DRV8809 Datasheet, PDF (14/44 Pages) Texas Instruments – COMBINATION MOTOR DRIVERS WITH DC-DC CONVERTERS

DRV8809
DRV8810
SLVS854A – JULY 2008 – REVISED JULY 2008 ............................................................................................................................................................... www.ti.com
Serial Interface Timing
Data
Bit 0
tsu
th
Bit 1 Bit 14
Bit 15
Clock
twl(clk) twh(clk)
tcs
Strobe
nSleep
tw(strb)
Figure 6. nSLEEP = H: Set Stepper Motor Operating Parameters
Data
Clock
Strobe
nSleep
Bit 0
tsu
th
Bit 1
Bit 15
Bit 16 = L
twl(clk) twh(clk)
tcs
( Don't care )
tss_min
Figure 7. nSLEEP = L (Bit 16 = L): Setup Mode
tw(strb)
Data
Bit 0
tsu
th
Bit 1
Bit 15
Bit 16 = H
Clock
Strobe
nSleep
twl(clk) twh(clk)
( Don't care )
tss_min
tcs
tw(strb)
A. For initial setup, nSLEEP state can be don’t care before the tss_min timing prior to the strobe.
Figure 8. nSLEEP = L (Bit 16 = H): Extended Setup Mode
14
Submit Documentation Feedback
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): DRV8809 DRV8810