tm1300 NXP Semiconductors, tm1300 Datasheet - Page 183

• Manufacturer Part Number: tm1300
• Description: Tm-1300 Media Processor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
details a 32-MB memory system. Removing the device
controlled by MM_CS#[1] makes a 16-MB system. 64-
Figure 12-6. 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[1]
MM_CS#[1]
MM_CLK[0]
MM_CS#[0]
MM_CLK[0]
MM_CS#[0]
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]
TM1300
4 1M 16
4 1M 16
4 1M 16
4 1M 16
SDRAM
SDRAM
SDRAM
SDRAM
Mbit SDRAMS organized in x32 can be used to build an
8-, 16-, 24-, or 32-MB memory system.
PRODUCT 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_DQ[31:16]
MM_DQM[3:2]
MM_DQ[15:0]
MM_DQM[1:0]
MM_DQM[3:2]
MM_DQM[1:0]
MM_DQ[15:0]
SDRAM Memory System
Figure 12-7
12-9