Infineon ISOFACE ISO2H823V2, Manual

Page: 11 / 28

Application Note 11 2015-02-11
Revision 1.0
ISO2H823V2.5 Evaluation Board
Board Manual
Functional Description
Figure 9 SPI Mode 1, MS0 = 1, MS1 = 0, Daisy Chain Supported
Figure 10 SPI Mode 2, MS0 = 0, MS1 = 1
SCLK
SDI
CS
SDO
uc_spi_mode1.vsd
0
Channel-Values (Drive Information )
UV MV CF
DR7
Checksum
Diagnosis / Checksum
MS B LS B MSB LS B
Collective Diagnosis
B it15 B it8 Bit7 B it0
0 0 C4. C3 C2 C1 C0
CD7 CD6 CD5 CD4 CD3 CD1 CD0 CD2
DR6 DR5 DR4 DR3 DR2 DR1 DR0
C4. C3 C2 C1 C0
SCLK
SDI
CS
SDO
uc_spi_mode 2.vsd
A 6 A5 A4 A3 A2 A 1 A 0 d.c.
Register-Address (R/W)
D7 D6 D5 D4 D3 D2 D1 D0
R
Read=0
Value : dont care
Value (Read)
MS B LS B MS B LS B
Collective Diagnosis
B it15 B it8 B it7 B it0
A 6 A5 A4 A3 A2 A 1 A 0 D7 D6 D5 D4 D3 D2 D1 D0
Register-Address (R/W)
W
Write=1
Value (Write)
MS B LS B MS B LS B
Collective Diagnosis
CD7 CD6 CD5 CD4 CD3 CD2 CD1 CD0
B it15 B it8 B it7 B it0
READ
WRITE
SDI
SDO
d.c. d.c. d.c. d.c. d.c. d.c. d. c.
CD7 CD6 CD5 CD4 CD3 CD1 CD0 CD2
d. c. d. c. d.c. d.c. d.c. d.c. d.c. d.c.