MC6800 Motorola, MC6800 Datasheet - Page 11

• Manufacturer Part Number: MC6800
• Description: 8-BIT MICROPROCESSING UNIT (MPU)
• Manufacturer: Motorola

Data
Interrupt
Address
Bus
m
IRQ
VMA
R/R
Bus
BA
or
I
Wait
Instruction
I nst
Cycle
#1
Note:
x
I
x
Midrange
high
*
iMDedanCe
x
waveform
x
Pc
*
state.
x
0-7
indicates
I
x
PC 8-15
#4
x
x
*
I 0-7
x
I
x
FIGURE 12..+$tikE-STATE
&
FIGURE 11 – WAIT INSTRUCTION
I B-15
x
I
x
ACCA
#7
x
I
x
#8
ACCB
x
I
CONTROL TIMING
*
TIMING
I
\
#1 o
A
-TBA
I
1[
[[
n
n+l
I
n+2
Address
New
x
PC 8-15
x
New
Address
PC O-7
x
First
of Interrupt
Routine
New
Address
Inst
PC
x