TLE7237SL Datasheet, PDF (29/36 Pages) Infineon Technologies AG – SPI Driver for Enhanced Relay Control

SPI Driver for Enhanced Relay Control
TLE7237SL
Serial Peripheral Interface (SPI)
Field
Bits
TER
RB
0
ADDR
6:4
DATA
3:0
Standard Diagnosis:
Field
Bits
AWK
5
Type
Description
Transmission Error
0 Previous transmission was successful (modulo 8 clocks
received)
1 Previous transmission failed or first transmission after reset
Register Bank
0 CONTR Control Register Bank
1 DIAG Diagnosis Register Bank (read only)
Address
Pointer to register for read and write command
Data
Data written to or read from register selected by address ADDR
Type
Description
Awake, Device active
Dxy
3, 2, 1, 0
OL
?
Failure mode alert of channel x and y (Overtemp, Overload)
common open load flag for all channels
9.4
Register Overview
Control Register Bank
Name
Addr
3
2
1
0
ICR01
000_B
INX1
INX0
ICR23
001_B
INX3
INX2
ICR45
010_B
INX5
INX4
ICR67
011_B
INX7
INX6
DCCR0
100_B
DCEN3
DCEN2
DCEN1
DCEN0
DCCR1
CMD
101_B
110_B
DCEN7
WAKE
DCEN6
STB
DCEN5
RST
DCEN4
CPL²⁾
unused
111_B
–
–
–
–
1) The default values are set after V_bb power-on, STB-command and RST-command
All command bits are cleared at the end of transmission, respectively after execution
2) CPL bit needs a valid next SPI communication frame to be cleared
default¹⁾
0_H
0_H
0_H
0_H
0_H
0_H
0_H
0_H
type
r/w
r/w
r/w
r/w
r/w
r/w
w
–
Input word (see Chapter 6.6 for detailed description)
Name
State
1
0
INX0 - INX7
OFF
0
0
IN1
0
1
IN2 or IN3
1
0
ON
1
1
Data Sheet
30
Rev. 1.0, 2010-02-18