MC9S08QE32_09 FREESCALE [Freescale Semiconductor, Inc], MC9S08QE32_09 Datasheet - Page 14

• Manufacturer Part Number: MC9S08QE32_09
• Description: 8-Bit HCS08 Central Processor Unit (CPU)
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

1
2
3
4
5
6
7
Electrical Characteristics
14
Num C
16
17
18
19
20
21
22
Typical values are measured at 25 °C. Characterized, not tested
As the supply voltage rises, the LVD circuit will hold the MCU in reset until the supply has risen above V
All functional non-supply pins, except for PTA5 are internally clamped to V
Input must be current limited to the value specified. To determine the value of the required current-limiting resistor, calculate
resistance values for positive and negative clamp voltages, then use the larger of the two values.
Power supply must maintain regulation within operating V
conditions. If positive injection current (V
in external power supply going out of regulation. Ensure external V
current. This will be the greatest risk when the MCU is not consuming power. Examples are: if no system clock is present, or
if clock rate is very low (which would reduce overall power consumption).
Maximum is highest voltage that POR is guaranteed.
Factory trimmed at V
40
35
30
25
20
1.8
D POR re-arm time
P
P
P
P
C
P Bandgap Voltage Reference
Low-voltage detection threshold —
high range
Low-voltage detection threshold —
low range
Low-voltage warning threshold —
high range
Low-voltage warning threshold —
low range
Low-voltage inhibit reset/recover
hysteresis
2
2.2
PULLUP RESISTOR TYPICALS
2.4
DD
Characteristic
Figure 6. Pullup and Pulldown Typical Resistor Values (V
2.6
= 3.0 V, Temp = 25 °C
V
DD
(V)
2.8
3
7
MC9S08QE32 Series MCU Data Sheet, Rev. 6
Table 7. DC Characteristics (continued)
3.2
In
> V
3.4
DD
–40°C
85°C
25°C
) is greater than I
3.6
Symbol
V
V
V
V
t
V
V
LVWH
POR
LVDH
LVWL
LVDL
hys
BG
DD
range during instantaneous and operating maximum current
DD
Condition
V
V
V
V
40
35
30
25
20
V
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
DD
, the injection current may flow out of V
1.8
falling
falling
falling
falling
load will shunt current greater than maximum injection
rising
rising
rising
rising
SS
and V
PULLDOWN RESISTOR TYPICALS
2.3
DD
.
2.11
2.16
1.80
1.88
2.36
2.36
2.11
2.16
1.15
Min
10
—
V
DD
DD
(V)
= 3.0 V)
2.8
Typical
2.16
2.21
1.82
1.90
2.46
2.46
2.16
2.21
1.17
80
—
Freescale Semiconductor
1
LVDL
DD
3.3
.
and could result
Max
2.22
2.27
1.91
1.99
2.56
2.56
2.22
2.27
1.18
–40°C
—
—
85°C
25°C
3.6
Unit
mV
μs
V
V
V
V
V