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SPRS717H –OCTOBER 2011–REVISED MAY 2015
External Memory Interfaces/DDR Signals Description (continued)
TYPE
SIGNAL NAME [1] DESCRIPTION [2] ZCE BALL [4] ZCZ BALL [4]
[3]
ddr_d5 DDR SDRAM DATA INPUT/OUTPUT I/O T1 N4
ddr_d6 DDR SDRAM DATA INPUT/OUTPUT I/O T2 P3
ddr_d7 DDR SDRAM DATA INPUT/OUTPUT I/O R3 P4
ddr_d8 DDR SDRAM DATA INPUT/OUTPUT I/O K2 J1
ddr_d9 DDR SDRAM DATA INPUT/OUTPUT I/O K1 K1
ddr_dqm0 DDR WRITE ENABLE / DATA MASK FOR O N3 M2
DATA[7:0]
ddr_dqm1 DDR WRITE ENABLE / DATA MASK FOR O K3 J2
DATA[15:8]
ddr_dqs0 DDR DATA STROBE FOR DATA[7:0] I/O R1 P1
(Differential+)
ddr_dqs1 DDR DATA STROBE FOR DATA[15:8] I/O L1 L1
(Differential+)
ddr_dqsn0 DDR DATA STROBE FOR DATA[7:0] I/O R2 P2
(Differential-)
ddr_dqsn1 DDR DATA STROBE FOR DATA[15:8] I/O L2 L2
(Differential-)
ddr_nck DDR SDRAM CLOCK OUTPUT (Differential-) O C1 D1
ddr_odt ODT OUTPUT O G1 G1
ddr_rasn DDR SDRAM ROW ADDRESS STROBE O F2 G4
OUTPUT (ACTIVE LOW)
ddr_resetn DDR3/DDR3L RESET OUTPUT (ACTIVE LOW) O G2 G2
ddr_vref Voltage Reference Input A H4 J4
ddr_vtp VTP Compensation Resistor I J1 J3
ddr_wen DDR SDRAM WRITE ENABLE OUTPUT O A4 B2
(ACTIVE LOW)
External Memory Interfaces/General Purpose Memory Controller Signals Description
TYPE
SIGNAL NAME [1] DESCRIPTION [2] ZCE BALL [4] ZCZ BALL [4]
[3]
gpmc_a0 GPMC Address O U1 R1, R13
gpmc_a1 GPMC Address O U2, U7 R2, U5, V14
gpmc_a10 GPMC Address O W5 T16, V5
gpmc_a11 GPMC Address O W7 R6, V17
gpmc_a12 GPMC Address O V4 U1
gpmc_a13 GPMC Address O W4 U2
gpmc_a14 GPMC Address O U5 U3
gpmc_a15 GPMC Address O V5 U4
gpmc_a16 GPMC Address O V6 R13, V2
gpmc_a17 GPMC Address O U6 V14, V3
gpmc_a18 GPMC Address O W6 U14, V4
gpmc_a19 GPMC Address O V7 T14, T5
gpmc_a2 GPMC Address O T7, V1 R3, R5, U14
gpmc_a20 GPMC Address O H19 F17, R14
gpmc_a21 GPMC Address O H18 F18, V15
gpmc_a22 GPMC Address O H17 G15, U15
gpmc_a23 GPMC Address O G18 G16, T15
gpmc_a24 GPMC Address O G19 G17, V16
gpmc_a25 GPMC Address O G17 G18, U16
gpmc_a26 GPMC Address O NA T16
Copyright © 2011–2015, Texas Instruments Incorporated Terminal Configuration and Functions 55
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