External Bus Interface (EBI)
MPC5566 Microcontroller Reference Manual, Rev. 2
12-32 Freescale Semiconductor
12.4.2.4.2 Single-Beat Write Flow
The handshakes for a single beat write cycle are illustrated in the following flow and timing diagrams.
Figure 12-13. Basic Flow Diagram of a Single-Beat Write Cycle
Ye s
No
Receives address
Asserts transfer start (TS)
drives address and attributes
Master
Receives data
CS access
?
Asserts transfer
acknowledge (TA)
Asserts transfer
acknowledge (TA)
Waits 1 clock
Slave
stops driving data
Drives data