AMIS-30522 Datasheet, PDF (20/28 Pages) AMI SEMICONDUCTOR – Micro-stepping Motor Driver

AMIS-30522 Micro-stepping Motor Driver
CSB
Master
305xx
Status Registers are updated
Status
Read
Last
Data
Status
Read
Status
StatusA
Status
Read
Status
StatusA
Status
Read
Status
StatusB
Figure 18: Example SPI Transfer
The last case illustrates data polling from several registers of the SPI register bank:
CSB
M aster
305xx
AddrA
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 19: Example SPI Transfer
Data Sheet
AMI Semiconductor – June 2007, M-20684-001
20
www.amis.com