User manual

MCP42XXEV Evaluation Board User’s Guide
DS51898A-page 30 2010 Microchip Technology Inc.
FIGURE 2-13: MCP4261 Transaction Window – Wiper 0 Writes and Reads.
FIGURE 2-14: MCP4261 Transaction Window – Wiper 0 Decrements.
9-bit data value (03Fh)
9-bit data value (03Fh)
written to
read from
9-bit data value (1FFh)
written to
9-bit data value (1FFh)
read from
Wiper 0 register
Wiper 0 register
Wiper 0 register
Wiper 0 register
Data value (03Ch) read from Wiper 0 register after 3 Decrement Commands
Data value (03Fh) read
from Wiper 0 register