Digi NS9750 Uživatelský manuál stáhnout pdf (Strana 17)

System Memory interface

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C15 addr[12] 8 O Address bus signal

B15 addr[13] 8 O Address bus signal

A15 addr[14] 8 O Address bus signal

C14 addr[15] 8 O Address bus signal

B14 addr[16] 8 O Address bus signal

A14 addr[17] 8 O Address bus signal

A13 addr[18] 8 O Address bus signal

B13 addr[19] 8 O Address bus signal

C13 addr[20] 8 O Address bus signal

A12 addr[21] 8 O Address bus signal

B12 addr[22] 8 O Address bus signal

C12 addr[23] 8 O Address bus signal

D12 addr[24] 8 O Address bus signal

A11 addr[25] 8 O Address bus signal

B11 addr[26] 8 O Address bus signal

C11 addr[27] 8 O Address bus signal

G2 clk_en[0] 8 O SDRAM clock enable

H3 clk_en[1] 8 O SDRAM clock enable

G1 clk_en[2] 8 O SDRAM clock enable

H2 clk_en[3] 8 O SDRAM clock enable

A10 clk_out[0] 8 O SDRAM reference clock. Connect to clk_in 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

Pin # Signal Name

U/D

(mA)

I/O Description

Table 5: System Memory interface pinout

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 87 88

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Digi NS9750 Uživatelský manuál Strana 17