IA88C00
Microcontroller
Data Sheet
As of Production Version -01
/RESET
I/O
(BIT PROGRAMMABLE)
PORT 4
MACHINE
TIMING
CPU
UART
INSTRUCTION
DECODE
SYSTEM
REGISTERS
(PC)
(INSTRUCTION
POINTER)
REGISTER FILE
ALU
INTERRUPT
CONTROL
CONTROL
REGISTERS
WATCHDOG
TIMER
COUNTERS/
TIMERS (2)
DMA
PORT 3
PORT 2
PORT 0
DEMUX
XTAL1
XTAL2
R//W
/DS
/AS
PORT 1
8
I/O (BIT PROGRAMMABLE)
OR CONTROL (IRQ, TIMER, UART)
ADDRESS OR
I/O (BIT PROGRAMMABLE)
ADDRESS OR
I/O (BYTE PROGRAMMABLE)
Figure 1. Functional Block Diagram
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©
2005
Innovasic.com
Innovasic Semiconductor
ENG 21 0 050519-00
www.Innovasic
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