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20
Tsi620 Evaluation Board User Manual
60D7000_MA001_03
Intergrated Device Technology
www.idt.com
Figure 5: DSP Block Diagram
1.3.3.2
DDR2 SDRAM Memory
•
DDR2 memory device: 2x MT47H64MHR-3, 64Mx16b-677M
•
Interface speed: 307.2 MHz or 614.4M DDR
•
Memory size: 256 MB
•
DDR PLL provide the clocking to DDR2 SDRAM
•
Interface data width: 32 bit
•
Reference clock: 61.44 MHz
•
I/O Standard: SSTL-1.8V
1.3.3.3
Antenna Interface
•
Antenna I/F link: 1x to SFP connector with up to 3 Gbps
•
Antenna I/F link: 1x to AMC backplane Port 17 with up to 3 Gbps
•
FPGA link: 4x to FPGA with up to 768 Mbps per lane
•
CPRI compatible: 614.4 Mbps, 1.2288 Gbps, 2.4576 Gbps link rates
•
OBSAI compatible: 768 Mbps, 1.536 Gbps, 3.072 Gbps link rates
DDR2
SDRAM
64Mx16b
D
Q
[0
:3
1]
D
Q
S
(p,
n)
AD
D/
CT
R
L
DDR2 Controller
CK
/C
K#
DDR
PLL
D
D
R
R
EF
C
LK(
p,
n)
61
.4
4M
H
z
3
07.
2M
H
z
SR
IO
SE
R
D
ES
PLL
RIOSGMIIREFCLK(p,n)
LVPECL/
156.25MHz
1x SRIO
1x SRIO
Tsi620
SRIO
SWITCH
EM
A
C
SG
M
II
GIGE SGMII
SGMII
PHY
AI
F
PL
L
STSCLK(p,n)
61.44MHz
OB
S
A
I/C
P
RI
I/
F
FSYNC
FBURST(p,n)
O
BS
AI
76
8M
b/
CP
R
I6
14
.4
M
b
SFP
Bc
B
S
P
SP
I-
M
a
st
er
Serial
FLASH
8MB
FPGA
SPI Bus
3.3V-1.8V
LevelShifter
1.8V
PORZz
XWRSTz
MDI
I2C
EEPROM
60pin Port
Emulation
JTAG
TCI6488 DSP
RJ45
w/ Mag
GIGE SGMII
1x Link
4x Link
1x Link
AMC
GPIO x 16
FPGA AFS600
x4
x6
x6
Configuration