HP B6L65AV Arkusz Danych Pobierz pdf (Strona 86)

Signal Description

86 Datasheet, Volume 1

6.1 System Memory Interface Signals

Table 6-2. Memory Channel A Signals

Signal Name Description

Direction/

Buffer Type

SA_BS[2:0]

Bank Select: These signals define which banks are selected within

each SDRAM rank.

DDR3

SA_WE#

Write Enable Control Signal: This signal is used with SA_RAS# and

SA_CAS# (along with SA_CS#) to define the SDRAM Commands.

DDR3

SA_RAS#

RAS Control Signal: This signal is used with SA_CAS# and SA_WE#

(along with SA_CS#) to define the SRAM Commands.

DDR3

SA_CAS#

CAS Control Signal: This signal is used with SA_RAS# and SA_WE#

(along with SA_CS#) to define the SRAM Commands.

DDR3

SA_DQS[7:0]

SA_DQS#[7:0]

Data Strobes: SA_DQS[7:0] and its complement signal group make

up a differential strobe pair. The data is captured at the crossing point

of SA_DQS[7:0] and its SA_DQS#[7:0] during read and write

transactions.

I/O

DDR3

SA_DQ[63:0]

Data Bus: Channel A data signal interface to the SDRAM data bus. I/O

DDR3

SA_MA[15:0]

Memory Address: These signals are used to provide the multiplexed

row and column address to the SDRAM.

DDR3

SA_CK[3:0]

SDRAM Differential Clock: Channel A SDRAM Differential clock signal

pair. The crossing of the positive edge of SA_CK and the negative edge

of its complement SA_CK# are used to sample the command and

control signals on the SDRAM.

Signals 3:2 are used only for 2 DPC system.

DDR3

SA_CK#[3:0]

SDRAM Inverted Differential Clock: Channel A SDRAM Differential

clock signal-pair complement.

Signals 3:2 are used only for 2 DPC system.

DDR3

SA_CKE[3:0]

Clock Enable: (1 per rank) These signals are used to:

• Initialize the SDRAMs during power-up.

• Power-down SDRAM ranks.

• Place all SDRAM ranks into and out of self-refresh during STR.

• Signals 3:2 are used only for 2 DPC system.

DDR3

SA_CS#[3:0]

Chip Select: (1 per rank). These signals are used to select particular

SDRAM components during the active state. There is one Chip Select

for each SDRAM rank.

Signals 3:2 are used only for 2 DPC system.

DDR3

SA_ODT[3:0]

On Die Termination: Active Termination Control.

Signals 3:2 are used only for 2 DPC system.

DDR3

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 171 172

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Philips AZ105B/12 Manual de usuario (12 paginas)

Marca: Philips | Categoria: CD players | Tamaño: 2.52 MB |

Tabla de contenidos

User Manual

Contents

1 Important

2 Your CD

Soundmachine

Overview of the main unit

3 Get started

AC~MAINS

Control play

Enhance bass

Program tracks

5 Product

6 Troubleshooting

7 Notice

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