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Jaztek
Jaztek


JA21000

Useful Voice ROMless Voice Synthesizer And Controller


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JA21000 pdf
JA21000 Series
Useful Voice with Real-Time Clock (RTC)
Features
y Single power supply 2.4V – 5.2V
y 4-bit ADPCM & 8-bit PCM synthesis.
y 7K-22KHz max. of playing speed for ADPCM
synthesizer
y 12K-32KHz max. of playing speed for PCM
synthesizer
y Provides 3~340 seconds voice@ S.R.= 6kHz &
www.DataSheet4U.c4om-bit ADPCM
y Max. of two current type DAC audio outputs
y One PWM output to direct driving a speaker
y Programmable 2-channel tone melody
generator
y 16 levels of digital volume control
y Powerful and easy instructions are provided
y Built in a high quality speech synthesizer
y On-chip RC oscillator
y Power saving STOP & HALT modes
y I/O State Change wake-up option for all of I/O
port
y Support 32K crystal oscillator share with two
pins of PA
General Description
JA21000 is a series of 3 to 340 seconds single chip
voice synthesizer IC with RTC which contains a
PWM direct drive circuit or AUD output for transistor
application. In addition, this chip also provides high
sink current port pins, multi external interrupt pins
function, and multi oscillator options. JA21000
series offers one of the best cost/performance
ratios in the toy or industry for controller.
It also supplies high-sink current port pins,
multi-external wake-up pins function and
multi-oscillator options. The JA21000 series can
support 32K crystal oscillator for timer with low
operating current. In addition, this JA21000 series
family IC leads users into an easy-to use
development environment that shorten developer’s
period and fasten time-to-market. Moreover,
fantastic sound effects can be generated by users
easily without writing complex programs. This
JA21000 series family offers the best
cost/performance ratios for toy, consumer, and
industry use.
Selection Table
Part No.
Voice Cap. (second )
Max. of key numbers
Max. of PWM outputs
Max. of DAC outputs
JA21003
3
16
1
JA21007
7
16
1
JA21014 JA21018
14 18
16 16
11
1
JA21032
32
32
1
1
JA21043
43
32
1
1
Part No.
Voice Cap. (second )
Max. of key number
Max. of PWM outputs
Max. of DAC outputs
JA21064
64
32
1
2
JA21085
85
32
1
2
JA21128 JA21170
128 170
64 64
11
22
JA21256
256
64
1
2
JA21340
340
64
1
2
NoteΚThe voice capacity is based on sampling rate of 6KHz and 4-bit ADPCM
Preliminary
TELΚ886-3-5770755
FAXΚ886-3-5770756
24-1
E-mailΚsales@jaztek.com.tw
Ver. 0.7
Web-siteΚwww.jaztek.com.tw



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JA21000 pdf
Block Diagram

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Pad Assignment
Pin Name I/O
DVSS
AVSS
PA0 – PA3 I/O
PA4 – PA7 I/O
PB0 – PB7
AVDD, DVDD
OSCI
I
I
PWM (AUD1)
PWMB (AUD2)
O
Internal
Description
— Digital negative power supply
— Analog negative power supply
NMOS
Open Drain
Keyboards scan output in matrix mode.
Normal I/O pins in direct mode. For output mode, they are open drain
output; For input mode, they are without pull-high resistor.
CMOS with
pull-high
Keyboards scan output in matrix mode.
Normal I/O pins in direct mode. For output mode, they are
output; For input mode, they are with pull-high resistor.
CMOS
CMOS with
pull-high
Keyboards scan input in direct/matrix mode.
PB0 – PB3 pins are for all series.
PB4 – PB7 pins are for JA21128 — JA21340 only.
— Positive power supply.
In RC mode, it connects an external oscillator resistor between OSCI
— and VDD.
As well, the pin can be used as an external clock input.
Current type output or PWM type output by mask option.
For current type output, it must drive an external transistor and only for
CMOS or JA21018 — JA21340. For PWM type output, it can drive a speaker
Open Drain directly. (8 ohm – 32 ohm)
The AUD1 output is provided to JA21018 — JA21340, and the AUD2
output is provided to JA21064 — JA21340 only.
Preliminary
TELΚ886-3-5770755
FAXΚ886-3-5770756
24-2
E-mailΚsales@jaztek.com.tw
Ver. 0.7
Web-siteΚwww.jaztek.com.tw



Part Number JA21000
Description Useful Voice ROMless Voice Synthesizer And Controller
Maker Jaztek - Jaztek
Total Page 24 Pages
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