TLE7233EM Datasheet, PDF (27/33 Pages) Infineon Technologies AG – SPI Driver for Enhanced Relay Control

SPI Driver for Enhanced Relay Control
SPIDER - TLE7233EM
Serial Peripheral Interface (SPI)
SO
Reset Value: 100_H
CS¹⁾
7
6
5
4
3
2
1
0
TER
OL3
D3
OL2
D2
OL1
D1
OL0
D0
1) This bit is valid between CS hi -> lo and first SCLK lo -> hi transition.
Field
TER
OLn
(n = 3-0)
Dn
(n = 3-0)
Bits Type Description
CS R Transmission Error
0 Previous transmission was successful (modulo 8 clocks received).
1 Previous transmission failed or first transmission after reset.
7, 5, 3, R
1
Open Load Flag of channel n
0 Normal operation.
1 Open load has occurred in OFF state.
6, 4, 2, R
0
Diagnosis Flag of channel n
0 Normal operation.
1 Over load or over temperature switch off has occurred in ON state.
9.4
Timing Diagrams
CS
SCLK
SI
t CS(lead)
t_{SCLK(P )}
t_{SCLK (H)}
t_{SCLK (L)}
t_{SI (su)}
t _{SI (h)}
SO
t SO(en)
tSO( v )
Figure 14 Timing Diagram
tCS (lag)
tC S( td )
tSO (dis)
0.5VDD
0.2V_DD
0.5VDD
0.2V_DD
0.5VDD
0.2VDD
0.5VDD
0.2V_DD
Data Sheet
27
Rev. 1.2, 2014-05-09