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PDF RSC-164 Data sheet ( Hoja de datos )
| Número de pieza | RSC-164 | |
| Descripción | General Purpose Microcontroller Featuring Speech Recognition | |
| Fabricantes | Sensory | |
| Logotipo |  |
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RSC-164
Recognition • Synthesis • Control
General Purpose Microcontroller Featuring Speech Recognition, Speech &
Music Synthesis, Speaker Verification and Audio Record/Playback
GENERAL DESCRIPTION
The RSC-164, from the Interactive Speech™ family of
products, is a low-cost microcontroller designed for use
in consumer electronics. The RSC-164 combines an 8-bit
microcontroller with high-quality speaker-independent
and speaker-dependent speech recognition, speech
synthesis, speaker verification, four-voice music
synthesis, and voice record and playback. Products can
use one or all of the RSC-164 features in a single
application.
The RSC-164 employs a sophisticated neural network
that learns to classify sound data. On-chip speech
recognition algorithms reach an accuracy of greater than
96% for speaker-independent recognition and greater
than 99% for speaker-dependent recognition. Sensory’s
neural network approach (patent pending) eliminates the
need for expensive signal processing or extensive RAM
storage.
The highly-integrated nature of the chip reduces external
parts count. A complete system may be built with few
additional parts other than a battery, speaker,
microphone, and audio input support circuitry. Low
power requirements make the RSC-164 an ideal solution
for battery-powered and hand-held devices.
RSC-164 Block Diagram
FEATURES
Full Range of Speech Capabilities
• Speaker-independent speech recognition
• Speaker-dependent speech recognition
• High quality speech synthesis and sound effects
• Speaker verification
• Four-voice music synthesis
• Voice record & playback
Integrated Single-Chip Solution
• 4 MIPS 8-bit microcontroller
• On-chip A/D and D/A converters, digital filtering
• 32kHz clock for time keeping
• Internal 64kbytes ROM; 384 bytes RAM
• 16 general purpose I/O lines
• External memory bus: 16-bit Address, 8-bit Data
• On-chip output amplifier for direct speaker drive
Low Power Requirements
• 3.5 - 5.0V supply
• ~10mA operating
From the Interactive Speech™ Line of Products
1 page  
DATA SHEET
RSC-164
Sample Application Circuit
Preamp Vcc
R2
22K
R1
100
R4
10K
C3
Preamp GND
47uF
PREAMP GND and AGND to be connected at
the power supply near the RSC-164
AGND(analog) input
AGND
X1 J1 J2
22
11
Electret MICROPHONE mic
V_BIAS
+ C2
10uF
R7
2.2K
C8 R15
10K
.22
12
+
13
-
U1D
LM324
14
Input Preamp
R20
120K
R13
1.5K
C7
.033uF
5%
5
+
6
-
U1B
LM324
7
R21 220K
C10 .001uF
5%
IGAIN0
IGAIN1
C4 R12
4.7K
.22
R9
2.7K
R10
1K
C5
R16
680K
.1
R8
56K
3
+
2
-
U1A
LM324
1
R14
15K
+ C9
1uF
Preamp Vcc
R3
30K
1%
C1
R5
5.6K
10uF
Preamp Vcc
R6
10K
1%
Preamp Vcc
10
+
9
-
U1C
LM324
8
R17
100K
C6
10uF
R18
1K
R11
30K
1%
R19
10K
1%
R22
4.7K
Use EPROM if not ROM MASK
Transistor should have low (.1V) Vce(sat), @
a forced beta of 100 @ 100mA Ic. V(br)ebo
should be above 5V.
NEC's 9012H is an acceptable example.
Power Supply
PNP
VDD
A0 10
A1 9
A2 8
A3 7
A4 6
A5 5
A6 4
A7 3
A8 25
A9 24
A10 21
A11 23
A12 2
A13 26
A14 27
A15 1
RDC 20
22
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
CE
OE
28
O0
O1
O2
O3
O4
O5
O6
O7
11
12
13
15
16
17
18
19
D0
D1
D2
D3
D4
D5
D6
D7
U2
14
27C512
1.5V
1.5V
1.5V
3.9K
47uF
+
Power Switch
PREAMP Vcc
10
AVDD
+
47uF
2.2
VDD
+
47uF
2.2
VDDi
+
47uF
PREAMP GND
RSC AGND
DGND
VDD
TP-1
C11
0.1uF
VDD
R23
100K
R24 SPEAKER
100(TBD) LS1
D[0..7]
C13 VDDi
0.1uF
C12
470pF
10
11
12
13
A15
A14
A13
14
15
16
A12
A11
A10
17
18
19
A9
A8
GND(I/O)1
U3
20
21
VDD(I/O)1
A7
SENSORY RSC-164
22 A6
23
24
A5
A4
25
26
A3
A2
A1
DAC
/XML
/XMH
PDN
/WRD
/RDD
/WRC
/RDC
GND(I/O)2
VDD(I/O)2
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
VDD
IGAIN1
VDD
R25
47K
To use ext EPROM(U4): use R26
To use int ROM in RSC-164: use R25
R26
47K
VDDi
RDC
C15
0.1
VDD
C17
0.1
U4
8
7
VCC
A0
1
2
6
5
NC
A1
SCL A2
SDA VSS
3
4
24LC65
DECOUPLING CAPS
U2-28
U1-4
U2-14
C14 0.1uF
U1-11
C16 0.1uF
R27
100K
C22
0.1uF
Reset
Circuit
VDD
C19 C20
27pF 27pF
Y1
14.3MHz
Ceramic Resonator or Crystal
Oscillator
C18
0.1
RSC-164 INSTRUCTION SET
The instruction set for the RSC-164 has 52 instructions
comprising 8 move, 7 rotate, 11 branch, 11 register
arithmetic, 9 immediate arithmetic, and 6 miscellaneous
instructions. All instructions are 3 bytes or fewer, and no
instruction requires more than 8 clock cycles to execute.
GENERAL PURPOSE I/O
The RSC-164 has 16 general purpose I/O pins (P0.0-
P0.7, P1.0-P1.7). Each pin can be programmed as an
input with weak pull-up (~200kΩ equivalent device);
input with strong pull-up (~10kΩ equivalent device);
input without pull-up, or as an output. This is
accomplished by having 32 bits of configuration registers
for the I/O pins (Port Control Register A and Port
Control Register B for ports 0 and 1).
EXTERNAL MEMORY
The RSC-164 includes an external memory interface that
allows connection with memory devices for speaker-
dependent speech recognition, audio record/playback,
extended durations of speech and music synthesis, and
enhanced product functionality.
Separate data and address buses allow use of standard
EPROMs, ROMs, SRAMs, and flash memory with little
or no additional decoding. Provision of separate read and
write signals for each external memory space further
simplifies interfacing. The RSC-164 includes 8 data
lines (D[7:0]) and 16 address lines (A[15:0]), along with
associated control signals for interfacing to external
memory.
Using flash memory and EEPROM will require custom
code development. The RSC-164 can connect serially
through two I/O lines to a serial EEPROM for
applications with low data storage requirements.
OSCILLATORS
Two independent oscillators in the RSC-164 provide a
high-frequency clock and a 32kHz time-keeping clock.
The oscillator characteristics are as follows:
Oscillator #1: Pins XI1, XO1
14.32 MHz (3.5V-5.0V)
From the Interactive Speech™ Line of Products
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet RSC-164.PDF ] | |
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