MCP434X MICROCHIP [Microchip Technology], MCP434X Datasheet - Page 50
MCP434X
Manufacturer Part Number
MCP434X
Description
7/8-Bit Quad SPI Digital POT with Non-Volatile Memory
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP434X.pdf
(80 pages)
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MCP434X/436X
7.4
The device supports the ability to execute commands
continuously. While the CS pin is in the active state (V
or V
received.
The following example is a valid sequence of events:
1.
2.
3.
4.
5.
6.
7.
8.
DS22233A-page 50
IHH
CS pin driven active (V
Read Command.
Increment Command (Wiper 0).
Increment Command (Wiper 0).
Decrement Command (Wiper 1).
Write Command (Volatile memory).
Write Command (Non-Volatile memory).
CS pin driven inactive (V
). Any sequence of valid commands may be
Continuous Commands
IL
IH
or V
).
IHH
).
IL
Note 1: It is recommended that while the CS pin is
2: It is also recommended that long
active, only one type of command should
be issued. When changing commands, it
is recommended to take the CS pin
inactive then force it back to the active
state.
command strings should be broken down
into shorter command strings. This
reduces the probability of noise on the
SCK pin corrupting the desired SPI
command string.
© 2009 Microchip Technology Inc.
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