PNX1702EH/G,557 NXP Semiconductors, PNX1702EH/G,557 Datasheet - Page 340

• Manufacturer Part Number: PNX1702EH/G,557
• Description: IC MEDIA PROC 500MHZ 456-BGA
• Manufacturer: NXP Semiconductors

Specifications of PNX1702EH/G,557

• Applications: Multimedia
• Core Processor: TriMedia
• Controller Series: Nexperia
• Ram Size: 208K x 8
• Interface: I²C, 2-Wire Serial
• Number Of I /o: 61
• Voltage - Supply: 1.33 V ~ 1.47 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 456-HBGA
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Program Memory Type: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 935281647557; PNX1702EH/G; PNX1702EH/G

Philips Semiconductors
Volume 1 of 1
5. Register Descriptions
PNX17XX_SER_1
Preliminary data sheet
Figure 15:
Figure 16:
command
command
address
address
clk_n
clk_n
bank
bank
Trcd_rd
Trcd_wr
dqs
dqs
clk
clk
dq
dq
Timing Parameter
4.6 Trcd_rd Timing Parameter
4.7 Trcd_wr Timing Parameter
Timing Parameter
Trcd_wr = 2
Trcd_wr = 2
Act
Act
n
n
Figure 15
Figure 16
The DDR SDRAM Controller contains a number of MMIO registers that are used to:
•
•
•
•
Trcd_rd = 4
set generic control and read generic status information
set dimensions of the DDR memories
set timing characteristics of the DDR memories
set arbitration parameters
Write
n
shows a Trcd_rd of 4 cycles.
shows a Trcd_wr of 2 cycles.3.2 Asynchronous Reset Synchronization
Rev. 1 — 17 March 2006
Read
n
Tcas = 2.5
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Chapter 9: DDR Controller
PNX17xx Series
9-23