wms7131 ETC-unknow, wms7131 Datasheet - Page 3

• Manufacturer Part Number: wms7131
• Description: Nonvolatile Digital Potentiometers
• Manufacturer: ETC-unknow

3. BLOCK DIAGRAM
V
V
U/D
U/D
INC
INC
CS
CS
SS
SS
NV Memory
NV Memory
Up/Down
Up/Down
Interface
Interface
FIGURE 1 – WMS7130 BLOCK DIAGRAM (Rheostat Mode)
Control
Control
Serial
Serial
FIGURE 2 – WMS7131 BLOCK DIAGRAM (Divider Mode)
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NV Memory
NV Memory
NVMEM0
NVMEM0
Publication Release Date: April 21, 2005
WMS7130/1
Revision 1.1
V
V
V
V
V
V
V
V
W
W
DD
DD
B
B
A
A