List of Figures

PrimeCell AHB SRAM/NOR Memory Controller (PL241) Technical Reference Manual

 

Key to timing diagram conventions

xii

Figure 1-1

AHB MC (PL241) configuration

1-2

Figure 2-1

AHB MC (PL241) configuration

2-2

Figure 2-2

AHB MC (PL241) clock domains

2-3

Figure 2-3

SMC block diagram

2-4

Figure 2-4

SMC SRAM pad interface external connections

2-6

Figure 2-5

Big-endian implementation

2-10

Figure 2-6

AHBC memory map

2-11

Figure 2-7

Request to enter low-power mode

2-13

Figure 2-8

AHB domain denying a low-power request

2-13

Figure 2-9

Accepting requests

2-14

Figure 2-10

SMC aclk domain FSM

2-15

Figure 2-11

Chip configuration registers

2-23

Figure 2-12

Device pin mechanism

2-25

Figure 2-13

Software mechanism

2-26

Figure 2-14

Asynchronous read

2-29

Figure 2-15

Asynchronous read in multiplexed-mode

2-29

Figure 2-16

Asynchronous write

2-30

Figure 2-17

Asynchronous write in multiplexed-mode

2-31

Figure 2-18

Page read

2-32

Figure 2-19

Synchronous burst read

2-33

ARM DDI 0389B

Copyright © 2006 ARM Limited. All rights reserved.

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SMC Networks AHB SRAM/NOR, PL241 manual List of Figures