PNX1301 PHILIPS [NXP Semiconductors], PNX1301 Datasheet - Page 193

• Manufacturer Part Number: PNX1301
• Description: Media Processors
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
64-Mbit SDRAMs organized in x16 can be used to build
a 16-, 32-, 48- or 64-MB memory systems.
Figure 12-7. Schematic of a 32-MB memory system consisting of four 4 1M 16 SDRAM chips (two ranks)
MM_CLK[1]
MM_CS#[1]
MM_CLK[0]
MM_CS#[1]
MM_CLK[1]
MM_CS#[0]
MM_CLK[0]
MM_CS#[0]
Figure 12-7
CLK
Control
CS#
CLK
Control
CS#
CLK
Control
CS#
CLK
Control
CS#
Address[11:0]
Address[11:0]
Address[11:0]
Address[11:0]
BA[1:0]
BA[1:0]
BA[1:0]
BA[1:0]
PNX1300
4 1M 16
4 1M 16
4 1M 16
4 1M 16
SDRAM
SDRAM
SDRAM
SDRAM
details a 32-MB memory system. Removing the device
controlled by MM_CS#[1] makes a 16-MB system.
PRELIMINARY SPECIFICATION
DQM[1:0]
DQM[1:0]
DQM[1:0]
DQM[1:0]
DQ[15:0]
DQ[15:0]
DQ[15:0]
DQ[15:0]
MM_DQ[31:16]
MM_DQM[3:2]
MM_DQM[1:0]
MM_DQ[31:16]
MM_DQ[15:0]
MM_DQM[3:2]
MM_DQM[1:0]
MM_DQ[15:0]
SDRAM Memory System
12-11