參數(shù)資料
型號(hào): TDA7500
廠商: STMICROELECTRONICS
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝: TQFP-100
文件頁(yè)數(shù): 31/40頁(yè)
文件大小: 391K
代理商: TDA7500
37/40
TDA7500
APPLICATION DIAGRAM
The application diagram shown on the next page must be considered as one of the examples of a (limited) ap-
plication of the chip. For the real application set-up the application notes are necessary.
Figure 22. Application diagram.
P
GND1
SPI1
GPIO3
NRESET
GND1
D
A
CREF0
D
A
CGND
VDD1
TESTEN
5
1
99
98
TESTSE
4
2
3
C3
10
F
SCKW
MISOM
6
7
MOSIM
SSM
8
9
SPI2
SCK
O
MIOOO
10
11
MOSIO
SSO
12
13
CLKIN
14
T
O
EXT
MEMOR
Y
T
O
EXT
MEMOR
Y
SAI
INTERF
A
C
E
(**)
DEB
UG
INTERF
A
C
E
GPIO8
CASALE
DRD
58
57
DRR
SRA15
56
54
SRA14
SRA13
53
52
SDI0
SDI1/SRA21/RAS
64
63
SDI2/SRA20
SDO0/SRA19
62
61
LCRCKR
SCKR
68
67
LRCKT
SCKT
66
65
DBCK1-OS11
DBIN1-OS10
71
70
DBOUT1
69
DBCK
OOS01
DBINOOS00
75
74
DBOUT0
DBR
ON1
73
72
DBCR
ON0
ADC0
ADC1
ADC2
ADC3
ADCVDOREF
ADCREF2
AIN3
AIN2
AIN1
AIN0
76
79
80
81
82
84
OUT0
90
85
SDO1/SRA18
SDO2/SRA17
60
59
RDS
INTERF
A
CES
RDSINT
RDSARI-SCK
19
20
RDSQ
U
AL-SO
RDSD
A
T
-SI
21
22
RDSSCLK-SS
INT
23
24
SRA16
CVDD2
D00A
U1195
NRESET
CVDD2
CGND2
55
51
GND2
ADCGND
VREF
GND2
VDD2
78
77
ADCGND
ADCVD00
89
88
A
VDD
15
A
GND
A
GND
XTI
A
VDD
A
GND
C1
22pF
C2
22pF
18
16
XT
O
XT
AL
R1
1M
17
CGND1
25
CVDD1
SCRCCD
SCRCM0
CGND1
CVDD1
SPDIF1
R11
100
R12
100
SPDIF2
26
27
28
DSRA7
29
DSRA6
30
DSRA5
31
DSRA4
32
DSRA3
33
DSRA2
34
DSRA1
35
DSRA0
36
SRA0
37
SRA1
38
SRA2
39
SRA3
40
SRA4
41
SRA5
42
SRA6
43
SRA7
44
SRA8
45
SRA9
46
SRA10
47
SRA11
48
SRA12
49
CGND2
50
(**)
WHEN
NO
T
USED
ALL
PINS
CONNECTED
T
O
CGND2
R2
10K
R4
10K
R3
10K
R5
10K
R9
10K
R7
10K
R8
10K
R10
10K
R6
10K
4
x
1
F
C16
100nF
C15
47
F
C14
100nF
C13
100
F
ADCREF1
ADCREF0
DA
CREF2
DA
CVCC
DA
CREF1
S2DREF
86
87
83
96
97
ADCGND
D
A
CGND
C10
100nF
C9
47
F
C12
100nF
C5
100nF
C11
47
F
C4
47
F
C7
100nF
C6
47
F
C8
4.7
F
OUT1
DAC
0
DAC
1
91
OUT2
92
OUT3
DAC
2
DAC
3
93
OUT4
94
OUT5
DAC
4
DAC
5
95
100
TEST
0
*
*=
Connected
to
CGND2
=
Connected
to
CVDD2
PIN9
GPIO3
PIN55
GPIO8
0
*
0
*
1
1
1
1
0
*
I2
C
EMI
SPI
TD
A7500
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