ST2100 datasheet(22/39 Pages) STMICROELECTRONICS

номер детали	ST2100

подробное описание детали	Broadband powerline communication SoC optimized

PDF	39 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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22 / 39 page

Pin descriptions

ST2100

22/39

DocID025777 Rev 1

DDR_CS_0

C13

Out

Chip select

Compatible with DDRI (SSTL2) and

DDRII (SSTL18)

DDR_CS_1

C14

DDR_ODT_1

I/O

On-die termination

enable lines

DDR_ODT_0

DDR_DATA_0

D15

I/O

Data lines (lower byte)

DDR_DATA_1

C15

DDR_DATA_2

D16

DDR_DATA_3

C16

DDR_DATA_4

C18

DDR_DATA_5

D18

DDR_DATA_6

C17

DDR_DATA_7

D17

DDR_DQS_0

A15

Out

Lower data strobe

Differential

Compatible with DDRI (SSTL2) and

DDRII (SSTL18)

DDR_NDQS_0

A16

DDR_DM_0

B15

Out

Lower data mask

Compatible with DDRI (SSTL2) and

DDRII (SSTL18)

DDR_GATE_0

A17

I/O

Lower gate open

DDR_DATA_8

C21

I/O

Data lines (upper byte)

DDR_DATA_9

B21

DDR_DATA_10

C20

DDR_DATA_11

B20

DDR_DATA_12

D19

DDR_DATA_13

C19

DDR_DATA_14

B19

DDR_DATA_15

B18

DDR_DQS_1

A18

Out

Upper data strobe

Differential

Compatible with DDRI (SSTL2) and

DDRII (SSTL18)

DDR_NDQS_1

A19

DDR_DM_1

B16

Out

Upper data mask

Compatible with DDRI (SSTL2) and

DDRII (SSTL18)

DDR_GATE_1

B17

I/O

Upper gate open

VREF_DDR

D13

Reference voltage

Analog 1.8 V

DDR2_EN

Configuration

TTL input buffer, 3.3 V tolerant, with PU

COMP_1V8_ANAREXT

Power

External resistor for

1.8 V I/Os compensation

Analog 1.8 V capable

COMP_1V8_GNDBGCOMP

Power

Return for external

resistor for 1.8 V I/Os

compensation

Power

Table 15. DDR pin descriptions (continued)

Signal name

Ball Direction

Function

Pin type

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