beautypg.com

Echelon FTXL Hardware User Manual

Page 42

background image

34

FTXL Transceiver Hardware Interface

Read

Handshake

(Ready)

Write Data (0x12)

Read Handshake

(Busy)

Read Handshake

(Ready)

Write Data

(0x00)

Figure 14. Timing Diagram for Writing the First Two Bytes of Data

Figure 15 shows a detailed timing diagram for writing the remaining bytes of the
data for the service-pin message.

Write Data (0x12) Write Data (0x00)

Write Remaining Data:

(30, 00 80 00 7f 04 d1 cd d3 01 00 9f ff ff 06 00 0a 04 11)

Busy

Ready

Figure 15. Timing Diagram for Writing Remaining Data

Figure 16 on page 35 shows an overview timing diagram for writing all of the
data bytes for the service-pin message, including the last byte.