MC68HC711xxxx Motorola, MC68HC711xxxx Datasheet - Page 172

• Manufacturer Part Number: MC68HC711xxxx
• Description: Microcontrollers
• Manufacturer: Motorola

Electrical Characteristics
10.9 Control Timing
Data Sheet
172
Frequency of operation
E-clock period
Crystal frequency
External oscillator frequency
Processor control setup time
Reset input pulse width
Mode programming setup time
Mode programming hold time
Interrupt pulse width, IRQ edge-sensitive mode
Wait recovery startup time
Timer pulse width input capture pulse accumulator input
1. V
2. RESET is recognized during the first clock cycle it is held low. Internal circuitry then drives the pin low for four clock cycles,
t
To guarantee external reset vector
Minimum input time (can be pre-empted by internal reset)
PW
PW
PCSU
otherwise noted
releases the pin, and samples the pin level two cycles later to determine the source of the interrupt. Refer to
Resets and Interrupts
DD
IRQ
TIM
= 1/4 t
= 5.0 Vdc ±10%, V
= t
= t
CYC
CYC
CYC
+ 20 ns
+ 20 ns
+ 50 ns
Characteristic
SS
for further detail.
= 0 Vdc, T
(1) (2)
A
= T
L
to T
Electrical Characteristics
H
, all timing is shown with respect to 20% V
PW
Symbol
PW
PW
t
f
t
t
t
t
PCSU
XTAL
WRS
4 f
MPS
MPH
CYC
f
RSTL
o
IRQ
TIM
o
1000
1020
1020
Min
300
dc
dc
10
—
—
1.0 MHz
8
1
2
Max
1.0
4.0
4.0
—
—
—
—
—
—
—
—
4
Min
500
175
520
520
10
dc
—
dc
—
2.0 MHz
8
1
2
DD
M68HC11E Family — Rev. 5
Max
2.0
8.0
8.0
and 70% V
—
—
—
—
—
—
—
—
4
Min
333
133
353
353
dc
dc
10
—
—
3.0 MHz
8
1
2
DD
Max
12.0
12.0
3.0
, unless
—
—
—
—
—
—
—
—
Section 5.
4
MOTOROLA
MHz
MHz
MHz
Unit
t
t
t
CYC
CYC
CYC
ns
ns
ns
ns
ns