RM0082
Pin description
Doc ID 018672 Rev 1
DDR
DDR_CS_0
P9
Output
Chip Select
SSTL_2/SSTL_18
DDR_CS_1
R9
DDR_ODT_0
T3
I/O
On-Die
Termination
Enable lines
DDR_ODT_1
T4
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
R4
Power
Return for Ext.
Resistors
Power
DDR_MEM_COM
P_REXT
P4
Power
Ext. Resistor
Analog
DDR2_EN
J13
Input
Configuration
TTL Input Buffer
3.3 V Tolerant, PU
Table 9.
DDR pin description (continued)
Group
Signal name
Ball
Direction
Function
Pin type