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
1
0
1
1
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
1
0
0
0
0
1
1
1
0
0
1
0
1
0
0
1
0
to
to
1.1766
to
2.3986
2.4000
2.4014
to
3.6235
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB86435 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:3 V Single Power Supply Audio Interface Unit (AIU)
MB86435PFV 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:3 V Single Power Supply Audio Interface Unit (AIU)
MB86437 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:3 V Single Power Supply Audio Interface Unit (AIU)
MB86437PFV 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:3 V Single Power Supply Audio Interface Unit (AIU)
MB865F-R 制造商:IBase Technology (USA) Inc. 功能描述:ATX, LGA775 FOR P4/CELERON, 865G, VGA, 82551 10/100BT X 1 + - Bulk
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