EASY SOUND - EM55000SERIES
TINYCONTROLLER-BASEDSYNTHESIZER
GENERAL DESCRIPTION
EM55000 series is a series of 3 to 340 seconds single chip high quality voice synthesizer IC which contains one
4-bit Input port (provided for EM55100 and above), three 4-bit I/O ports and a tiny controller. By programming
through the tiny controller, user's application includes section combination, trigger mode, control outputs,
keyboard matrix and other logic function can be easily implemented.
FEATURES
EM55XXX
001
002
100
5
200
10
250
15
300
21
350
31
Duration(sec)
ROM(bits)
PROGRAM
ROM (bits)
RAM (nibbles)
IO PORTs
D/A
3
10K x 10
8K x 10
16K x 10 32K x 10 48K x 10 64K x 10 96K x 10
32K x 10
32
64
128
4 I+ 8 I/O
Direct Drive/Traditional DAC
4 I/O
Traditional
DAC
8 I/O
Direct Drive
OSC
Reset Pin
Ring type
No
Ring or Crystal type by option
Yes
EM55XXX
Duration(sec)
ROM(bits)
PROGRAM
ROM (bits)
RAM (nibbles)
IO PORTs
D/A
400
42
450
63
500
85
550
127
600
170
650
255
700
340
128K x 10 192K x 10 256K x 10 384K x 10 512K x 10 768K x 10 1024K x 10
32K x 10
128
4 I+ 12 I/O
4 I+ 8 I/O
Direct Drive/Traditional DAC
Ring or Crystal type by option
Yes
OSC
Reset Pin
• Single power supply.
• Crystal/Ring oscillator option.
• 3-340 seconds voice capacity.
• Power down mode for saving power consumption.
• Reset pin available.
• Single ROM for voice program. Maximum 32 K program addressing size available.
• Readable ROM data.
• One 6 bit timer overflow control is provided.
• Two stack for subroutine call.
• 5 bits ASPCM synthesis.
• 38K Hz modulation for IR transmission.
• 15 steps volume control.
• Direct Drive/traditional DAC.
• 8 bits resolution D/A.
• Green VoiceTM.
* This specification are subject to be changed without notice.
1.23.2002
1
ELAN [ ELAN MICROELECTRONICS CORP ]
