Motorola MVME2400 Series Instrukcja Obsługi Pobierz pdf (Strona 64)

3-16 Computer Group Literature Center Web Site

Functional Description

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

1-Beat Read after idle,

SDRAM Bank Active - Page Miss

1-Beat Read after idle,

SDRAM Bank Active - Page Hit

1-Beat Read after 1-Beat Read,

SDRAM Bank Active - Page Miss

1-Beat Read after 1-Beat Read,

SDRAM Bank Active - Page Hit

1-Beat Write after idle,

SDRAM Bank Active or Inactive

1-Beat Write after 1-Beat Write,

SDRAM Bank Active - Page Miss

1-Beat Write after 1-Beat Write,

SDRAM Bank Active - Page Hit

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

ACCESS TYPE

Access Time

(tB1-tB2-tB3-tB4)

Comments

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 177 178

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Motorola MVME2400 Series Instrukcja Obsługi Strona 64