SNC88340 datasheet(2/14 Pages) SONIX

2 / 14 page

SNC88340

24-Channel MIDI/Speech Controller

Ver: 1.6

Sep. 8, 2006

AMENDENT HISTORY

Version

Date

Description

Ver 1.0

October 07, 2004

First issue

Ver 1.1

November 12, 2004 Modify Application Circuit.

Ver 1.2

March 21, 2005

1. Oscillator R-Type is “no connect”. Page5

2. Modify Application Circuit.(Low CLK Mode, 32768,

R-Type, Xin and Xout no connect) Page10

3. Modify Electric Characteristic (Max->Typical) Page12

4. Modify I/O Circuit in Page7

Ver1.3

June 30,2005

1. Modify Application circuit in Low CLK(RC mode)

R=91K, C=200pF

2. In Application Circuit add R=100 (direct key) in Page10

3. Modify Chapter 5.1 oscillator about Rosc mode has to let

Xin connect R=51k and C=200pF to GND.

Ver1.4

September 5,2005

Remove Chapter 5.1 High Clock RC Mode.

Remove Chapter 6 application circuit RC Mode.

Ver1.5

November 18,2005

Modify Application Circuit add a diode between

“VDD“ and “VDDVR” @4.5V.

Modify Application Circuit add R=100 in each input pin

(direct key).

Ver1.6

September,8,2006

Add High Clock RC Mode in Oscillator functional

description (Chap 5.1)

Add High Clock RC Mode in Application Circuit

Removed Application circuit R=100 in each input pin

(direct key)

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