MC908QL4 FREESCALE [Freescale Semiconductor, Inc], MC908QL4 Datasheet - Page 210

• Manufacturer Part Number: MC908QL4
• Description: M68HC08 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Electrical Specifications
17.10 3.3-V Control Timing
17.11 Oscillator Characteristics
210
Internal oscillator frequency
Deviation from trimmed Internal oscillator
Internal operating frequency
Internal clock period (1/f
RST input pulse width low
IRQ interrupt pulse width low (edge-triggered)
IRQ interrupt pulse period
1. V
2. Values are based on characterization results, not tested in production.
3. The minimum period is the number of cycles it takes to execute the interrupt service routine plus 1 t
ICFS1:ICFS0 = 00
ICFS1:ICFS0 = 01
ICFS1:ICFS0 = 10 (not allowed if V
ICFS1:ICFS0 = 11 (not allowed if V
4, 8, 12.8, 25.6MHz, fixed voltage, fixed temp
4, 8, 12.8MHz, V
4, 8, 12.8MHz, V
4, 8, 12.8MHz, V
4, 8, 12.8MHz, V
25.6MHz, V
25.6MHz, V
25.6MHz, V
25.6MHz, V
noted.
DD
= 3.0 to 3.6 Vdc, V
DD
DD
DD
DD
± 10%, 0 to 70°C
± 10%, –40 to 85°C
± 10%, –40 to 105°C
± 10%, –40 to 125°C
DD
DD
DD
DD
Characteristic
± 10%, 0 to 70°C
± 10%, –40 to 85°C
± 10%, –40 to 105°C
± 10%, –40 to 125°C
RST
IRQ
OP
Characteristic
(2)
(2)
SS
)
(1)
= 0 Vdc, T
DD
DD
A
<3.0V)
< 4.5V)
Figure 17-6. RST and IRQ Timing
(1)
= T
(2)(3)
MC68HC908QL4 Data Sheet, Rev. 7
L
(2)
to T
H
t
t
ILIH
RL
; timing shown with respect to 20% V
Symbol
ACC
f
INTCLK
t
ILIL
INT
Min
f
Symbol
OP
—
—
—
—
—
—
—
—
—
—
—
—
—
t
t
t
t
ILIH
ILIL
cyc
(f
RL
Bus
)
± 0.4
Note
12.8
25.6
Typ
± 2
± 5
DD
—
—
—
—
—
—
Min
250
200
200
4
8
—
and 70% V
(3)
— Continued on next page
Freescale Semiconductor
cyc
DD
Max
± 10
± 10
± 10
Max
± 5
± 5
± 5
—
—
—
—
—
—
—
—
—
—
—
4
.
, unless otherwise
MHz
MHz
Unit
Unit
t
ns
ns
ns
%
cyc