ST7FOXK2 datasheet(198/226 Pages) STMICROELECTRONICS

198 / 226 page

Electrical characteristics

ST7FOXF1, ST7FOXK1, ST7FOXK2

198/226

Figure 86.

Typical application with an external clock source

12.6.1

Auto wakeup from Halt oscillator (AWU)

Table 78.

External clock source characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VOSC1H or

VCLKIN_H

OSC1/CLKIN input pin high

level voltage

see Figure 86

0.7xVDD

VDD

VOSC1L or

VCLKIN_L

OSC1/CLKIN input pin low

level voltage

VSS

0.3xVDD

tw(OSC1H) or

tw(CLKINH)

tw(OSC1L) or

tw(CLKINL)

OSC1/CLKIN high or low

time(1)

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

tr(OSC1) or tr(CLKIN)

tf(OSC1) or tf(CLKIN)

OSC1/CLKIN rise or fall time(1)

OSCx/CLKIN Input leakage

current

VSS≤VIN≤VDD

±1

µA

OSC1/CLKIN

OSC2

fOSC

EXTERNAL

ST7xxx

CLOCK SOURCE

Not connected internally

VOSC1L or VCLKINL

VOSC1H or VCLKINH

tr(OSC1 or CLKIN))

tf(OSC1 or CLKIN)

tw(OSC1H or CLKINH))

tw(OSC1L or CLKINL)

90%

10%

Table 79.

AWU from Halt characteristics

Symbol

Parameter(1)

Guaranteed by Design. Not tested in production.

Conditions

Min

Typ

Max

Unit

fAWU

AWU Oscillator

Frequency

kHz

tRCSRT

AWU Oscillator startup

time

µs

ST7FOXK2 数据表(PDF) 198 Page - STMicroelectronics

ST7FOXK2 数据表(HTML) 198 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载