46
TS-2000/X
CODEC (24 bit) : AK4524 (Control unit IC518)
■
Block diagram
Control Register I/F
DATT
SMUTE
HPF
DATT
Audio I/F
Controller
ADC
DAC
3
2
26
1
11
25
28
27
17
16
15
12
13
14
20
4
6
5
23
22
24
19
Clock Gen. & Divider
18
21
8
9
10
AINL
AINR
VCOM
AOUTL+
AOUTL–
AOUTR+
AOUTR–
VD
VT
DGND
PD
LRCK
BICK
SDTO
SDTI
M/S
VREF
VA
AGND
CS
CCLK CDTI
CIF
CLKO XTO
XTI
XTALE
■
Pin function
No.
Name
I/O
Function
1
VCOM
O
Common voltage output pin, VA/2.
Bias voltage os ADC inputs and DAC
outputs.
2
AINR
I
Rch analog input pin.
3
AINL
I
Lch analog input pin.
4
VREF
I
Voltage reference input pin, VA.
Used as a voltage reference by ADC
& DAC, VREF is connected externally
to filtered VA.
5
AGND
–
Analog ground pin.
6
VA
–
Analog power supply pin, 4.75~5.25V
7
TEST
I
Test pin. (Internal pull-down pin)
8
XTO
O
X’tal output pin.
9
XTI
I
X’tal/master clock input pin.
10
XTALE
I
X’tal osc enable pin.
“H” : Enable, “L” : Disable
11
LRCK
I/O
Input/output channel clock pin.
12
BICK
I/O
Audio serial data clock pin.
13
SDTO
O
Audio serial data output pin.
14
SDTI
I
Audio serial data input pin.
15
CDTI
I
Control data input pin.
16
CCLK
I
Control data clock pin.
17
CS
I
Chip select pin.
18
CIF
I
Control data I/F format pin.
“H” : CS falling trigger,
“L” : CS rising trigger
19
PD
I
Power down mode in.
“H” : Power up, “L” : Power down
reset and initialize the control register.
Mixer : TA4101F (TX-RX 1 unit IC6)
■
Equivalent circuit
3 : OSC in
2 : Vcc
8 : Collector
1 : IF out
4 : Base
6 : Base
7 : GND
5 : Base
RL1
RL2
R1
RB1
RB2
R2
RB3
RB4
R3
RE1
RE2
R4
Q1
Q2
Q3
Q4
Q5
Q6
No.
Name
I/O
Function
20
M/S
I
Master/slave mode pin.
“H” : Master mode, “L” : Slave mode
21
CLKO
O
Master clock output pin.
22
VT
–
Output buffer power supply pin,
2.7~5.25V.
23
VD
–
Digital power supply pin, 4.75~5.25V.
24
DGND
–
Digital ground pin.
25
AOUTL–
O
Lch negative analog output pin.
26
AOUTL+
O
Lch positive analog output pin.
27
AOUTR–
O
Rch negative analog output pin.
28
AOUTR+
O
Rch positive analog output pin.
Note : All input pins except pull-down pins should not be left floating.
SEMICONDUCTOR DATA
Summary of Contents for TS-2000
Page 132: ...TS 2000 X TS 2000 X 134 WIRING ...
Page 142: ...1 2 B A D F C E G I H J 3 5 7 9 4 6 8 10 12 14 11 13 TS 2000 X CIRCUIT DIAGRAM 165 ...
Page 144: ...1 2 B A D F C E G I H J 3 5 7 9 4 6 8 10 12 14 11 13 TS 2000 X CIRCUIT DIAGRAM 169 ...
Page 167: ...234 TS 2000 X MC 52DM MULTI FUNCTION MICROPHONE WITH DTMF Schamatic Diagram ...