Table 2-4, Table 2-5, Figure 2-14 – SMC Networks ARM PL241 User Manual

Page 49: Asynchronous read -29, Figure 2-15, Asynchronous read in multiplexed-mode -29

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Functional Overview

ARM DDI 0389B

Copyright © 2006 ARM Limited. All rights reserved.

2-29

Figure 2-14 Asynchronous read

Asynchronous read in multiplexed-mode

Table 2-4 and Table 2-5 list the smc_opmode0_<0-3> and SRAM Register settings.

Figure 2-15 shows a single asynchronous read transfer in multiplexed-SRAM mode,
with t

RC

= 7, and t

CEOE

= 5.

Figure 2-15 Asynchronous read in multiplexed-mode

VPFBPFON

VPFBFVBQB>@

VPFBRHBQB

VPFBDGGB>@

VPFBGDWDBLQB>@

UHDGBGDWD

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Table 2-4 Asynchronous read in multiplexed-mode opmode chip register settings

Field

mw

rd_sync

rd_bl

wr_sync

wr_bl

baa

adv

bls

ba

Value

-

b0

b000

-

-

-

b1

-

-

Table 2-5 Asynchronous read in multiplexed-mode SRAM cycles register settings

Field

t_rc

t_wc

t_ceoe

t_wp

t_pc

t_tr

Value

b0111

-

b101

-

-

-

VPFBPFON

UHDGBGDWD

VPFBFVBQB

VPFBRHBQB

VPFBDGYBQB

VPFBGDWDBHQB

VPFBGDWDBRXWB

W

&(2(



W

5&



$

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