1-32
Pin No.
Port Name
I/O
FUNCTION
1
LRCK
I
LRCK Clock Input (fs).
(1)
2
DATA
I
Serial Audio Data Input.
(1)
3
BCK
I
Bit Clock Input for Serial Audio Data.
(1)
4
CLKO
O
Buffered Output of System Clock.
5
XTI
I
Oscillator Input / External Clock Input.
6
XTO
O
Oscillator Output.
7
DGND
-
Digital Ground.
8
V
DD
-
Digital Power. + 5 V
9
V
CC
2R
-
Analog Power. + 5V
10
AGND2R
-
Analog Ground.
11
EXTR
O
Rch, Common Pin of Analog Output Amp.
12
NC
-
Non Connection.
13
V
OUT
R
O
Rch, Analog Voltage Output of Audio signal.
14
AGND1
-
Analog Ground.
15
V
CC
1
-
Analog Power. + 5 V
16
V
OUT
L
O
Lch, Analog Voltage Output of Audio signal.
17
zeror
O
Rch Zero Data Flag (Open Drain)
18
EXTL
O
Lch, Common Pin of Analog Output Amp
19
AGND2L
-
Analog Ground.
20
V
CC
2L
-
Analog Power. + 5 V
21
zerol
O
Lch Zero Data Flag (Open Drain)
22
rst
I
Reset. When this pin is LOW, the DF & modulators are held in reset.
(2)
23
cs
/ IWO
I
Chip Select / Input format selection. (3)
24
MODE
I
Mode Control Select. (H: Software, L: Hard ware)
(2)
25
mute
I
Mute Control.
(2)
26
MD / DM0
I
Mode Control, Data / De-emphasis selection 1.
(2)
27
MC / DM1
I
Mode Control, BCK / De-emphasis selection 2.
(2)
28
ML / IIS
I
Mode Control, WDCK / Input format selection.
(2)
(1) Pins 1, 2, 3: Schmitt-trigger input.
(2) Pins 22, 24, 25, 26, 27, 28: Schmitt-trigger input with internal pull-up.
(3) Pin 23: Schmitt-trigger input with internal pull-down.
PCM1735
Mode
Control
I/F
Serial
Input
I/F
Low-pass
Filter
Low-pass
Filter
BPZ-Cont
DAC
DAC
Crystal OSC
Power Supply
EXTL
V
OUT
R
V
OUT
L
Open drain
ZEROL
DGND
V
DD
AGND1
V
CC
1
SCK
RST
MC/DM1
MD/DM0
ML/IIS
DATA
BCK
LRCK
CLKO
XTO
XTI
EXTR
AG
ND
2
R
V
CC
2R
AG
ND
2
L
V
CC
2L
MODE
MUTE
CS/IWO
Multi-level
Delta-Sigma
Modulator
8X Oversampling
Digital Filter
with
Function Controller
ZEROR
22
25
24
23
26
27
28
2
1
3
4
15
14
8
7
17
21
11
13
18
16
5
6
10
9
19
20
PCM1735
Содержание DV-17
Страница 11: ...1 8 WIRING DIAGRAM 1 9 1 10...
Страница 12: ...1 11 1 12 1 9 BLOCK DIAGRAM...
Страница 13: ...1 13 1 14 1 10 SCHEMATIC DIAGRAM AND PARTS LOCATION...
Страница 14: ...1 15 1 16...
Страница 15: ...1 17 1 18...
Страница 16: ...1 19 1 20...
Страница 17: ...1 21 1 22...
Страница 42: ......
Страница 60: ...3 13...