- 51 -
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. Technical Brief
BL20
20/53
̰
SDRAM
-16-bit low-power DDR SDRAM
-Minimum size per chip-select: 16 MB (128 Mbit)
-Maximum size per chip-select: 128 MB (1 Gbit, 1 k columns only)
Characteristics of the EBI1 clock are listed below:
-Maximum clock rate is 92 MHz, defined by the AMSS software.
-The EBI1 memory controller clock is synchronous to the bus clock (HCLK).
EBI2 Features
EBI2 is used to interface with slower memory and peripheral devices (NAND flash, burst NOR, LCDs, etc.). The following
EBI2 devices are supported:
̰
NAND flash
-8/16 bit, single-level cell (SLC)/multi-level cell (MLC) 512/2048-byte page devices
-DMA support
-Boot-up capability from the above devices
̰
Burst NOR flash
-16-bit multiplexed AAD burst NOR devices
̰
8/16/18-bit (write only) LCD devices (both Motorola and Intel style)
Characteristics of the EBI2 clock are listed below:
̰
The maximum clock rate is 46 MHz, defined by the AMSS software.
̰
The EBI2 memory controller operates at HCLK/2.
̰
Broadcasting and multicasting (QSC6270 only, with MBP1600 IC) are based on:
-Wideband MediaFLO™, DBV-H, and ISDB-T
Asynchronous/burst controller (EBI1 and EBI2)
The external memory controller (xmem_ctlr) forms the asynchronous/burst controller for both EBI1 and EBI2 in the
QSC62x0 device. The controller is generic in terms of its software programmable options and can be customized when
used for EBI1 and EBI2. This block has been enhanced in the QSC62x0 device to support 32-bit burst memories and
byte masking during write operations.
1G
Toshiba
TYA000B001BLKF
SDRAM
2G
Toshiba
TYA000B001BLKF
Flash
Memory cell array
Maker
Part Name
Device
Interface Spec
Содержание BL42k
Страница 1: ...Service Manual Model BL42k Internal Use Only Service Manual BL42k Date December 2009 Issue 1 0 ...
Страница 145: ... 146 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 159: ... 160 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 187: ... 188 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...