參數(shù)資料
型號： MC9S08MM32ACLH64
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 48 MHz, MICROCONTROLLER, PQFP64
封裝： 10 X 10 MM, ROHS COMPLIANT, LQFP-64
文件頁數(shù)： 11/52頁
文件大小： 548K
代理商： MC9S08MM32ACLH64
Electrical Characteristics
Freescale Semiconductor
19
20
VLVWH Low-voltage
warning
threshold —
high range9
VDD falling
—
2.36
2.46
2.56
V
P
VDD rising
—
2.36
2.46
2.56
V
P
21
VLVWL Low-voltage
warning
threshold —
low range9
VDD falling
—
2.11
2.16
2.22
V
P
VDD rising
—
2.16
2.23
2.27
V
P
22
Vhys
Low-voltage inhibit reset/recover
hysteresis10
——
50
—
mV
C
23
VBG
Bandgap Voltage Reference11
—
1.15
1.17
1.18
V
P
1 Typical values are measured at 25
C. Characterized, not tested
2 As the supply voltage rises, the LVD circuit will hold the MCU in reset until the supply has risen above V
LVDL.
3 Does not include analog module pins. Dedicated analog pins should not be pulled to V
DD or VSS and should be left
floating when not used to reduce current leakage.
4 Measured with V
In = VDD.
5 All functional non-supply pins are internally clamped to V
SS and VDD except PTD1.
6 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.
7 Power supply must maintain regulation within operating V
DD range during instantaneous and operating maximum
current conditions. If positive injection current (VIn > VDD) is greater than IDD, the injection current may flow out of VDD
and could result in external power supply going out of regulation. Ensure external VDD load will shunt current greater
than maximum injection 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).
8 Maximum is highest voltage that POR is guaranteed.
9 Run at 1 MHz bus frequency
10 Low voltage detection and warning limits measured at 1 MHz bus frequency.
11 Factory trimmed at V
DD = 3.0 V, Temp = 25C
Table 9. DC Characteristics (Continued)
Num Symbol
Characteristic
Condition
Min
Typ1
Max
Unit
C
Freescale reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
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