4.7 Timing

Table 4.117 Register/PIO data transfer timing parameters

Symbol

Timing parameter

min

max

 

Condition

 

 

(Units: ns)

(Units:

ns)

 

 

 

 

 

 

 

t0

Cycle time

120

-

 

At mode 4,

 

 

 

 

 

no wait

 

 

 

 

 

 

t1

DIOR-/DIOW- setup time

25

-

 

 

 

 

 

 

 

 

t2

DIOR-/DIOW- pulse width

70

-

 

 

 

 

 

 

 

 

t2i

DIOR-/DIOW- recovery time

25

-

 

 

 

 

 

 

 

 

t3

DIOW- data setup time

20

-

 

 

 

 

 

 

 

 

t4

DIOW- data hold time

10

-

 

 

 

 

 

 

 

 

t5

DIOR- data setup time

20

-

 

 

 

 

 

 

 

 

t6

DIOR- data hold time

5

-

 

 

 

 

 

 

 

 

t6Z

DIOR- data High –Z time

-

30

 

 

 

 

 

 

 

 

t7

From address decided to IOCS16- asserted

-

30

 

 

 

 

 

 

 

 

t8

From address decided to IOCS16- released

-

30

 

 

 

 

 

 

 

 

t9

DIOR-DIOW- to address valid hold time

10

-

 

 

 

 

 

 

 

 

tA

IORDY setup time

-

35

 

PIO flow

 

 

 

 

 

control

 

 

 

 

 

transfer mode

 

 

 

 

 

 

tB

IORDY pulse width

-

1250

 

PIO flow

 

 

 

 

 

control

 

 

 

 

 

transfer mode

 

 

 

 

 

 

tRd

Read data valid to IORDY active

0

-

 

 

 

 

 

 

 

 

C156-E205-01EN

4-79

Page 151
Image 151
Fujitsu MCJ3230AP manual Register/PIO data transfer timing parameters