MC68HC908AZ32ACFU MOTOROLA [Motorola, Inc], MC68HC908AZ32ACFU Datasheet - Page 447

• Manufacturer Part Number: MC68HC908AZ32ACFU
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

25.2.5 Control Timing
68HC908AZ32A — Rev 0.0
MOTOROLA
Bus Operating Frequency (4.5–5.5 V — V
RESET Pulse Width Low
IRQ Interrupt Pulse Width Low (Edge-Triggered)
IRQ Interrupt Pulse Period
16-Bit Timer (see Note 2)
MSCAN Wake-up Filter Pulse Width (see Note 5)
NOTES:
Input Capture Pulse Width (see Note 3)
Input Capture Period
NOTES:
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. See Monitor mode description within
V
The 2-bit timer prescaler is the limiting factor in determining timer resolution.
Refer to
The minimum period t
interrupt service routine plus TBD t
The minimum pulse width to wake up the MSCAN module is guaranteed by design but not tested.
V
Run (Operating) I
No dc loads. Less than 100 pF on all outputs. C
linearly affects run I
Wait I
loads. Less than 100 pF on all outputs, C
linearly affects wait I
Stop I
Maximum is highest voltage that POR is guaranteed.
Maximum is highest voltage that POR is possible.
If minimum V
minimum V
See
Although I
DD
DD
= 5.0 Vdc
= 5.0 Vdc
Section 13. Computer Operating Properly
DD
DD
Table 18-2 . Mode, Edge, and Level
measured using external square wave clock source (f
measured with OSC1 = V
DD
DD
DD
is proportional to bus frequency, a current of several mA is present even at very low frequencies.
is reached.
Characteristic
Characteristic
is not reached before the internal POR reset is released, RST must be driven low externally until
0.5v, V
10%, V
DD
DD
DD
measured using external square wave clock source (f
TLTL
. Measured with all modules enabled. Typical values at midpoint of voltage range, 25C only.
. Measured with all modules enabled. Typical values at midpoint of voltage range, 25C only.
SS
SS
Freescale Semiconductor, Inc.
= 0 Vdc, T
or t
= 0 Vdc, T
For More Information On This Product,
ILIL
should not be less than the number of cycles it takes to execute the capture
SS
cyc
A
Section 13. Computer Operating Properly
A
. Typical values at midpoint of voltage range, 25C only.
.
= –40 C to T
= –40 C to +T
DD
Go to: www.freescale.com
L
Electrical Specification
Only)
= 20 pF on OSC2. All ports configured as inputs. OSC2 capacitance
Selection, and supporting note.
L
= 20 pF on OSC2. All ports configured as inputs. OSC2 capacitance
(COP). V
A
(MAX), unless otherwise noted.
A
(MAX), unless otherwise noted.
Symbol
HI
Symbol
t
applied to RST.
TH,
t
t
BUS
f
t
t
WUP
TLTL
BUS
t
ILHI
ILIL
RL
t
TL
= 8.4 MHz). All inputs 0.2 Vdc from rail. No dc
Min
BUS
Note 4
Note 4
Min
1.5
1.5
= 8.4 MHz). All inputs 0.2 V from rail.
—
2
2
(COP). V
Typical
Electrical Specifications
HI
Max
Electrical Specification
8.4
—
—
—
—
—
applied to IRQ or RST
5
Advance Information
Max
MHz
Unit
t
t
t
t
cyc
cyc
cyc
cyc
s
Unit
447