参数资料
型号: LIS33DETR
厂商: STMICROELECTRONICS
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PBGA16
封装: 3 X 3 MM, 1 MM HEIGHT, GREEN, PLASTIC, LGA-16
文件页数: 2/31页
文件大小: 532K
代理商: LIS33DETR
Mechanical and electrical specifications
LIS33DE
10/31
Doc ID 15596 Rev 1
2.3
Communication interface characteristics
2.3.1
SPI - serial peripheral interface
Subject to general operating conditions for Vdd and top.
Figure 3.
SPI slave timing diagram (a)
3.
When no communication is on-going, data on CS, SPC, SDI and SDO are driven by internal pull-up
resistors
Table 5.
SPI slave timing values
Symbol
Parameter
Value(1)
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
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
a.
Measurement points are done at 0.2Vdd_IO and 0.8Vdd_IO, for both Input and Output port
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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