Static ram read cycles with 0 wait states, Wtrd = 1, If the pb field is set to 1, all four – Digi NS9750 User Manual

Page 829: Signal will always be high, Woen = 1

Advertising
background image

w w w . d i g i e m b e d d e d . c o m

8 0 5

T i m i n g

Static RAM read cycles with 0 wait states

Figure 113: Static RAM read cycles with 0 wait states timing

WTRD = 1

WOEN = 1

If the PB field is set to 1, all four

byte_lane

signals will go low for 32-bit,

16-bit, and 8-bit read cycles.

If the PB field is set to 0, the

byte_lane

signal will always be high.

M24

M23

M28

M27

M20

M19

M18

M17

M26

M25

CPU clock / 2

data<31:0>

addr<27:0>

st_cs_n<3:0>

oe_n

byte_lane<3:0>

Advertising