參數(shù)資料
型號: 90E36ERGI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP48
封裝: TQFP-48
文件頁數(shù): 66/75頁
文件大?。?/td> 904K
代理商: 90E36ERGI
90E36
POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Electrical Specification
69
August 24, 2011
7.3
INTERFACE TIMING
7.3.1
SPI INTERFACE TIMING (SLAVE MODE)
The SPI interface timing is as shown in Figure-23 and Table-17.
Figure-23 SPI Timing Diagram
Table-17 SPI Timing Specification
Symbol
Description
Min.
Typical
Max.
Unit
tCSH
Minimum CS High Level Time
2T
note 1+10
ns
tCSS
CS Setup Time
2T+10
ns
tCSD
CS Hold Time
3T+10
ns
tCLD
Clock Disable Time
1T
ns
tCYC
SCLK cycle
7T+10
ns
tCLH
Clock High Level Time
5T+10
ns
tCLL
Clock Low Level Time
2T+10
ns
tDIS
Data Setup Time
2T+10
ns
tDIH
Data Hold Time
1T+10
ns
tDW
Minimum Data Width
3T+10
ns
tPD
Output Delay
2T+20
ns
tDF
Output Disable Time
2T+20
ns
Note:
1. T means system clock cycle. T=1/
fsys_clk
CS
SCLK
SDI
SDO
tCSH
tCSS
High Impedance
tCSD
tCLH
tCLL
tDIS tDIH
tPD
tDF
Valid Input
Valid Output
tCLD
tDW
tCYC
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