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PDF ( 数据手册 , 数据表 ) TA1217AN

零件编号 TA1217AN
描述 TV-SOUND PROCESSOR
制造商 Toshiba Semiconductor
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TA1217AN 数据手册, 描述, 功能
TA1217AN/AF
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA1217AN,TA1217AF
TV-SOUND PROCESSOR
TA1217AN incorporates the following circuits :
l Four sound processor circuit channels
Sound processor circuit for left channel of stereo
Sound processor circuit for right channel of stereo
Sound processor circuit for center channel of stereo
Sound processor circuit for woofer channel of stereo
l I / O ports for controlling multiplex sound demodulation IC
l I / O ports for controlling sound IC
The IC comes in a 36-pin shrink DIP or 36-pin shrink SOP.
FEATURES
l Sound processor :
· Volume control
· Balance adjustment
· Bass adjustment
· Treble adjustment
· Built-in woofer low-pass filter
l I / O port circuits :
· Circuit for controlling IC used to demodulate
· I2C bus line
multiplex sound
· Adjusts filters using bus line method
· Circuit for controlling sound IC
Weight
SDIP36-P-500-1.78 : 2.98 g (Typ.)
SSOP36-P-375-1.00 : 0.72 g (Typ.)
000707EBA1
· TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general
can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the
buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and
to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or
damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the
most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling
Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc..
· The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal
equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are
neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or
failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy
control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control
instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document
shall be made at the customer’s own risk.
· The products described in this document are subject to the foreign exchange and foreign trade laws.
· The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by
TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its
use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or
others.
· The information contained herein is subject to change without notice.
2001-01-15 1/21







TA1217AN pdf, 数据表
TA1217AN/AF
I2C BUS LINE CONTROL SIGNAL MAP
Listed below is a map of IC control signals transmitted from microcontroller via I2C bus line.
Control signal map in write mode
The control signals used to write (transmit) control data to this IC from the microcontroller are as mapped
below.
SLAVE
ADDRESS
SUB
ADDRESS
7
CONTROL SIGNAL ARRAY CONTENTS
6 54 3 2 1
0
INITIAL VALUE
00H * Bass adjustment
32H (center of
adjustment range)
01H * Treble adjustment
32H (center of
adjustment range)
80H
(pin 35 = L)
or
82H
(pin 35 = H)
02H
03H
04H
* Volume adjustment
* C-ch volume level adjustment
* W-ch volume level adjustment
00H (smallest in
adjustment range)
00H (smallest in
adjustment range)
00H (smallest in
adjustment range)
05H * Right and left volume balance adjustment
32H (center of
adjustment range)
06H * *
07H * *
Port 6
WFC
Port 5 Port 4 Port 3
CTS WLS MT2
* 20H
MT1 10H
* : Unusable, H : hexadecimal
Details of sub addresses 06H and 07H
SYMBOL
IN
ABOVE
TABLE
CONTROLLED DATA
Port 3
Port 3 (pin 14) output = L
Port 3 (pin 14) output = H
Port 4
Port 4 (pin 15) output = L
Port 4 (pin 15) output = H
Port 5
Port 5 (pin 16) output = L
Port 5 (pin 16) output = H
Port 6 (pin 17) output = 2.5 V
Port 6 Port 6 (pin 17) output = 0.5 V
Port 6 (pin 17) output = 5.0 V
Woofer fo control : fo = 60 Hz
WFC
Woofer fo control : fo = 80 Hz
Woofer fo control : fo = 100 Hz
Woofer fo control : fo = 120 Hz
CONTROL SIGNAL (SLAVE ADDRESS : 80H OR 82H)
SUB
ADDRESS
7
CONTROL SIGNAL ARRAY CONTENTS
654321
**
1
**
0
**
1
**
0
06H * *
1
**
0
* *01
* *10
* *11
* *00
* *01
07H
* *10
* *11
0
*
*
*
*
*
*
*
*
*
2001-01-15 8/21







TA1217AN equivalent, schematic
TA1217AN/AF
NOTE
No.
CHARACTERISTIC
10 Treble Maximum L-ch
R-ch
C-ch
11 Treble Minimum L-ch
R-ch
C-ch
12 Bass Maximum
L-ch
R-ch
C-ch
13 Bass Minimum
L-ch
R-ch
C-ch
14 Volume Center
L-ch
R-ch
C-ch
W-ch
15 Level Center
C-ch
W-ch
16 Residual Noise
L-ch
R-ch
C-ch
W-ch
17 Cross Talk
LR
RL
LC
RC
CL
CR
LW
RW
CW
WL
WR
WC
18 Ripple Rejection
Ratio
L-ch
(Minimum Volume)
R-ch
SET VALUE OF CONTROL DATA
FROM I2C BUS LINE
00H 01H 02H 03H 04H 05H 06H 07H
64H ↑ ↑ ↑ 32H ↑ ↑
INPUT
SIGNAL
10kHz,
500mV
TEST METHOD
Output level is 0dB
when 1 kHz signal is
input with tone flat.
32H 00H 64H 64H 64H 32H 20H 10H
10kHz,
500mV
Output level is 0dB
when 1 kHz signal is
input with tone flat.
64H 32H ↑ ↑ ↑ ↑ ↑ ↑
100Hz,
500mV
Ditto
00H ↑ ↑ ↑ ↑ ↑ ↑ ↑
100Hz,
500mV
Ditto
32H 32H ↑ ↑ ↑ ↑ ↑ 80Hz, 500mV 0 dB at maximum
volume.
80Hz, 500mV
↑ ↑ 64H 32H 32H ↑ ↑ ↑
0 dB at maximum
1kHz, 500mV level.
↑ ↑ 00H 00H 00H ↑ ↑ ↑ 80Hz, 500mV Measure output
amplitude at
minimum volume.
↑ ↑ 64H 64H 64H ↑ ↑ ↑ 1kHz, 500mV R output at L input.
L output at R input
C output at L input
80Hz, 500mV C output at R input
L output at C input
R output at C input
W output at L input
W output at R input.
W output at L input
L output at W input
R output at W input
C output at W input
↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ 60Hz, 500mV Apply VCC via 51
and input signal from
pin 28.
C-ch
2001-01-15 16/21










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