Datasheet
Table Of Contents
- Table of Contents
- List of Figures
- List of Tables
- 1. Introduction
- 2. Pin Connections
- 3. Specifications
- 4. RF Front End Interface
- 5. Power Distribution
- 6. Clocking
- 7. Detection Engine - Modems
- 8. Digital Interface and Control
- 9. Application Programming Interface
- 10. Application Information
- 11. Packaging Information
- Glossary
SX1302
Datasheet Rev 1.0
DS.SX1302.W.APP June 2019
22 of 31
www.semtech.com
8.1.2 SPI Timings
All timings are given in next table for Max load cap of 10 pF.
Table 8-1: SPI Timing Requirements
Symbol Description Minimum Typical Maximum Unit
Timing constraints in SPI inputs
t
SPI,SCK
SCK period 100 ns
t
SPI,SCKH
SCK high duration 40 ns
t
SPI,SCKL
SCK low duration 40 ns
t
SPI,SCKR
SCK rise time (10% VCC_IO ->90% VCC_IO) 0 2.5 ns
t
SPI,SCKF
SCK fall time (90% VCC_IO ->10% VCC_IO) 0 2.5 ns
t
SPI,DELAY
SCK lead time 40 ns
t
SPI,QUIET
SCK trail time 40 ns
t
SPI,CSH
Time between two successive CSN chip
select
250 ns
t
SPI,CSR
CSN rise time (10% VCC_IO ->90% VCC_IO) 0 2.5 ns
t
SPI,CSF
CSN fall time (90% VCC_IO ->10% VCC_IO) 0 2.5 ns
t
SPI,SETUP
Data in setup time 5 ns
t
SPI,HOLD
Data in hold time 5 ns
SPI output timing specification
t
SPI,DOEN
SPI output enable time 0 10 ns
t
SPI,DODIS
SPI output disable time 0 10 ns
t
SPI,DOV
SCK out falling edge to MISO delay 15 ns