AMIS-30521 AMI Semiconductor, Inc., AMIS-30521 Datasheet - Page 18

• Manufacturer Part Number: AMIS-30521
• Description: Micro-stepping Motor Driver
• Manufacturer: AMI Semiconductor, Inc.

AMIS-30521 Micro-stepping Motor Driver
The last case illustrates data polling from several registers of the SPI register bank:
AMI Semiconductor – June 2007, M-20683-001
www.amis.com
M a s te r
Master
3 0 5 x x
C S B
CSB
305xx
L a s t A d d r
Status
R
Last
Add
A d d r A
R e a d
Read
D a ta
Data
Figure 16: Example SPI Transfer
Figure 17: Example SPI Transfer
Status Registers are updated
Status
R
Status
A d d r A
StatusA
A d d r B
D a ta
A
Read
R e a d
18
A d d r C
A d d r B
D a ta
B
R e a d
Status
R
Status
StatusA
Read
Status
R
Status
StatusB
Read
Data Sheet