MPC8260 UPM Timing Diagram, Rev. 2

6

Freescale Semiconductor

UPM Timings

2

UPM Timings

Figure 1 shows a 32-bit single beat read/write on a 32-bit port.

Figure 1. 32-Bit Single Beat Read/Write on 32-Bit Port

CLKIN

ADDR

DATA

TS

AACK

ABB

DBB

ALE

PSDVAL

D0

CS

PGPLx

BS

TA

addr

Notes:

00: 08ea a800

03: 00a0 0000

01: 00a0 0000

04: 00a0 0000

02: 00a0 0000

05: 01b5 5405

For a read, the starting-point depends on the RAM pattern and the memory UPM controls.