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PDF eSP020A Data sheet ( Hoja de datos )
| Número de pieza | eSP020A | |
| Descripción | Embedded OTP Memory Four Channel Sound Process | |
| Fabricantes | ELAN Microelectronics | |
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Hay una vista previa y un enlace de descarga de eSP020A (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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eSPA Series
Embedded OTP Memory
Four Channel
Sound Process
Product
Specification
DOC. VERSION 1.3
ELAN MICROELECTRONICS CORP.
September 2008
1 page  
eSPA Series
Embedded OTP Memory, Four Channel Sound Processor
1 General Description
eSPA Series ICs are 4-bit micro-controller based sound processor embedded with
audio functions, i.e., multi-channel speech and multi-channel melody. The series is
capable of performing all the functions available from ELAN’s eSA, eSB, and eSC
Series ICs. The eSPA Series are also embedded with an OTP (One Time
Programmable) ROM.
2 Features
System Clock
• Crystal:
∗ 3.58MHz @2.4 volts ~ 5.5 volts (supports eSA/eSB/eSC functions)
∗ 4MHz @2.4 volts ~ 5.5 volts (supports eSA/eSB/eSC functions)
∗ 6MHz @2.4 volts ~ 5.5 volts (supports eSB/eSC functions)
• Embedded RC oscillator:
∗ 3.58MHz @2.4 volts ~ 5.5 volts (supports eSA/eSB/eSC functions)
∗ 4MHz @2.4 volts ~ 5.5 volts (supports eSA/eSB/eSC functions)
• External RC oscillator:
∗ 6MHz @2.4 volts ~ 5.5 volts (supports eSB/eSC functions)
Input/Output Ports
• One Input port (P1) with software controlled pull low resistor
• Three input/output ports (P2 ~ P4)
• 4 steps (1/2, 1/4, 1/8/, and 1/16) light flashing with volume level options
MCU Mode
• Sleep mode for power saving (less than 1μA@3V standby current)
• Green mode for reduced but continues operation at very low power
consumption (less than 15μA@3V)
Sound Output
• Auto option: 8 bits PWM / 10 bits traditional current DA
• 128 steps volume control for each channel (for eSA function only); 16 steps
DA current control for mixer output
• Software PCM/4bits, ADPCM/5bits, & ADPCM algorithm for speech
synthesis, are transparent to users
• Channel definition (refer eSC/eSB/eSA spec)
∗ eSC: 1 channel speech
∗ eSB: 2 channels speech
∗ eSA: 4 channels speech/music
Product Specification (V1.3) 09.17.2008
(This specification is subject to change without further notice)
1
5 Page 
eSPA Series
Embedded OTP Memory, Four Channel Sound Processor
8.2
Mode)
Vcc
6MHz R Oscillator in Normal Mode (Without Green
Vcc
Rosc 100K
C1
0.1u
SPEAKER
8050
1.2K
OSCI
OSCO
IRin
IRout
Vo1A
U1
eSPA
Vo1B
ResetB
P1.0
P1.1
P1.2
P1.3
P2.0
P2.1
P2.2
P2.3
P3.0
P3.1
P3.2
P3.3
P4.0
P4.1
P4.2
P4.3
TR1 TR2 TR3 TR4 TR5 TR6 TR7 TR8
D10
LED
D11
LED
D12
LED
D13
LED
Product Specification (V1.3) 09.17.2008
(This specification is subject to change without further notice)
7
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet eSP020A.PDF ] | |
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