CM68HC05C4ACFB Motorola / Freescale Semiconductor, CM68HC05C4ACFB Datasheet - Page 149

• Manufacturer Part Number: CM68HC05C4ACFB
• Description: Microcontroller
• Manufacturer: Motorola / Freescale Semiconductor

B.6 2.4–3.6 V High-Speed Control Timing
MC68HC05C4A
MOTOROLA
Oscillator Frequency
Internal Operating Frequency (f
Cycle Time
Crystal Oscillator Startup Time
Stop Recovery Startup Time
RESET Pulse Width
Timer
Interrupt Pulse Width Low (Edge-Triggered)
Interrupt Pulse Period
OSC1 Pulse Width
NOTES:
Crystal
External Clock
Crystal
External Clock
Resolution (Note 1)
Input Capture Pulse Width
Input Capture Pulse Width
1. Because a 2-bit prescaler in the timer must count four internal cycles (t
2. The minimum period, t
3. The minimum, t
determining the timer resolution.
service routine plus 24 t
plus 19 t
cyc
—
.
Rev. 4.0
ILIL
, should not be less than the number of cycle times it takes to execute the interrupt service routine
Characteristic
TLTL
cyc
,
.
should not be less than the number of cycle times it takes to execute the capture interrupt
osc
2)
MC68HSC05C4A
t
Symbol
t
OH
cyc
TH
t
t
t
t
f
t
OXOV
t
THTL
t
f
ILCH
t
osc
resl
), this is the limiting minimum factor in
cyc
ILIH
or t
ILIL
or t
OP
RL
OL
TL
General Release Specification
Note 2
Note 3
Min
480
125
125
1.5
4.0
dc
dc
90
—
—
MC68HSC05C4A
Max
100
100
4.2
4.2
2.1
2.1
—
—
—
—
—
—
—
—
MHz
MHz
Unit
t
t
t
t
ms
ms
ns
ns
ns
ns
cyc
cyc
cyc
cyc
149