MK21DN512VMC5 Freescale Semiconductor, MK21DN512VMC5 Datasheet - Page 11

• Manufacturer Part Number: MK21DN512VMC5
• Description: ARM Microcontrollers - MCU ARM+512Kb+USB+DryIce
• Manufacturer: Freescale Semiconductor

Specifications of MK21DN512VMC5

• Core: ARM Cortex M4
• Processor Series: MK21DN512
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 512 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.71 V to 3.6 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: MAPBGA-121
• Mounting Style: SMD/SMT
• A/d Bit Size: 16 bit
• Interface Type: Serial
• Length: 8 mm
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Number Of Timers: 2
• On-chip Dac: Yes
• Program Memory Type: Flash
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 1.71 V

5.2.1 Voltage and current operating requirements
1. All analog pins are internally clamped to V
5.2.2 LVD and POR operating requirements
Freescale Semiconductor, Inc.
V
V
Symbol
DD
SS
V
Symbol
(=V
resistors at the pads. If these limits cannot be observed then a current limiting resistor is required. The negative DC
injection current limiting resistor is calculated as R=(V
calcualted as R=(V
V
I
V
RFVBAT
V
V
V
ICcont
V
I
POR
V
V
ICIO
– V
– V
DDA
RAM
BAT
HYS
DD
IH
IL
SS
DDA
SSA
-0.3V) and V
Falling VDD POR detect voltage
Description
Supply voltage
Analog supply voltage
V
V
RTC battery supply voltage
Input high voltage
Input low voltage
Input hysteresis
I/O pin DC injection current — single pin
Contiguous pin DC injection current —regional limit,
includes sum of negative injection currents or sum of
positive injection currents of 16 contiguous pins
V
V
Description
DD
SS
DD
BAT
-to-V
• 2.7 V ≤ V
• 1.7 V ≤ V
• 2.7 V ≤ V
• 1.7 V ≤ V
• V
• V
• Negative current injection
• Positive current injection
-to-V
voltage required to retain RAM
Table 2. V
voltage required to retain the VBAT register file
IN
IN
IN
IN
SSA
DDA
Table 1. Voltage and current operating requirements
< V
> V
-V
is less than V
AIO_MAX
differential voltage
differential voltage
SS
DD
DD
DD
DD
DD
-0.3V (Negative current injection)
K21 Sub-Family Data Sheet Data Sheet, Rev. 3, 08/2012.
+0.3V (Positive current injection)
≤ 3.6 V
≤ 2.7 V
≤ 3.6 V
≤ 2.7 V
)/|I
DD
IC
AIO_MAX
|. Select the larger of these two calculated resistances.
supply LVD and POR operating requirements
Table continues on the next page...
(=V
SS
and V
DD
+0.3V) is observed, then there is no need to provide current limiting
DD
AIO_MIN
through ESD protection diodes. If V
-V
IN
Min.
0.8
)/|I
IC
0.75 × V
0.06 × V
V
0.7 × V
|. The positive injection current limiting resistor is
POR_VBAT
1.71
1.71
–0.1
–0.1
1.71
Min.
-25
1.2
—
—
-3
—
—
DD
Typ.
DD
DD
1.1
0.35 × V
0.3 × V
Max.
+25
3.6
3.6
0.1
0.1
3.6
+3
—
—
—
—
—
—
—
Max.
IN
1.5
DD
DD
is greater than V
Unit
mA
mA
V
V
V
V
V
V
V
V
V
V
V
V
Unit
V
AIO_MIN
Notes
Notes
General
1
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