4 / 48 page

SigmaTel, Inc.
Data Sheet
STAC9721
4
04/07/00
04/07/00
Figure 1. Package Outline
SigmaTel
48 pin TQFP
a
D1
D
e
E1
E
38
26
14
2
Table 1. Package Dimensions
Key
TQFP Dimensions
D
9.00 mm
D1
7.00 mm
E
9.00 mm
E1
7.00 mm
a (lead
width)
0.20 mm
e (pitch)
0.50 mm
thickness
1.4 mm
Table 2. Pin Designation
PIN
#
Signal Name
PI
N #
Signal Name
PIN
#
Signal Name
PIN
#
Signal Name
1
DVdd1
13
PHONE
25
AVdd1
37
MONO_OUT
2
XTL_IN
14
AUX_L
26
AVss1
38
AVdd2
3
XTL_OUT
15
AUX_R
27
Vref
39
LNLVL_OUT_L
4
DVss1
16
VIDEO_L
28
Vrefout
40
NC
5
SDATA_OUT
17
VIDEO_R
29
AFILT1
41
LNLVL_OUT_R
6
BIT_CLK
18
CD_L
30
AFILT2
42
AVss2
7
DVss2
19
CD_GND
31
CAP1
43
NC
8
SDATA_IN
20
CD_R
32
CAP2
44
NC
9
DVdd2
21
MIC1
33
CAP3
45
CID0
10
SYNC
22
MIC2
34
APOP
46
CID1
11
RESET#
23
LINE_IN_L
35
LINE_OUT_L
47
EAPD
12
PC_BEEP
24
LINE_IN_R
36
LINE_OUT_R
48
NC
# denotes active low