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
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