mc68hc05l25 Freescale Semiconductor, Inc, mc68hc05l25 Datasheet - Page 143

• Manufacturer Part Number: mc68hc05l25
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

15.11 Control Timing (V
15.12 Control Timing (V
Freescale Semiconductor
Frequency of Operation
Internal Operating Frequency
Cycle Time (1 ÷ f
Crystal Oscillator Startup Time
RESET Pulse Width Low
IRQ Interrupt Pulse Width Low (Edge-Triggered)
IRQ Interrupt Pulse Period
OSC1 Pulse Width
Event Counter Gate Count
NOTES:
Frequency of Operation
Internal Operating Frequency
Cycle Time (1 ÷ f
Crystal Oscillator Startup Time
RESET Pulse Width Low
IRQ Interrupt Pulse Width Low (Edge-Triggered)
IRQ Interrupt Pulse Period
OSC1 Pulse Width
Event Counter Gate Count
NOTES:
OSC Crystal Oscillator Option
XOSC Crystal Oscillator Option
External Clock Source
Crystal Oscillator (f
External Clock (f
(Crystal Oscillator Option)
OSC Crystal Oscillator Option
XOSC Crystal Oscillator Option
External Clock Source
Crystal Oscillator (f
External Clock (f
(Crystal Oscillator Option)
1.
2.
1.
2.
V
The minimum period, t
service routine plus 21 t
V
The minimum period, t
service routine plus 21 t
DD
DD
= 5.0 Vdc ± 0.5 Vdc, V
= 3.3 Vdc ± 0.3 Vdc, V
OP
OP
osc
osc
)
)
Characteristic
Characteristic
osc
osc
÷ 2)
÷ 2)
÷ 2)
÷ 2)
ILIL
ILIL
CYC
CYC
or t
or t
.
.
SS
SS
IHIH
IHIH
= 0 Vdc, T
= 0 Vdc, T
DD
DD
, should not be less than the number of cycles it takes to execute the interrupt
, should not be less than the number of cycles it takes to execute the interrupt
MC68HC05L25 Data Sheet, Rev. 3.1
= 3.3 V)
= 5.0 V)
A
A
= 0 °C to +70 °C, unless otherwise noted
= 0 °C to +70 °C, unless otherwise noted
Symbol
Symbol
t
t
f
f
OXON
OXON
f
XOSC
f
f
XOSC
f
t
t
t
t
t
t
OSC
OSC
f
t
OSC
OSC
f
CYC
t
t
t
ILIH
ILIH
CYC
ILIL
ILIL
OP
GC
OP
GC
RL
RL
t
t
16,384
16,384
Note 2
Note 2
1 000
Min
250
200
Min
480
125
1.5
1.5
90
—
—
dc
—
dc
—
—
—
dc
—
dc
—
32.768
16,384
32.768
16,384
Typ
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Control Timing (VDD = 3.3 V)
16,384
16,384
Max
Max
100
100
2.0
2.0
1.0
1.0
4.2
4.2
2.1
2.1
—
—
—
—
—
—
—
—
—
—
—
—
MHz
MHz
MHz
MHz
MHz
MHz
Unit
f
Unit
f
kHz
kHz
t
t
t
t
OSC
OSC
ms
ms
ns
CYC
ns
CYC
ns
ns
CYC
ns
CYC
ns
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