Wait states -95, Figure 10-79 sho – Motorola MPC8260 User Manual

Page 371

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MOTOROLA

Chapter 10. Memory Controller

10-95

Part III. The Hardware Interface

Figure 10-79. Single-Beat Write Access to EDO DRAM Using REDO to Insert Three

Wait States

cst1

0

0

0

0

Bit 0

cst2

0

0

0

0

Bit 1

cst3

0

0

0

1

Bit 2

cst4

0

0

0

1

Bit 3

bst1

1

1

0

0

Bit 4

bst2

1

0

0

0

Bit 5

bst3

1

0

0

1

Bit 6

bst4

1

0

0

1

Bit 7

g0l0

Bit 8

g0l1

Bit 9

g0h0

Bit 10

g0h1

Bit 11

g1t1

1

1

1

1

Bit 12

g1t3

1

1

1

1

Bit 13

g2t1

Bit 14

g2t3

Bit 15

g3t1

Bit 16

g3t3

Bit 17

g4t1

Bit 18

g4t3

Bit 19

g5t1

Bit 20

g5t3

Bit 21

redo[0]

0

0

1

0

Bit 22

redo[1]

0

0

1

0

Bit 23

loop

0

0

0

0

Bit 24

exen

0

0

0

0

Bit 25

amx0

1

0

0

0

Bit 26

amx1

0

0

0

0

Bit 27

na

0

0

0

0

Bit 28

uta 0

0

0

1

Bit

29

todt

0

0

0

1

Bit 30

last

0

0

0

1

Bit 31

WSS

WSS+1

WSS+2

REDO1

REDO2

REDO3

WSS+3

CLKIN

A

RD/WR

D

PSDVAL

CS1

BS

Row

Column 1

(CAS)

(RAS)

GPL1

(OE)

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