ST7PLIT110BY1U6TR データシートの表示（PDF） - STMicroelectronics

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ST7PLIT110BY1U6TR

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 5 TIMERS, SPI

STMicroelectronics 

ST7LITE1xB

13.5 CLOCK AND TIMING CHARACTERISTICS

Subject to general operating conditions for VDD, fOSC, and TA.

13.5.1 General Timings

Symbol

Parameter 1)

Conditions

tc(INST)

tv(IT)

Instruction cycle time

Interrupt reaction time 3)

tv(IT) = Δtc(INST) + 10

fCPU=8MHz

fCPU=8MHz

Min

2

250

10

1.25

Typ 2)

3

375

Max

12

1500

22

2.75

Unit

tCPU

ns

tCPU

μs

Notes:

1. Guaranteed by Design. Not tested in production.

2. Data based on typical application software.

3. Time measured between interrupt event and interrupt vector fetch. Δtc(INST) is the number of tCPU cycles needed to fin-

ish the current instruction execution.

4. Data based on design simulation and/or technology characteristics, not tested in production.

13.5.2 External Clock Source

Symbol

Parameter

VOSC1H or VCLKIN_H OSC1/CLKIN input pin high level voltage

VOSC1L or VCLKIN_L OSC1/CLKIN input pin low level voltage

tw(OSC1H) or tw(CLKINH)

tw(OSC1L) or tw(CLKINL)

OSC1/CLKIN high or low time 4)

tr(OSC1) or tr(CLKIN)

tf(OSC1) or tf(CLKIN)

OSC1/CLKIN rise or fall time 4)

IL

OSCx/CLKIN Input leakage current

Conditions

see Figure 78

VSS≤VIN≤VDD

Min Typ

0.7xVDD

VSS

Max Unit

VDD

V

0.3xVDD

15

ns

15

±1 μA

Figure 78. Typical Application with an External Clock Source

VOSC1H or VCLKINH

VOSC1L or VCLKINL

90%

10%

tr(OSC1 or CLKIN)) tf(OSC1 or CLKIN)

tw(OSC1H or CLKINH)) tw(OSC1L or CLKINL)

EXTERNAL

CLOCK SOURCE

OSC2

Not connected internally

OSC1/CLKIN

fOSC

IL

ST72XXX

13.5.3 Auto Wakeup from Halt Oscillator (AWU)

Symbol

fAWU

tRCSRT

Parameter 1)

AWU Oscillator Frequency

AWU Oscillator startup time

Conditions

Note: 1. Guaranteed by Design. Not tested in production.

Min

Typ

Max

Unit

50

125

250

kHz

50

µs

124/159

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