Description
MCWOO I i 8-BIT MICROPROCESSING UNIT (MPU) I The MC6800 is a monolithic 8-bit microprocessor forming the central control function for Motorola’s M68~.
Proper
operation
of the MPU requires
that certain
control
Read (high)
or Wrile
(low) state,
The normal
standby
state of
and timing signals.
Features
* 00
500
600
MOTOROLA
@
Semiconductor
5
Products Inc. I
FIGURE
7
* =PANDED
BLOCK
DIAGRAM
A15
A14
A13
A12
All
A1O
A9
A8
A7
A6
A5
A4
A3
A2
Al
AO
Clock, @l Clock, @2 RESET Non-Maskable Interrupt HALT Interrupt Three-State Request Control 37 40 6 a 2 4 39 3 Instruction
Applications
* realizable. q 8-Bit Parallel Processing
q Bidirectional
Data Bus
* Variable Length Indexed,
. . 16-Bit Address Bus
* WK Bytes of Addressing Seven Addressing Modes
* Direct, Relative, Immediate, Extended, Implied and Accumulator
q 72 Instructions
,>: ,,
* !. “)!. IC,[ .
