參數(shù)資料
型號(hào): LIS331DL
廠商: STMICROELECTRONICS
元件分類: 模擬信號(hào)調(diào)理
英文描述: MOTION SENSOR, PQCC16
封裝: 3 X 3 MM, 1 MM HEIGHT, GREEN, PLASTIC, LGA-16
文件頁(yè)數(shù): 4/42頁(yè)
文件大?。?/td> 643K
代理商: LIS331DL
Mechanical and electrical specifications
LIS331DL
12/42
2.3
Communication interface characteristics
2.3.1
SPI - serial peripheral interface
Subject to general operating conditions for Vdd and top.
Table 5.
SPI slave timing values
Figure 3.
SPI slave timing diagram (2)
2.
Measurement points are done at 0.2Vdd_IO and 0.8Vdd_IO, for both Input and Output port
3.
When no communication is on-going, data on CS, SPC, SDI and SDO are driven by internal pull-up resistors
Symbol
Parameter
Value(1)
Unit
Min
Max
tc(SPC)
SPI clock cycle
100
ns
fc(SPC)
SPI clock frequency
10
MHz
tsu(CS)
CS setup time
5
ns
th(CS)
CS hold time
8
tsu(SI)
SDI input setup time
5
th(SI)
SDI input hold time
15
tv(SO)
SDO valid output time
50
th(SO)
SDO output hold time
6
tdis(SO)
SDO output disable time
50
1.
Values are guaranteed at 10 MHz clock frequency for SPI with both 4 and 3 wires, based on characterization results, not
tested in production
SPC
CS
SDI
SDO
tsu(CS)
tv(SO)
th(SO)
th(SI)
tsu(SI)
th(CS)
tdis(SO)
tc(SPC)
MSB IN
MSB OUT
LSB OUT
LSB IN
(3)
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