SPEAR300 datasheet(34/83 Pages) STMICROELECTRONICS

tên linh kiện	SPEAR300

Giải thích chi tiết về linh kiện	Embedded MPU with ARM926 core, flexible memory support, powerful connectivity features and human machine interface

PDF	83 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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34 / 83 page

Pin description

SPEAr300

34/83

Doc ID 16324 Rev 2

DDR

DDR_CS_0

Output

Chip Select

SSTL_2/SSTL_18

DDR_CS_1

DDR_ODT_0

I/O

On-Die

Termination

Enable lines

DDR_ODT_1

DDR_DATA_0

P11

I/O

Data Lines

(Lower byte)

DDR_DATA_1

R11

DDR_DATA_2

T11

DDR_DATA_3

U11

DDR_DATA_4

T12

DDR_DATA_5

R12

DDR_DATA_6

P12

DDR_DATA_7

P13

DDR_DQS_0

U10

Output

Lower Data

Strobe

Differential

SSTL_2/SSTL_18

DDR_nDQS_0

T10

DDR_DM_0

U12

Output

Lower Data Mask

SSTL_2/SSTL_18

DDR_GATE_0

R10

I/O

Lower Gate Open

DDR_DATA_8

T17

I/O

Data Lines

(Upper byte)

DDR_DATA_9

T16

DDR_DATA_10

U17

DDR_DATA_11

U16

DDR_DATA_12

U14

DDR_DATA_13

U13

DDR_DATA_14

T13

DDR_DATA_15

R13

DDR_DQS_1

U15

I/O

Upper Data

Strobe

Differential

SSTL_2/SSTL_18

DDR_nDQS_1

T15

DDR_DM_1

T14

I/O

Upper Data Mask

SSTL_2/SSTL_18

DDR_GATE_1

R14

Upper Gate Open

DDR_VREF

P10

Input

Reference Voltage

Analog

DDR_MEM_COM

P_GND

Power

Return for Ext.

Resistors

Power

DDR_MEM_COM

P_REXT

Power

Ext. Resistor

Analog

DDR2_EN

J13

Input

Configuration

TTL Input Buffer

3.3 V Tolerant, PU

Table 8.

DDR pin description (continued)

Group

Signal name

Ball

Direction

Function

Pin type

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