MC9S12DJ256 MOTOROLA [Motorola, Inc], MC9S12DJ256 Datasheet - Page 93
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MC9S12DJ256
Manufacturer Part Number
MC9S12DJ256
Description
MC9S12DT256 Device User Guide V03.03
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC9S12DJ256.pdf
(130 pages)
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A.1.4 Current Injection
Power supply must maintain regulation within operating V
operating maximum current conditions. If positive injection current (V
injection current may flow out of VDD5 and could result in external power supply going out of regulation.
Ensure external VDD5 load will shunt current greater than maximum injection current. This will be the
greatest risk when the MCU is not consuming power; e.g. if no system clock is present, or if clock rate is
very low which would reduce overall power consumption.
A.1.5 Absolute Maximum Ratings
Absolute maximum ratings are stress ratings only. A functional operation under or outside those maxima
is not guaranteed. Stress beyond those limits may affect the reliability or cause permanent damage of the
device.
This device contains circuitry protecting against damage due to high static voltage or electrical fields;
however, it is advised that normal precautions be taken to avoid application of any voltages higher than
maximum-rated voltages to this high-impedance circuit. Reliability of operation is enhanced if unused
inputs are tied to an appropriate logic voltage level (e.g., either V
NOTES:
Num
1. Beyond absolute maximum ratings device might be damaged.
10
11
12
13
1
2
3
4
5
6
7
8
9
I/O, Regulator and Analog Supply Voltage
Digital Logic Supply Voltage
PLL Supply Voltage
Voltage difference VDDX to VDDR and VDDA
Voltage difference VSSX to VSSR and VSSA
Digital I/O Input Voltage
Analog Reference
XFC, EXTAL, XTAL inputs
TEST input
Instantaneous Maximum Current
Single pin limit for all digital I/O pins
Instantaneous Maximum Current
Single pin limit for XFC, EXTAL, XTAL
Instantaneous Maximum Current
Single pin limit for TEST
Storage Temperature Range
Table A-1 Absolute Maximum Ratings
2
Rating
5
2
3
4
DD5
Symbol
V
V
MC9S12DT256 Device User Guide — V03.03
V
RH,
V
V
DDPLL
VDDX
V
T
VSSX
V
TEST
I
I
DD5
I
DT
DL
or V
DD
ILV
stg
D
IN
V
SS5
RL
DD
or V
in
range during instantaneous and
> V
-0.25
Min
– 65
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
DD5
-25
-25
1
DD5
).
) is greater than I
Max
10.0
+25
+25
155
6.0
3.0
3.0
0.3
0.3
6.0
6.0
3.0
0
Unit
mA
mA
mA
V
V
V
V
V
V
V
V
V
C
DD5
, the
91