SM-SX1/SX1W
– 42 –
IC803 VHiTDA1307/-1: 1-Bit Conversion (TDA1307) (2/2)
39
CL
Input (Note 2)
Clock input, to be generated by the microprocessor
40
Vss
1
—
Ground 1
41
VDD3
—
Supply voltage 2
42
RAB
Input (Note 2)
Command/peak data request line
Pin No.
Port Name
Input/Output
Function
Figure 42 BLOCK DIAGRAM OF IC
1fs AUDIO DATA INPUTS
WS
SCK
SD
EFAB
1
2
3
4
TDA1307
MULTIPLE FORMAT
INPUT INTERFACE
ERROR CONCELMENT,
INTERPOLATION, MUTING
DIGITAL
OUTPUT
DIGITAL SILENCE DETECTION
DEEMPHASIS FILTER
FIR HALFBAND FILTER
STAGE 1: 1fs to 2fs
DC-CANCELING FILTER
PEAK DETECTION
FADE FUNCTION
VOLUME CONTROL
FIR HALFBAND FILTER
STAGE 2: 2 fs to 4 fs
FIR HALFBAND FILTER
STAGE 3: 4 fs to 8 fs
DITHER AND SCALING
3rd/4th ORDER
NOISE SHAPER
27
28
35
34
33
26
DOL
NDOL CDAC NDOR DOR
MODE
BITSTREAM DATA OUTPUTS
MICROPROCESSOR INTERFACE
DA 38
CL 39
RAB 42
POR 20
VDD3 8
VDD1 21
VDDOSC 24
VDDAL 29
VDDAR 32
VDD2 41
DSR 12
DSL 11
TEST1 36
TEST2 37
19 RESYNC
10 DOBM
13 DSTB
5 SBCL
6 SBDA
CRYSTAL
OSCIL-
LATOR
25 VSSOSC
22 XTAL1
23 XTAL2
15 CMIC
7 CDEC
14 CLC1
17 CLC2
18 CDCC
9 VSS2
16 VSS3
30 VSSAL
31 VSSAR
40 VSS1
CLOCK GENERATION & DISTRIBUTION
WS
SCK
SD
EFAB
SBCL
SBDA
CDEC
VDDC3
VSSC2
DOBM
DSL
DSR
DSTB
CLC1
CMIC
VSSC3
CLC2
CDCC
RESYNC
POR
VDDC1
RAB
VDDC2
VSSC1
CL
DA
TEST2
TEST1
CDAC
NDOR
DOR
VDDAR
VSSAR
VSSAL
VDDAL
NDOL
DOL
MODE
VSSOSC
VDDOSC
XTAL2
XTAL1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
TDA1307
Notes
1. These pins are configured as internal pull-down.
2. These pins are configured as internal pull-up.
