參數資料
型號： MAC7131MPV
廠商： Motorola, Inc.
英文描述： MAC7100 Microcontroller Family Hardware Specifications
中文描述： MAC7100微控制器系列硬件規(guī)格
文件頁數： 11/48頁
文件大小： 1514K
代理商： MAC7131MPV
MOTOROLA
MAC7100 Microcontroller Family Hardware Specifications
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
For More Information On This Product,
Go to: www.freescale.com
11
Electrical Characteristics
3.6.5
Chip Power Up and Voltage Drops
The VREG sub-modules LVI (low voltage interrupt), POR (power on reset) and LVR (low voltage reset)
handle chip power-up or drops of the supply voltage. Refer to Figure 2.
Figure 2. VREG Chip Power-up and Voltage Drops
3.6.6
Output Loads
The on-chip voltage regulator is intended to supply the internal logic and oscillator circuits. No external DC
load is allowed. Capacitive loads are specified in Table 14. Capacitors with X7R dielectricum are required.
Table 14. VREG Recommended Load Capacitances
Rating
Symbol
Min
Typ
Max
Unit
Load Capacitance on each V
DD
2.5 pin
C
LVDD
200
440
12000
nF
Load Capacitance on V
DD
PLL pin
C
LVDDfcPLL
90
220
5000
nF
LVI Disabled
due to LVR
V
LVID
V
LVIA
V
LVRD
V
LVRA
LVR
POR
LVI
V
PORD
Time
LVI Enabled
V
DD
A
V
DD
2.5
Voltage
Note: Not to scale.
F
Freescale Semiconductor, Inc.
n
.
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