Digi NS9750 User Manual
Page 44
P i n o u t a n d s i g n a l d e s c r i p t i o n s
2 0
N S 9 7 5 0 H a r d w a r e R e f e r e n c e
H2
clk_en[3]
8
O
SDRAM clock enable
A10
clk_out[0]
8
O
SDRAM reference clock. Connect to clk_in[0]
using series termination.
A9
clk_out[1]
8
O
SDRAM clock
A5
clk_out[2]
8
O
SDRAM clock
A4
clk_out[3]
8
O
SDRAM clock
G26
data[0]
8
I/O
Data bus signal
H24
data[1]
8
I/O
Data bus signal
G25
data[2]
8
I/O
Data bus signal
F26
data[3]
8
I/O
Data bus signal
G24
data[4]
8
I/O
Data bus signal
F25
data[5]
8
I/O
Data bus signal
E26
data[6]
8
I/O
Data bus signal
F24
data[7]
8
I/O
Data bus signal
E25
data[8]
8
I/O
Data bus signal
D26
data[9]
8
I/O
Data bus signal
F23
data[10]
8
I/O
Data bus signal
E24
data[11]
8
I/O
Data bus signal
D25
data[12]
8
I/O
Data bus signal
C26
data[13]
8
I/O
Data bus signal
E23
data[14]
8
I/O
Data bus signal
D24
data[15]
8
I/O
Data bus signal
C25
data[16]
8
I/O
Data bus signal
B26
data[17]
8
I/O
Data bus signal
D22
data[18]
8
I/O
Data bus signal
C23
data[19]
8
I/O
Data bus signal
B24
data[20]
8
I/O
Data bus signal
Pin #
Signal Name
U/D
OD
(mA)
I/O
Description
Table 3: System Memory interface pinout