English
Language : 

W79E632A Datasheet, PDF (79/79 Pages) Winbond – 8-BIT MICROCONTROLLER
W79E632A/W79L632A
21. REVISION HISTORY
VERSION
A1
A2
DATE
July 8, 2003
Apr 28, 2005
A3
Aug 16, 2005
A4
November 6, 2006
A5
January 03, 2007
A6
February 1, 2007
A7
January 6, 2009
A8
February 11, 2009
A9
August 18, 2009
A10
Nov. 11, 2009
PAGE
DESCRIPTION
- Initial Issued
2 Add Lead Free package.
2, 4, 10 Add Port 0 pull-up resisters information
59 Remove encrypt function of Security bits B2 description
- Add wide voltage device (W79L632)
3 Add device list.
61-62 Modify DC characteristic.
2 Remove all Leaded package parts.
3, 64 Revise Operating speed to 20MHz on W79L632A25PL.
2, 3 Add QFP44 and DIP40 package parts.
66, 67 Add test condition in AC specification.
11
Revise the Timer Mode Setting to “Mode 1: 16-bits, no
pre-scale”.
2 1. Add a note for VDD during power on/off.
3 1. Modify the operating frequency vs voltage
67 2. Add 17.3.2 Operating Frequency vs Voltage
73 Add the QFP 44PIN package dimension
3 Remove the DIP40 package
Important Notice
Nuvoton Products are neither intended nor warranted for usage in systems or equipment, any
malfunction or failure of which may cause loss of human life, bodily injury or severe property
damage. Such applications are deemed, “Insecure Usage”.
Insecure usage includes, but is not limited to: equipment for surgical implementation, atomic
energy control instruments, airplane or spaceship instruments, the control or operation of
dynamic, brake or safety systems designed for vehicular use, traffic signal instruments, all types
of safety devices, and other applications intended to support or sustain life.
All Insecure Usage shall be made at customer’s risk, and in the event that third parties lay claims
to Nuvoton as a result of customer’s Insecure Usage, customer shall indemnify the damages and
liabilities thus incurred by Nuvoton.
- 79 -
Publication Release Date: Nov. 11, 2009
Revision A10