TLE7232G Datasheet, PDF (31/36 Pages) Infineon Technologies AG – SPI Driver for Enhanced Relay Control

SPI Driver for Enhanced Relay Control
SPIDER - TLE 7232G
Serial Peripheral Interface (SPI)
SO
Standard Diagnosis
15 14 13 12 11 10 9 8
CH7
CH6
CH5
CH4
76
CH3
Reset Value: xxxx_H
543210
CH2
CH1
CH0
Field
CHn
(n = 7-0)
Bits
(2n+1):
2n
Type Description
Standard Diagnosis for Channel n
00 Short circuit to GND
01 Open load
10 Over load, over temperature
11 Normal operation
SO
Second Frame of Read Command
Reset Value: xxxx_H
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
01000
ADDR
DATA
Field
ADDR
DATA
Bits Type Description
10:8
Address
Pointer to register for read and write command
7:0
Data
Data written to or read from register selected by address
ADDR
Note: Reading a register needs two SPI frames. In the first frame the RD command is
sent. In the second frame the output at SPI signal SO will contain the requested
information. A new command can be executed in the second frame.
Data Sheet
31
V1.0, 2005-09-30