TLE7233G Datasheet, PDF (26/32 Pages) Infineon Technologies AG – SPI Driver for Enhanced Relay Control

SPI Driver for Enhanced Relay Control
SPIDER - TLE7233G
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
t_{CS (lead)}
SCLK
SI
SO
t_{S O(en)}
t_{S CLK (P )}
t_{S CLK (H)}
t_{S CLK (L)}
t _{S I(s u)}
t_{S I(h)}
t_{S O(v )}
Figure 14 Timing Diagram
t_{CS (lag)}
t_{CS (td)}
0.7V_dd
0.2V
dd
0.7V_dd
0.2V_dd
0.7V_dd
0.2V_dd
t_{S O(dis )}
0.7V_dd
0.2V_dd
SPI Timing.emf
Datasheet
26
Rev. 1.0, 2008-02-28