Interface between MAX1403 and 8051 microcontroller

Single chip microcomputer STM32L151CCU6

1206RGB (single)

Probe domestic double-head probe 038-BU-6.3L needle head shape is pointed and clawed

KT2520K26000DCW28QAS import spot

Another interface circuit for the MAX1403 is shown. It can be seen from the figure that the interface circuit consumes less I/O ports and the circuit is more compact. All I/O pins of the microcontroller can be interfaced with the MAX1403. If a bidirectional open-drain I/O pin is active, DOUT can be tied to DIN to further reduce the number of interface pins. To use the MAX1403 three-wire interface, the CS pin in the figure must be grounded.