MCP4132 Microchip Technology Inc., MCP4132 Datasheet - Page 77

• Manufacturer Part Number: MCP4132
• Description: 7/8-bit Single/dual Spi Digital Pot With Volatile Memory
• Manufacturer: Microchip Technology Inc.

APPENDIX A:
Revision A (September 2007)
• Original Release of this Document.
© 2007 Microchip Technology Inc.
REVISION HISTORY
MCP413X/415X/423X/425X
APPENDIX B:
This is intended to give an overview of some of the
differences to be aware of when migrating from the
MCP41XXX and MCP42XXX devices.
B.1
Here are some of the differences to be aware of:
1.
2.
3.
4.
5.
6.
7.
8.
9.
B.2
Here are some of the differences to be aware of:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Interface signals now have internal pull-up
SI pin is now SDI/SDO pin, and the contents of
the device memory can be read.
Need to address the Terminal Connect Feature
(TCON register) of MCP41XX.
MCP41XX supports software Shutdown mode.
New 5 kΩ version.
MCP41XX have 7-bit resolution options.
Alternate
configuration).
Verify device’s electrical specifications.
Interface signals are now high voltage tolerant.
Interface signals now have internal pull-up
resistors.
Daisy chaining of devices is no longer
supported.
SDO pin allows contents of device memory to be
read.
Need to address the Terminal Connect Feature
(TCON register) of MCP42XX.
MCP42XX supports software Shutdown mode.
New 5 kΩ version.
MCP42XX have 7-bit resolution options.
Alternate package/pinout versions (for Rheostat
configuration).
Verify device’s electrical specifications.
Interface signals are now high voltage tolerant
resistors.
MCP41XXX to MCP41XX
Differences
MCP42XXX to MCP42XX
Differences
pinout
MIGRATING FROM
THE MCP41XXX AND
MCP42XXX DEVICES
versions
DS22060A-page 77
(for
Rheostat