MCP4132 Microchip Technology Inc., MCP4132 Datasheet - Page 34
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MCP4132
Manufacturer Part Number
MCP4132
Description
7/8-bit Single/dual Spi Digital Pot With Volatile Memory
Manufacturer
Microchip Technology Inc.
Datasheet
1.MCP4132.pdf
(82 pages)
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MCP413X/415X/423X/425X
4.2.1.1
This register contains 5 status bits. These bits show the
state of the Shutdown bit. The STATUS register can be
accessed via the READ commands.
describes each STATUS register bit.
REGISTER 4-1:
DS22060A-page 34
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 8-5
bit 4-2
bit 1
bit 0
R-1
Status (STATUS) Register
D8:D5: Reserved. Forced to “1”
RESV: Reserved
SHDN: Hardware Shutdown pin Status bit (Refer to Section 5.3 “Shutdown” for further information)
This bit indicates if the Hardware shutdown pin (SHDN) is low. A hardware shutdown disconnects the
Terminal A and forces the wiper (Terminal W) to Terminal B (see
ware Shutdown (the SHDN pin is low) the serial interface is operational so the STATUS register may be
read.
1 = MCP4XXX is in the Hardware Shutdown state
0 = MCP4XXX is NOT in the Hardware Shutdown state
RESV: Reserved
R-1
STATUS REGISTER
D8:D5
W = Writable bit
‘1’ = Bit is set
R-1
Register 4-1
R-1
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
RESV
R-0
The STATUS register is placed at Address 05h.
RESV
R-x
Figure
x = Bit is unknown
RESV
R-x
5-2). While the device is in Hard-
© 2007 Microchip Technology Inc.
SHDN
R-x
RESV
R-x
bit 0