BTS54040-LBF_15 Datasheet, PDF (56/67 Pages) Infineon Technologies AG – SPI Power Controller

BTS54040-LBF
Serial Peripheral Interface (SPI)
Table 13 SPI Command Summary
Requested Operation
Frame sent to SPOC+ (SI pin)
Write OUT register
Read OUT register
Write Configuration register
Read Configuration register
100aaaaa_B
where:
“aaaaa_B” = new OUT register content
00xx0000_B
(“xx_B” = don't care)
11aabbbb_B
where:
“aa_B” = register address
“bbbb_B” = new register content
01aa0000_B
where:
“aa_B” = register address
Read Standard Diagnosis
Read Errors Diagnosis
Read Warnings Diagnosis
0xxx0001_B
(“xxx_B” = don't care)
0xxx0011_B
(“xxx_B” = don't care)
0xxx0101_B
(“xxx_B” = don't care)
Frame received from SPOC+ (SO pin)
with the next command
0aaaaaaa_B
(Standard Diagnosis)
10aaaaaa_B
(“aaaaaa_B” = OUT register content)
0aaaaaaa_B
(Standard Diagnosis)
11aabbbb_B
where:
“aa_B” = register address
“bbbb_B” = register content
0aaaaaaa_B
(Standard Diagnosis)
00aaaaaa_B
(Error Diagnosis)
00aaaaaa_B
(Warning Diagnosis)
Data Sheet
56
Rev. 2.1, 2014-12-05