mc68hc908mr8 Freescale Semiconductor, Inc, mc68hc908mr8 Datasheet - Page 346

• Manufacturer Part Number: mc68hc908mr8
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
21.8 Control Timing
21.9 TImer Interface Module Characteristics
Technical Data
346
Frequency of operation
Crystal option
External clock option
Internal operating frequency
RESET input pulse width low
Input capture pulse width
Input clock pulse width
1. V
2. See
3. No more than 10 percent duty cycle deviation from 50 percent.
4. Some modules may require a minimum frequency greater than dc for proper operation; see appropriate table for this infor-
5. Minimum pulse width reset is guaranteed to be recognized. It is possible for a smaller pulse width to cause reset.
mation.
DD
= 5.0 Vdc ± 10%; V
21.8 Control Timing
(3)
Characteristic
(2)
Characteristic
SS
for more information.
= 0 Vdc; timing shown with respect to 20% V
(5)
(1)
Electrical Specifications
Symbol
Symbol
f
t
DD
t
t
OSC
f
t
t
TCH
TCL
IRL
TIH
OP
TIL
and 70% V
(1/f
dc
Min
Min
OP
125
DD
50
—
1
(4)
, unless otherwise noted
) + 5
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
Max
32.8
Max
8.2
—
—
—
8
Unit
MHz
MHz
Unit
ns
ns
ns