EASY
SOUND
EM57P300 SERIES
-
TINYCONTROLLER-BASED
SOUND PROCESSOR
y
iminar
Prel
GENERAL DESCRIPTION
EM57P300 is a tiny-controlled-based voice/dual tone melody/dual tone sound effect Ics which contain all the
function of EM57000 series and has an OTP (One Time Programmable) ROM inside.
FEATURES
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EM57P300 – ROM : 64k x 10 bits (21 sec@6K sample rate).
Working Voltage 2.4V ~ 5.1V.
One 4-bit input port, two 4-bit I/O ports, and 32x4 bits RAM.
8k (maximum) program ROM.
One 6-bit timer overflow control.
ASPCM synthesizer and dual tone melody/sound effect generator.
4k~32k Hz playing speed for voice play-back.
Multiple tempos for dual tone melody/sound effect play-back.
Variable beats for dual tone melody/sound effect play-back.
Multiple levels of volume control.
Fixed current D/A output to drive external connected transistor for voice output.
PIN DESCRIPTIONS
Pin NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
I/O
I
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
I
I
Symbol
VDD
VO
P3.3
P3.2
P3.1
NC
P3.0
P2.3
P2.2
P2.1/Dout
P2.0/Din
P1.3/Din.out.clk/Mode option
P1.2/OEB/Mode option
P1.1/PGMB/Mode option
P1.0/ACLK
VSS
OSC
TEST/Vpp
Function
Positive power supply.
Voice output.
Bit 3 of Port 3.
Bit 2 of Port 3.
Bit 1 of Port 3.
No connect
Bit 0 of Port 3.
Bit 3 of Port 2.
Bit 2 of Port 2.
Bit 1 of Port 2 / Program data output signal
Bit 0 of Port 2 / Program data input signal
Bit 3 of Port 1 / Program control signal
Bit 2 of Port 1 / Program control signal
Bit 1 of Port 1 / Program control signal
Bit 0 of Port 1 / Program control signal
Negative power supply.
Oscillation component connection pin.
Test/Programing.
* This specification are subject to be changed without notice.
10.15.2001
1
EMC [ ELAN MICROELECTRONICS CORP ]
