SPC41A Sunplus Technology Co., Ltd., SPC41A Datasheet - Page 16

• Manufacturer Part Number: SPC41A
• Description: 40KB SOUND CONTROLLER
• Manufacturer: Sunplus Technology Co., Ltd.

11. REVISION HISTORY
© Sunplus Technology Co., Ltd.
Proprietary & Confidential
MAR. 10, 1997
MAR. 24, 2997
DEC. 30, 1996
NOV. 28, 1997
DEC. 05, 1997
NOV. 04, 1999
NOV. 08, 2000
MAY. 13, 1998
JUN. 02, 1998
JUN. 09, 1998
FEB. 22, 2000
SEP. 04, 2001
Date
Revision #
0.1
0.2
0.3
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
Original
1. Add “BLOCK DIAGRAM”
2. Add “PAD LOCATIONS”
Modify Fosc2 (max.) value: 3.0MHz @ 3.0V to 3.58MHz @ 3.0V
Delete “PRELIMINARY”
1. Renew to a new document format
2. Add “The Relationship between the R
Add “Note2: To ensure that the IC function properly, bond all VDD and VSS pins.”
Revise the grammars and spelling in “GENERAL DESCRIPTION”, “FEATURES”,
“FUNCTIONAL DESCRIPTIONS”, “TIMER/COUNTER”, “SPEECH AND MELODY”, and
“APPLICATION CIRCUITS”
1. Delete “The average instruction cycle is around 2.5 clock cycles. It means the 4MHz clock
2. Delete “(minimun.)” in the “FEATURES”
3. Add OPT pin description in the “SIGNAL DESCRIPTIONS”
Renew to a new document format
Modify VDD/OPT (Rosc) to VDD in the “APPLICATION CIRCUITS”
1. VDD = 2.4V - 3.6V for 2-battery application.
2. Speech duration @ 6KHz sampling rates with 4-bit ADPCM.
3. Approx. 13 sec. speech.
1. Correct chip size
2. Add Note1 and Note3 in the “9.1 PAD Assignment”
3. Renew to a new document format
can offer approxinately 750ns per instruction cycle.
16
OSC
Description
and the F
CPU
”
SPC41A
SEP. 04, 2001
Version: 1.8
12 - 13
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