AM3359, AM3358, AM3357, AM3356, AM3354, AM3352
SPRS717H – OCTOBER 2011 – REVISED MAY 2015
External Memory Interfaces/DDR Signals Description (continued)
TYPE
SIGNAL NAME
DESCRIPTION
ZCE BALL
ZCZ BALL
ddr_d5
DDR SDRAM DATA INPUT/OUTPUT
I/O
ddr_d6
DDR SDRAM DATA INPUT/OUTPUT
I/O
ddr_d7
DDR SDRAM DATA INPUT/OUTPUT
I/O
ddr_d8
DDR SDRAM DATA INPUT/OUTPUT
I/O
ddr_d9
DDR SDRAM DATA INPUT/OUTPUT
I/O
ddr_dqm0
DDR WRITE ENABLE / DATA MASK FOR
O
DATA[7:0]
ddr_dqm1
DDR WRITE ENABLE / DATA MASK FOR
O
DATA[15:8]
ddr_dqs0
DDR DATA STROBE FOR DATA[7:0]
I/O
(Diffe)
ddr_dqs1
DDR DATA STROBE FOR DATA[15:8]
I/O
(Diffe)
ddr_dqsn0
DDR DATA STROBE FOR DATA[7:0]
I/O
(Differential-)
ddr_dqsn1
DDR DATA STROBE FOR DATA[15:8]
I/O
(Differential-)
ddr_nck
DDR SDRAM CLOCK OUTPUT (Differential-)
O
ddr_odt
ODT OUTPUT
O
ddr_rasn
DDR SDRAM ROW ADDRESS STROBE
O
OUTPUT (ACTIVE LOW)
ddr_resetn
DDR3/DDR3L RESET OUTPUT (ACTIVE LOW)
O
ddr_vref
Voltage Reference Input
A
ddr_vtp
VTP Compensation Resistor
I
ddr_wen
DDR SDRAM WRITE ENABLE OUTPUT
O
(ACTIVE LOW)
External Memory Interfaces/General Purpose Memory Controller Signals Description
TYPE
SIGNAL NAME
DESCRIPTION
ZCE BALL
ZCZ BALL
gpmc_a0
GPMC Address
O
gpmc_a1
GPMC Address
O
,
,
gpmc_a10
GPMC Address
O
,
gpmc_a11
GPMC Address
O
gpmc_a12
GPMC Address
O
gpmc_a13
GPMC Address
O
gpmc_a14
GPMC Address
O
gpmc_a15
GPMC Address
O
gpmc_a16
GPMC Address
O
gpmc_a17
GPMC Address
O
gpmc_a18
GPMC Address
O
gpmc_a19
GPMC Address
O
,
gpmc_a2
GPMC Address
O
,
gpmc_a20
GPMC Address
O
,
gpmc_a21
GPMC Address
O
,
gpmc_a22
GPMC Address
O
,
gpmc_a23
GPMC Address
O
,
gpmc_a24
GPMC Address
O
,
gpmc_a25
GPMC Address
O
,
gpmc_a26
GPMC Address
O
NA
Copyright © 2011–2015, Texas Instruments Incorporated
Terminal Configuration and Functions
55
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