mc68hc05p4a Freescale Semiconductor, Inc, mc68hc05p4a Datasheet - Page 64

• Manufacturer Part Number: mc68hc05p4a
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

12.10 3.3-Volt Control Timing
64
Frequency of operation
Internal operating frequency
Cycle time
Crystal oscillator startup time
Stop recovery startup time (crystal oscillator)
RESET pulse width, excluding powerup
Interrupt pulse width low (edge-triggered)
Interrupt pulse period
OSC1 pulse width
Notes:
*The minimum period t
Electrical Specifications
1. V
Crystal Option
External Clock Option
Crystal (f
External clock (f
DD
= 3.3 Vdc ± 10%, V
INTERNAL
INTERNAL
ADDRESS
Notes:
CLOCK
RESET
osc
OSC 1
IRQ 2
IRQ 3
1. Represents the internal clocking of the OSC1 pin.
2. IRQ pin edge-sensitive mask option
3. IRQ pin level- and edge-sensitive mask option
4. RESET vector address shown for timing example
BUS
÷ 2)
osc
ILIL
÷ 2)
should not be less than the number of cycles it takes to execute the interrupt service routine plus 19 t
SS
Characteristic
= 0 Vdc, T
t
t
ILIH
RL
A
= –40°C to +85°C, unless otherwise noted
Figure 12-2. STOP Recovery Timing
MC68HC05P4A Data Sheet, Rev. 7.1
1FFE
4064
t
cyc
1FFE
Symbol
t
OH,
t
t
OXOV
t
ILCH
t
f
t
t
f
ILIH
osc
ILIL
cyc
RL
op
t
OL
1FFE
1000
Min
250
200
1.5
dc
dc
—
—
—
—
1FFE
*
RESET OR INTERRUPT
1FFE
VECTOR FETCH
Max
100
100
2.0
2.0
1.0
1.0
—
—
—
—
—
Freescale Semiconductor
1FFF
4
Unit
MHz
MHz
t
t
ms
ms
ns
ns
ns
cyc
cyc
cyc
.