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Handshake Solutions
HT80C51 User Manual
Document History
Page 132 of 132
© Philips Electronics N.V. 2005
A3: Document History
Date
Author
Version-No
Change Report
17.3.2005
UK
1.1
First Draft
22.3.2005
UK
1.1.1
HT80C51 block diagram added.
Initialization chapters for interrupt controller, timers 0/1 and
UART added.
Pins ExtInt0_n and ExtInt1_n used as external interupt inputs
for the timers 0/1.
Clock input for timers and serial interfaces is the core clock
(pin CClk), now.
SFR XRAMP added.
Description of I
2C interface added.
12.4.2005
UK
1.3
Names of pins adapted.
Description of SPI and DES added.
Block diagrams of HT80C51 changed.
Chapter about clocks added.
SFR map updated.
Reset values updated.
Option names added.
Description of SIO condensed.
25.4.2005
UK
1.4
Minor changes in description of SIO.
Description of DKEY for the DES changed.
25.4.2005
UK
1.5
Some typos removed.
30.05.2005
CV, UK
1.6
Update of illustrations (Ch. 1-5.4 and 5.8-end) and formats.
Description of DES updated and extended.
27.6.2005
CV
1.7
Update of illustrations (Ch. 5.5, 5.6).
Update of figure 6 and table 7.
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