FXLS8974CF datasheet(12/96 Pages) NXP

12 / 96 page

NXP Semiconductors

FXLS8974CF

3-Axis Low-g Accelerometer

Pin Name

Pin Description

SCL

I2C serial clock (pull-up resistor is required)

SDA

I2C serial data (pull-up resistor is required)

Table 10. I2C serial interface pin description

12.1 I2C interface characteristics

The I2C secondary address (7-bit format) is set to 18h when SA0 = 0, and 19h when

SA0 = 1.

SA0

I2C write address

I2C read address

30h (0011 0000b)

31h (0011 0001b)

32h (0011 0010b)

33h (0011 0011b)

Table 11. FXLS8974CF I2C read and write addresses

I2C Standard-

mode[1]

I2C Fast-mode[1]

I2C Fast-mode Plus[2]

Parameter

Symbol

Min

Max

Min

Max

Min

Max

Unit

SCL clock frequency

fSCL

100

400

1000

kHz

Bus free time between

STOP and START

conditions

tBUF

4.7

—

1.3

—

0.5

—

µs

Repeated START hold

time

tHD;STA

—

0.6

—

0.26

—

µs

Repeated START setup

time

tSU;STA

4.7

—

0.6

—

0.26

—

µs

STOP condition setup

time

tSU;STO

—

0.6

—

0.26

—

µs

SDA valid time[3]

tVD;DAT

—

3.45[4]

—

0.9[4]

—

0.45[4]

µs

SDA valid acknowledge

time[5]

tVD;ACK

—

3.45[4]

—

0.9[4]

—

0.45[4]

µs

SDA setup time

tSU;DAT

250

—

100[6]

—

SCL clock low time

tLOW

4.7

—

1.3

—

0.50

—

µs

SCL clock high time

tHIGH

4.0

—

0.6

—

0.26

—

µs

SDA and SCL risetime

—

1000

300

—

120

SDA and SCL fall

time[7][8]

—

300

20*(VDD/5.5)

300

20*(VDD/5.5)

120

Pulse width of spikes

on SDA and SCL

(suppressed by the input

filter)

tSP

Table 12. I2C secondary timing values for Standard-mode (Sm), Fast-mode (Fm), and Fast-mode Plus (Fm

[1]

All values referred to VIH(min) and VIL(max) levels.

[2]

Should be backward compatible with Fast mode.

FXLS8974CF

All information provided in this document is subject to legal disclaimers.

Objective data sheet

Rev. 1 — 27 April 2021

12 / 96

FXLS8974CF датащи(PDF) 12 Page - NXP Semiconductors

FXLS8974CF датащи(HTML) 12 Page - NXP Semiconductors

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

датащи скачать

ссылки URL