ST72141K2 datasheet(119/132 Pages) STMICROELECTRONICS

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ST72141K

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10.2 RECOMMENDED OPERATING CONDITIONS

10.3 DC ELECTRICAL CHARACTERISTICS

Recommended operating conditions with TA=-40 to +125

oC, V

DD-VSS=5V unless otherwise specified.

10.4 GENERAL TIMING CHARACTERISTICS

Notes:

1) Unless otherwise specified, typical data is based on TA=25°C and VDD-VSS=5V. This data is provided only as design

guidelines and is not tested.

2) Fixed frequencies required to obtain 4MHz for the motor control peripheral.

3) CPU running with memory access, all I/O pins in input mode with a static value at VDD or VSS, all peripherals switched

off; clock input (OSC2) driven by external square wave.

4) All I/O pins in input mode with a static value at VDD or VSS, all peripherals switched off; clock input (OSC2) driven by

external square wave.

5) All I/O pins in input mode with a static value at VDD or VSS.

6) Data based on characterization results, not tested in production.

∆t

INST is the number of tCPU to finish the current instruction execution.

GENERAL

Symbol

Parameter

Conditions

Min

Typ 1)

Max

Unit

VDD

Supply voltage

4.0

5.5

fOSC

Resonator oscillator frequency

8 or 16 2)

MHz

External clock source

Ambient temperature range

1 Suffix Version

°C

6 Suffix Version

-40

3 Suffix Version

-40

125

Symbol

Parameter

Conditions

Min

Typ 1)

Max

Unit

IDD

Supply current in RUN mode 3)

fOSC = 8 MHz, fCPU = 4 MHz

fOSC = 16 MHz, fCPU = 8 MHz

Supply current in SLOW mode 3)

fOSC = 8 MHz, fCPU = 250 kHz

fOSC = 16 MHz, fCPU = 500 kHz

0.7

1.1

1.7

Supply current in WAIT mode 4)

fOSC = 8MHz, fCPU = 4 MHz

fOSC = 16MHz, fCPU = 8 MHz

3.3

Supply current in SLOW WAIT mode 4)

fOSC = 8 MHz, fCPU = 250 kHz

fOSC = 16 MHz, fCPU = 500 kHz

0.65

0.8

1.4

Supply current in HALT mode 5)

ILOAD = 0mA (current on IOs)

200

µA

VRM

Data retention mode 6)

HALT mode

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

tINST

Instruction time

tCPU

tIRT

Interrupt reaction time

tIRT = ∆tINST + 10

tCPU

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