Freescale Semiconductor, Inc.
GENERAL RELEASE SPECIFICATION
12.5 Control Timing
Table 12-5. Control Timing (V = 5 V)
DD
(V = 5.0 Vdc ± 10%, V = 0 Vdc, T = -40°C to +85°C, unless otherwise noted
DD
SS
A
Characteristic
Symbol
Min
Max
Unit
Frequency of Operation
Crystal Option
fosc
fosc
—
dc
4.2
4.2
MHz
MHz
External Clock Option
Internal Operating Frequency
Crystal (fosc ÷ 2)
fop
fop
—
dc
2.1
2.1
MHz
MHz
External Clock (fosc ÷ 2)
Cycle Time
tcyc
tOXOV
tILCH
tRL
480
—
—
100
100
—
ns
ms
ms
tcyc
ns
Crystal Oscillator Startup Time
Stop Recovery Startup Time (Crystal Oscillator)
RESET Pulse Width
—
1.5
125
*
Interrupt Puolse Width Low (Edge-Triggered)
Interrupt Pulse Period
tILIH
—
tILIL
—
tcyc
ns
OSC1 Pulse Width
tOH, tOL
90
—
*The minimum period T
ILIL
should not be less than the number of cycles it takes to execute the interrupt service routine plus 19 t
cyc
.
Table 12-6. Control Timing (V = 3.3 V)
DD
(V = 3.3 Vdc ± 10%, V = 0 Vdc, T = -40°C to +85°C, unless otherwise noted
DD
SS
A
Characteristic
Symbol
Min
Max
Unit
Frequency of Operation
Crystal Option
fosc
fosc
—
dc
2.0
2.0
MHz
MHz
External Clock Option
Internal Operating Frequency
Crystal (fosc ÷ 2)
fop
fop
—
dc
1.0
1.0
MHz
MHz
External Clock (fosc ÷ 2)
Cycle Time
tcyc
tOXOV
tILCH
tRL
1000
—
—
100
100
—
ns
ms
ms
tcyc
ns
Crystal Oscillator Startup Time
Stop Recovery Startup Time (Crystal Oscillator)
RESET Pulse Width, Excluding Powerup
Interrupt Pulse Width Low (Edge-Triggered)
Interrupt Pulse Period
—
1.5
250
*
tILIH
—
tILIL
—
tcyc
ns
OSC1 Pulse Width
tOH, tOL
200
—
*The minimum period T
should not be less than the number of cycles it takes to execute the interrupt service routine plus 19 t
cyc
.
ILIL
ELECTRICAL SPECIFICATIONS
MC68HC05P4A
Rev. 2.0
12-6
For More Information On This Product,
Go to: www.freescale.com
FREESCALE [ Freescale ]
