pnx1500 NXP Semiconductors, pnx1500 Datasheet - Page 335

• Manufacturer Part Number: pnx1500
• Description: Pnx15xx Series Connected Media Processor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Volume 1 of 1
PNX15XX_SER_3
Product data sheet
Figure 12: Twr Timing Parameter
Figure 13: Tras Timing Parameter
Figure 14: Trp Timing Parameter
command
command
command
address
address
clk_n
clk_n
clk_n
bank
bank
dqs
clk
clk
clk
dq
4.3 Twr Timing Parameter
4.4 Tras Timing Parameter
4.5 Trp Timing Parameter
Write
Pre
Act
n
n
Figure 12
Figure 13
Figure 14
Trp = 4
Trp = 4
shows a Twr of 1 cycle.
shows a Tras of 8 cycles.
shows a Trp of 4 cycles.
Tras = 8
Tras = 8
Rev. 3 — 17 March 2006
Any
n
Twr = 1
Read
Pre
n
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Chapter 9: DDR Controller
PNX15xx Series
9-22