SPEAR320 datasheet(31/73 Pages) STMICROELECTRONICS

Part #	SPEAR320

Description	Embedded MPU with ARM926 core, optimized for factory automation and consumer applications

PDF	73 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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31 / 73 page

SPEAr320

Pin description

Doc ID 16755 Rev 5

31/73

DDR_MEM_DQ_0

P11

I/O

Data Lines

(Lower byte)

SSTL_2/ SSTL_18

DDR_MEM_DQ_1

R11

DDR_MEM_DQ_2

T11

DDR_MEM_DQ_3

U11

DDR_MEM_DQ_4

T12

DDR_MEM_DQ_5

R12

DDR_MEM_DQ_6

P12

DDR_MEM_DQ_7

P13

DDR_MEM__DQS_0

U10

Out

Lower Data Strobe

Differential SSTL_2/

SSTL_18

nDDR_MEM_DQS_0

T10

DDR_MEM_DM_0

U12

Out

Lower Data Mask

SSTL_2/ SSTL_18

DDR_MEM_GATE_OPEN_0

R10

I/O

Lower Gate Open

DDR_MEM_DQ_8

T17

I/O

Data Lines

(Upper byte)

DDR_MEM_DQ_9

T16

DDR_MEM_DQ_10

U17

DDR_MEM_DQ_11

U16

DDR_MEM_DQ_12

U14

DDR_MEM_DQ_13

U13

DDR_MEM_DQ_14

T13

DDR_MEM_DQ_15

R13

DDR_MEM_DQS_1

U15

I/O

Upper Data Strobe

Differential SSTL_2/

SSTL_18

nDDR_MEM_DQS_1

T15

DDR_MEM_DM_1

T14

I/O

Upper Data Mask

SSTL_2/ SSTL_18

DDR_MEM_GATE_OPEN_1

R14

Upper Gate Open

DDR_MEM_VREF

P10

Reference Voltage

Analog

DDR_MEM_COMP2V5_GNDB

GCOMP

Power

Return for Ext.

Resistors

Power

DDR_MEM_COMP2V5_REXT

Power

Ext. Resistor

Analog

DDR2_EN

J13

Configuration

TTL Input Buffer

3.3 V Tolerant, PU

Table 9.

DDR pin description (continued)

Signal name

Ball

Direction

Function

Pin type

SPEAR320 Datasheet(PDF) 31 Page - STMicroelectronics

SPEAR320 Datasheet(HTML) 31 Page - STMicroelectronics

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