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Motorola MVME2400 User Manual

Page 64

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3-16

Computer Group Literature Center Web Site

Functional Description

3

4-Beat Write after 4-Beat Write,

SDRAM Bank Active - Page Hit

3-1-1-1

3-1-1-1 for the second burst
write after idle.

2-1-1-1 for subsequent burst
writes.

1-Beat Read after idle,

SDRAM Bank Inactive

10

1-Beat Read after idle,

SDRAM Bank Active - Page Miss

12

1-Beat Read after idle,

SDRAM Bank Active - Page Hit

7

1-Beat Read after 1-Beat Read,

SDRAM Bank Active - Page Miss

8

1-Beat Read after 1-Beat Read,

SDRAM Bank Active - Page Hit

5

1-Beat Write after idle,

SDRAM Bank Active or Inactive

5

1-Beat Write after 1-Beat Write,

SDRAM Bank Active - Page Miss

13

1-Beat Write after 1-Beat Write,

SDRAM Bank Active - Page Hit

8

Table 3-9. 60x Bus to SDRAM Access Timing (100MHz/PC100 SDRAMs)

ACCESS TYPE

Access Time

(tB1-tB2-tB3-tB4)

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