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MAS3549F Datenblatt(PDF) 57 Page - Micronas

Teilenummer MAS3549F
Bauteilbeschribung  MAS 35x9F MPEG Layer 2/3, AAC Audio Decoder, G.729 Annex A Codec
PDF  92 Pages
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Hersteller  MICRONAS [Micronas]
Direct Link  http://www.micronas.com
Logo MICRONAS - Micronas

MAS3549F Datenblatt(HTML) 57 Page - Micronas

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DATA SHEET
MAS 35x9F
Micronas
June 30, 2004; 6251-505-1DS
57
4.2. Pin Connections and Short Descriptions
NC = not connected, leave vacant
LV = if not used, leave vacant
S.T.B. = shorted to BAGNDI if not used
DVSS = if not used, connect to DVSS
OBL = obligatory; connect as described in circuit diagram
AHVSS = connect to AHVSS
Pin No.
Pin Name
Type
Connection
Short Description
PLQFP
64-1
PMQFP
64-2
PQFN
64-1
(If not used)
1
1
1
AGNDC
OBL
Analog reference voltage
2
2
2
MICIN
IN
LV
Input for internal micro-
phone amplifier
3
3
3
MICBI
IN
LV
Bias for internal microphone
4
4
4
INL
IN
LV
Left A/D input
5
5
5
INR
IN
LV
Right A/D input
6
6
6
TE
IN
OBL
Test enable
7
7
7
XTI
IN
OBL
Crystal oscillator (ext. clock)
input
8
8
8
XTO
OUT
LV
Crystal oscillator output
999
POR
IN
OBL
Power on reset, active low
10
10
10
VSS
SUPPLY
OBL
DSP supply ground
11
11
11
XVSS
SUPPLY
OBL
Digital output supply ground
12
12
12
VDD
SUPPLY
OBL
DSP supply
13
13
13
XVDD
SUPPLY
OBL
Digital output supply
14
14
14
I2CVDD
SUPPLY
OBL
I2C supply
15
15
15
DVS
IN
OBL
I2C device address selector
16
16
16
VSENS1
IN/OUT
VDD
Sense input and power out-
put
of DC/DC 1 converter
17
17
17
DCSO1
SUPPLY
LV
DC/DC 1 switch output
18
18
18
DCSG1
SUPPLY
VSS
DC/DC 1 switch ground
19
19
19
DCSG2
SUPPLY
VSS
DC/DC 2 switch ground
20
20
20
DCSO2
SUPPLY
LV
DC/DC 2 switch output
21
21
21
VSENS2
IN/OUT
VDD
Sense input and power out-
put
of DC/DC 2 converter
22
22
22
DCEN
IN
VSS
DC/DC enable (both con-
verters)



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