TLE75602-ESD datasheet(51/70 Pages) INFINEON

51 / 70 page

Datasheet

Rev. 1.0

2017-11-23

TLE75602-ESD

SPIDER+ 12V

Serial Peripheral Interface (SPI)

In single chip configuration, the CSN line must turn “high” to make the device acknowledge the transferred

data. In daisy chain configuration, the data shifted out at device 1 has been shifted in to device 2. When using

three devices in daisy chain, several multiples of 8 bits have to be shifted through the devices (depending on

how many devices with 8 bit SPI and how many with 16 bit SPI). After that, the MCSN line must turn “high” (see

Figure 29).

Figure 29 Data Transfer in Daisy Chain Configuration

10.3

Timing Diagrams

Figure 30 Timing Diagram SPI Access

MCSN

MCLK

SI device 3

SI device 2

SI device 1

SO device 3

SO device 2

SO device 1

SPI_DaisyChain_2.emf

CSN

SCLK

tCSN(lead)

tCSN(td)

tCSN(lag)

SCLK (H)

SCLK (L)

tSCLK(P)

tSI(su)

tSI(h)

tSO(v)

tSO(en)

tSO (dis)

VCSN(H)

SPI _Timings.emf

VCSN(L)

VSCLK(H)

VSCLK(L)

VSI(H)

SI (L)

VSO(H)

VSO(L)

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