AN2511 datasheet(33/43 Pages) STMICROELECTRONICS

33 / 43 page

AN2511

Using the demonstration board

Doc ID 13286 Rev 2

33/43

For example, to enter a date as “15 -12-1991”, then data should be entered as

313531323931 (where 31h=ASCII ”1”, 35h=ASCII “5”, etc., and the date will read “151291”).

An example of this operation is shown below.

Figure 19.

Write mode operation example

When reading back the date written using single read commands, the following message is

displayed:

Figure 20.

Read operation to check data writing

6.1.8

Group command

The user can press 3 to select group command mode. In this demonstration board, the user

can write multiple commands for multiple slave addresses.

After Figure 21 appears, the user can enter any command code and data with reference to

Section 3.1: PMBus commands to write byte/ word/ block of data. The user can enter 5

commands and data for the group command. If the user wants to write less than 5

commands, the user can press * to terminate the group command operation.

AN2511 Datasheet(PDF) 33 Page - STMicroelectronics