WMS7170_05 Datasheet, PDF (3/23 Pages) Winbond – NONVOLATILE DIGITAL POTENTIOMETERS WITH UP/DOWN (3-WIRE) INTERFACE

WMS7170/1
3. BLOCK DIAGRAM
INC
Up/Down
CS
Serial
U/D
Interface
NV Memory
VSS
Control
VA
VW
VB
NV Memory
NVMEM0
VDD
FIGURE 1 – WMS7170 BLOCK DIAGRAM (Rheostat Mode)
INC
Up/Down
CS
Serial
U/D
Interface
VA
VW
VB
NV Memory
NV Memory
VSS
Control
NVMEM0
VDD
FIGURE 2 – WMS7171 BLOCK DIAGRAM (Divider Mode)
Publication Release Date: April 21, 2005
-3-
Revision 1.1