AM3359_15 Datasheet, PDF (55/248 Pages) Texas Instruments – AM335x Sitara Processors

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AM3359, AM3358, AM3357, AM3356, AM3354, AM3352
SPRS717H – OCTOBER 2011 – REVISED MAY 2015
External Memory Interfaces/DDR Signals Description (continued)
SIGNAL NAME [1]
ddr_d5
ddr_d6
ddr_d7
ddr_d8
ddr_d9
ddr_dqm0
ddr_dqm1
ddr_dqs0
ddr_dqs1
ddr_dqsn0
ddr_dqsn1
ddr_nck
ddr_odt
ddr_rasn
ddr_resetn
ddr_vref
ddr_vtp
ddr_wen
DESCRIPTION [2]
DDR SDRAM DATA INPUT/OUTPUT
DDR SDRAM DATA INPUT/OUTPUT
DDR SDRAM DATA INPUT/OUTPUT
DDR SDRAM DATA INPUT/OUTPUT
DDR SDRAM DATA INPUT/OUTPUT
DDR WRITE ENABLE / DATA MASK FOR
DATA[7:0]
DDR WRITE ENABLE / DATA MASK FOR
DATA[15:8]
DDR DATA STROBE FOR DATA[7:0]
(Differential+)
DDR DATA STROBE FOR DATA[15:8]
(Differential+)
DDR DATA STROBE FOR DATA[7:0]
(Differential-)
DDR DATA STROBE FOR DATA[15:8]
(Differential-)
DDR SDRAM CLOCK OUTPUT (Differential-)
ODT OUTPUT
DDR SDRAM ROW ADDRESS STROBE
OUTPUT (ACTIVE LOW)
DDR3/DDR3L RESET OUTPUT (ACTIVE LOW)
Voltage Reference Input
VTP Compensation Resistor
DDR SDRAM WRITE ENABLE OUTPUT
(ACTIVE LOW)
TYPE
[3]
I/O
I/O
I/O
I/O
I/O
O
O
I/O
I/O
I/O
I/O
O
O
O
O
A
I
O
ZCE BALL [4]
T1
T2
R3
K2
K1
N3
K3
R1
L1
R2
L2
C1
G1
F2
G2
H4
J1
A4
ZCZ BALL [4]
N4
P3
P4
J1
K1
M2
J2
P1
L1
P2
L2
D1
G1
G4
G2
J4
J3
B2
External Memory Interfaces/General Purpose Memory Controller Signals Description
SIGNAL NAME [1]
DESCRIPTION [2]
TYPE
[3]
ZCE BALL [4]
ZCZ BALL [4]
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
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Terminal Configuration and Functions
55
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