Datasheet
DS80C320/DS80C323 High-Speed/Low-Power Microcontrollers 
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DATA SHEET REVISION SUMMARY (continued) 
The following represent the key differences between the 05/22/96 and the 10/21/97 version of the DS80C320 data sheet. 
Please review this summary carefully. 
DS80C320 
1.  Added note to clarify I
IL
 specification. 
2.
  Added note to clarify AC timing conditions. 
3.
  Corrected erroneous t
QVXL
 label on figure “Serial Port Mode 0 Timing” to read t
QVXH
. 
4.
  Added note to prevent accidental corruption of Watchdog Timer count while changing counter length. 
DS80C323 
1.  Added note to clarify I
IL
 specification. 
2.
  Remove port 2 from V
OH1
 specification, add port 3. 
3.
  I
OH
 for V
OH3
 specification changed from -3mA to -2mA. 
4.
  Added note to clarify AC timing conditions. 










