SPEAR300-2 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
SPEAR300-2
STMicroelectronics
'SPEAR300-2' PDF : 83 Pages View PDF
Pin description
SPEAr300
Table 8. DDR pin description (continued)
Group
Signal name
Ball
Direction
Function
Pin type
DDR_CS_0
P9
DDR_CS_1
R9
Output
Chip Select
DDR_ODT_0
T3
I/O
DDR_ODT_1
T4
DDR_DATA_0
P11
On-Die
Termination
Enable lines
DDR_DATA_1
R11
DDR_DATA_2
T11
SSTL_2/SSTL_18
DDR_DATA_3
U11
Data Lines
I/O
DDR_DATA_4
T12
(Lower byte)
DDR_DATA_5
R12
DDR_DATA_6
P12
DDR_DATA_7
P13
DDR_DQS_0
U10
DDR_nDQS_0
T10
Output
Lower Data
Strobe
Differential
SSTL_2/SSTL_18
DDR_DM_0
U12
Output Lower Data Mask
DDR_GATE_0
R10
I/O
Lower Gate Open
DDR
DDR_DATA_8
T17
DDR_DATA_9
T16
DDR_DATA_10 U17
SSTL_2/SSTL_18
DDR_DATA_11 U16
Data Lines
I/O
DDR_DATA_12 U14
(Upper byte)
DDR_DATA_13 U13
DDR_DATA_14
T13
DDR_DATA_15 R13
DDR_DQS_1
U15
I/O
DDR_nDQS_1
T15
Upper Data
Strobe
Differential
SSTL_2/SSTL_18
DDR_DM_1
T14
DDR_GATE_1
R14
Upper Data Mask
I/O
SSTL_2/SSTL_18
Upper Gate Open
DDR_VREF
P10
Input Reference Voltage
Analog
DDR_MEM_COM
P_GND
R4
Power
Return for Ext.
Resistors
Power
DDR_MEM_COM
P_REXT
P4
DDR2_EN
J13
Power
Input
Ext. Resistor
Analog
Configuration
TTL Input Buffer
3.3 V Tolerant, PU
34/83
Doc ID 16324 Rev 2
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