AMIS-30521 Datasheet, PDF (18/26 Pages) AMI SEMICONDUCTOR – Micro-stepping Motor Driver

AMIS-30521 Micro-stepping Motor Driver
CSB
Master
305xx
Status Registers are updated
Status
R Read
Last
AdDdata
Status
R Read
Status
StatusA
Status
R Read
Status
StatusA
Status
R Read
Status
StatusB
Figure 16: Example SPI Transfer
The last case illustrates data polling from several registers of the SPI register bank:
CSB
M aster
305xx
A d d rA
Read
A d d rB
Read
A d d rC
Read
Last Addr
D ata
A d d rA
D ata
A
A d d rB
D ata
B
Figure 17: Example SPI Transfer
Data Sheet
AMI Semiconductor – June 2007, M-20683-001
18
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