Digi NS9215 User Manual

Page 502

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T I M I N G

Memory Timing

502

Hardware Reference NS9215

Slow peripheral
acknowledge read

Slow peripheral
acknowledge
write

M3 2

M2 6

M1 7

M1 8

M1 9

M2 0

M3 1

M2 7

M2 8

M2 3

M2 4

M2 9

M3 0

0n s

50 ns

10 0n s

15 0n s

20 0n s

clk_o ut

da ta<3 1:0>

ad dr <27 :0 >

st_cs_ n<3 :0 >

oe _n

byte _la n e<3:0 >

ta_ str b

M15

M16

M17

M18

M19

M20

M31

M21

M22

M23

M24

3

M29

M30

6

0ns

50ns

100ns

150ns

200ns

clk_out

data<31:0>

addr<27:0>

st_cs_n<3:0>

we_n

byte_lane<3:0>

ta_strb

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