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IA88C00
Microcontroller
Data Sheet
Innovasic Semiconductor®
www.DataSheet4U.com
Copyright © 2005

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IA88C00
Microcontroller
Data Sheet
As of Production Version -01
Data Sheet Contents
Please Note.....................................................................................................................................................4
Features ..........................................................................................................................................................4
General Description .......................................................................................................................................4
Architecture..................................................................................................................................................13
Pin Descriptions ...........................................................................................................................................13
Registers .......................................................................................................................................................14
Working Register Window ......................................................................................................................15
Register List .............................................................................................................................................17
Mode and Control Registers ........................................................................................................................20
Instruction Summary....................................................................................................................................45
Opcode Map .................................................................................................................................................52
Instructions ...................................................................................................................................................53
Interrupts ......................................................................................................................................................56
Interrupt Programming Model .................................................................................................................58
Functional Overview................................................................................................................................58
Stack Operation............................................................................................................................................58
Counter/Timers ............................................................................................................................................59
WDT.............................................................................................................................................................59
Stop Mode ....................................................................................................................................................59
Halt Mode ....................................................................................................................................................60
I/O Ports .......................................................................................................................................................61
Port 0 ........................................................................................................................................................61
Port 1 ........................................................................................................................................................61
Port 2 and 3 ..............................................................................................................................................62
Port 4 ........................................................................................................................................................62
UART ...........................................................................................................................................................62
Pins ...........................................................................................................................................................63
Transmitter ...............................................................................................................................................63
Receiver....................................................................................................................................................63
Address Space ..........................................................................................................................................64
CPU Program Memory ............................................................................................................................64
CPU Data Memory...................................................................................................................................64
Absolute Maximum Ratings ........................................................................................................................66
Standard Test Conditions .............................................................................................................................66
Figure 63. Standard Test Load .............................................................................................................................66
DC Characteristics .......................................................................................................................................67
Input Handshake.......................................................................................................................................73
Output Handshake....................................................................................................................................74
EPROM Read Cycle ................................................................................................................................75
Copyright © 2005
Innovasic.com
Innovasic Semiconductor
ENG 21 0 050519-00
www.Innovasic
Page 2 of 80
1.888.824.4184

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IA88C00
Microcontroller
Data Sheet
As of Production Version -01
Wait Timing .................................................................................................................................................75
De-Multiplexed Bus Timing .......................................................................................................................76
Package Information ....................................................................................................................................77
Ordering Information ...................................................................................................................................80
Copyright © 2005
Innovasic.com
Innovasic Semiconductor
ENG 21 0 050519-00
Page 3 of 80
www.Innovasic
1.888.824.4184