參數(shù)資料
型號(hào): LY530ALTR
廠商: STMICROELECTRONICS
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PBGA16
封裝: 5 X 5 MM, 1.60 MM HEIGHT, LEAD FREE, LGA-16
文件頁數(shù): 3/30頁
文件大?。?/td> 576K
代理商: LY530ALTR
LY530AL
Mechanical and electrical specifications
11/30
2.4
Communication interface characteristics
2.4.1
SPI - serial peripheral interface
Subject to general operating conditions for Vdd and Top.
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
Table 6.
SPI slave timing values
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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