Datasheet

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 BMS B LS B
Collective Diagnosis
B it 15 B it8 Bit7 B it 0
0 0 C4.C3C2C1C0
CD7 CD6 CD5 CD4 CD3 CD1 CD0CD2
DR6 DR5 DR4 DR3 DR2 DR1 DR0
C4.C3C2 C1C0
SCLK
SDI
CS
SDO
uc_spi_mode 2.vsd
A6 A5 A4 A3 A2 A1 A0 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 BMS B LS B
Collective Diagnosis
B it15 B it8 B it7 B it0
A6 A5 A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0
Register -Address (R/W)
W
Write=1
Value (Write)
MS B LS BMS 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 CD0CD2
d.c. d.c. d.c. d.c. d.c. d.c. d.c. d.c.