MK20DX256ZVLK10 Freescale Semiconductor, MK20DX256ZVLK10 Datasheet - Page 12

• Manufacturer Part Number: MK20DX256ZVLK10
• Description: KINETIS 256K USB
• Manufacturer: Freescale Semiconductor

Specifications of MK20DX256ZVLK10

• Processor Series: K20
• Core: ARM Cortex M4
• Data Bus Width: 16 bit
• Program Memory Type: Flash
• Program Memory Size: 256 KB
• Data Ram Size: 128 KB
• Interface Type: USB, CAN, SPI, I2C, UART
• Maximum Clock Frequency: 100 MHz
• Number Of Programmable I/os: 2
• Number Of Timers: 2
• Operating Supply Voltage: 1.71 V to 3.6 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-80
• Operating Temperature Range: - 40 C to + 105 C
• Processor To Be Evaluated: MK20DX256ZVLK10
• Supply Current (max): 185 mA
• Lead Free Status / Rohs Status: No

General
5.2.1 Voltage and current operating requirements
1. All 5 volt tolerant digital I/O pins are internally clamped to V
2. Analog pins are defined as pins that do not have an associated general purpose I/O port function.
3. All analog pins are internally clamped to V
12
V
V
DD
SS
V
Symbol
connection to V
resistors at the pads. If this limit cannot be observed then a current limiting resistor is required. The negative DC injection
current limiting resistor is calculated as R=(V
(=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
I
I
I
V
RFVBAT
V
V
V
ICcont
V
ICDIO
ICAIO
V
V
– V
– V
DDA
RAM
BAT
HYS
DD
IH
IL
SS
DDA
SSA
-0.3V) and V
Supply voltage
Analog supply voltage
V
V
RTC battery supply voltage
Input high voltage
Input low voltage
Input hysteresis
Digital pin negative DC injection current — single pin
Analog
— 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
• V
• Negative current injection
• Positive current injection
-to-V
voltage required to retain RAM
DD
voltage required to retain the VBAT register file
. If V
2
IN
IN
IN
IN
, EXTAL, and XTAL pin DC injection current
IN
SSA
DDA
Table 1. Voltage and current operating requirements
-V
< V
< V
> V
is less than V
IN
AIO_MAX
differential voltage
differential voltage
SS
SS
DD
greater than V
DD
DD
DD
DD
-0.3V
-0.3V (Negative current injection)
+0.3V (Positive current injection)
K20 Sub-Family Data Sheet Data Sheet, Rev. 6, 9/2011.
≤ 3.6 V
≤ 2.7 V
≤ 3.6 V
≤ 2.7 V
)/|I
IC
AIO_MAX
|. Select the larger of these two calculated resistances.
DIO_MIN
(=V
SS
DIO_MIN
and V
DD
(=V
+0.3V) is observed, then there is no need to provide current limiting
SS
DD
-V
-0.3V) is observed, then there is no need to provide current limiting
AIO_MIN
IN
through ESD protection diodes. If V
)/|I
IC
SS
|.
-V
through a ESD protection diode. There is no diode
IN
)/|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
—
—
-5
-5
—
—
DD
DD
DD
0.35 × V
0.3 × V
Max.
+25
3.6
3.6
0.1
0.1
3.6
+5
—
—
—
—
—
—
—
—
IN
DD
DD
is greater than V
Freescale Semiconductor, Inc.
Unit
mA
mA
mA
V
V
V
V
V
V
V
V
V
V
V
V
AIO_MIN
Notes
1
3