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MPC8540 Datasheet(PDF) 553 Page - Freescale Semiconductor, Inc

Part # MPC8540
Description  MPC8540 PowerQUICC III??Integrated Host Processor Reference Manual
PDF  1302 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8540 Datasheet(HTML) 553 Page - Freescale Semiconductor, Inc

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Functional Description
MPC8540 PowerQUICC III Integrated Host Processor Reference Manual, Rev. 1
Freescale Semiconductor
13-49
Figure 13-30. GPCM Read Followed by Read (TRLX = 0, EHTR = 0, Fastest Timing)
Figure 13-31. GPCM Read Followed by Write (TRLX = 0, EHTR = 1, 1-Cycle Extended
Hold Time on Reads)
13.4.2.3
External Access Termination (LGTA)
External access termination is supported by the GPCM using the asynchronous LGTA input
signal, which is synchronized and sampled internally by the local bus. If, during assertion of LCSn,
LCLK
LAD
LALE
LCSn
LBCTL
Address 1
A
Latched Address 1
TA
LOE
Read Data 1
Address 2
Data 2
Latched Address 2
LCSy
Bus turnaround
LCLK
LAD
LALE
LCSn
LBCTL
Rd. Address
A
Latched Read Address
TA
LOE
Wr. Address
Wr. Address
LCSy
Extended hold
Bus turnaround
Wr. Data
Read Data



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