MC68HC908AP16CFA MOTOROLA [Motorola, Inc], MC68HC908AP16CFA Datasheet - Page 422

• Manufacturer Part Number: MC68HC908AP16CFA
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Electrical Specifications
24.10 3V Control Timing
Data Sheet
422
Notes:
Notes:
POR rearm voltage
POR rise time ramp rate
Monitor mode entry voltage
Pullup resistors
Low-voltage inhibit, trip falling voltage1
Low-voltage inhibit, trip rising voltage1
Low-voltage inhibit, trip voltage2
V
Internal operating frequency
RST input pulse width low
1. V
2. Typical values reflect average measurements at midpoint of voltage range, 25 °C only.
3. At V
4. Run (operating) I
5. Wait I
6. STOP I
7. STOP I
8. Maximum is highest voltage that POR is guaranteed. The rearm voltage is triggered by V
9. If minimum V
10. R
11. Values are not affected by operating V
12. Measured from V
1. V
2. Some modules may require a minimum frequency greater than dc for proper operation; see appropriate table for this
3. Minimum pulse width reset is guaranteed to be recognized. It is possible for a smaller pulse width to cause a reset.
REG
PTD[0:7]
RST, IRQ1, IRQ2
information.
than the I
than 100 pF on all outputs; C
measured with all modules enabled.
on all outputs. C
V
DD
DD
DD
PU1
(11), (12)
DD
= 2.7 to 3.3 Vdc, V
is reached.
= 2.7 to 3.3 Vdc, V
DD
and R
DD
DD
= 3V, an on-chip charge pump is activated for the V
measured using external 16MHz/32MHz clock to OSC1; all inputs 0.2 V from rail; no dc loads; less than 100 pF
DD
measured with external 32.768kHz clock to OSC1; no port pins sourcing current.
measured with OSC1 grounded; no port pins sourcing current.
values at V
DD
PU2
(10)
is not reached before the internal POR reset is released,
L
are measured at V
Characteristic
DD
= 20 pF on OSC2; all ports configured as inputs; OSC2 capacitance linearly affects wait I
DD
(8)
measured using external 16MHz/32MHz clock to OSC1; all inputs 0.2 V from rail; no dc loads; less
= V
Characteristic
SS
SS
DD
(9)
TRIPF1
(3)
= 0 Vdc, T
= 0 Vdc; timing shown with respect to 20% V
Table 24-8. DC Electrical Characteristics (3V)
= 5V.
(2)
L
= 20 pF on OSC2; all ports configured as inputs; OSC2 capacitance linearly affects run I
Freescale Semiconductor, Inc.
(Min) to 5.5 V.
(11)
(1)
For More Information On This Product,
DD
A
Table 24-9. Control Timing (3V)
= T
= 5.0V
(1)
(11)
DD
(11)
L
; they are the same for 3V and 5V.
to T
Go to: www.freescale.com
H
, unless otherwise noted.
Symbol
V
V
V
REG
R
V
V
R
R
TRIPF1
TRIPR1
TRIPF2
V
POR
REG
POR
PU1
PU2
HI
regulator, therefore some I
Symbol
DD
RST
t
f
OP
IRL
1.4 × V
and 70% V
0.02
2.25
2.35
2.25
2.25
Min
21
21
must be driven low externally until minimum
0
DD
MC68HC908AP Family — Rev. 2.5
DD
Min
1.5
—
, unless otherwise noted.
REG
Typ
2.45
2.55
2.45
2.50
27
27
—
—
DD
.
(2)
values will appear higher
Max
—
8
Max
2.65
2.75
2.65
2.75
100
8.5
—
39
39
DD
MOTOROLA
.
MHz
Unit
µs
V/ms
Unit
mV
kΩ
kΩ
V
V
V
V
V
DD
;