MC68HC908GR4 MOTOROLA [Motorola, Inc], MC68HC908GR4 Datasheet - Page 368

• Manufacturer Part Number: MC68HC908GR4
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Electrical Specifications
23.7 5.0 V Control Timing
Technical Data
368
Frequency of operation
Internal operating frequency
Internal clock period (1/f
RESET input pulse width low
IRQ interrupt pulse width low
IRQ interrupt pulse period
16-bit timer
Notes:
1. V
2. See
3. No more than 10% duty cycle deviation from 50%
4. Some modules may require a minimum frequency greater than dc for proper operation.
5. Minimum pulse width reset is guaranteed to be recognized. It is possible for a smaller pulse
6. Minimum pulse width is for guaranteed interrupt. It is possible for a smaller pulse width to
7. Minimum pulse width is for guaranteed interrupt. It is possible for a smaller pulse width to
8. The minimum period, t
Crystal option
External clock option
(edge-triggered)
Input capture pulse width
Input capture period
Freescale Semiconductor, Inc.
See appropriate table for this information.
width to cause a reset.
be recognized.
be recognized.
execute the interrupt service routine plus t
SS
For More Information On This Product,
= 0 Vdc; timing shown with respect to 20% V
Clock Generation Module Characteristics
Characteristic
(7)
Go to: www.freescale.com
Electrical Specifications
Table 23-6. 5.0 V Control Timing
(3)
ILIL
(2)
OP
(1)
or t
)
TLTL
(6)
(5)
, should not be less than the number of cycles it takes to
Symbol
cyc
t
TH,
t
f osc
t
t
t
t
TLTL
f op
.
ILIH
IRL
ILIL
cyc
for more information.
t
TL
DD
and 70% V
MC68HC908GR8 — Rev 4.0
Note 8
Note 8
dc
Min
122
32
50
50
—
SS
(4)
unless otherwise noted.
Max
32.8
100
8.2
—
—
—
—
—
—
MOTOROLA
MHz
MHz
Unit
kHz
t
t
ns
ns
ns
ns
cyc
cyc