Table 3-10. Ppc Bus To Rom/Flash Access Timing (80Ns @ 100 Mhz); Table 3-11. Ppc Bus To Rom/Flash Access Timing (50Ns @ 100Mhz) - Motorola MVME2400 Series Installation And Use Manual

Functional Description

Table 3-10. PPC Bus to ROM/Flash Access Timing (80ns @ 100 MHz)

3
ACCESS TYPE
4-Beat Read
4-Beat Write
1-Beat Read (1 byte)
1-Beat Read (2 to 8 bytes)
1-Beat Write

Table 3-11. PPC Bus to ROM/Flash Access Timing (50ns @ 100MHz)

ACCESS TYPE
4-Beat Read
4-Beat Write
1-Beat Read (1 byte)
1-Beat Read (2 to 8 bytes)
1-Beat Write
3-18
CLOCK PERIODS REQUIRED FOR:
1st Beat
16 64
Bits Bits
54 18
N/A
18 18
54 18
21 21
Note
The information in
with devices with an access time equal to 8 CLK periods.
CLOCK PERIODS REQUIRED FOR:
1st Beat
16 64
Bits Bits
42 15
N/A
15 15
42 15
21 21
Note The information in
with devices with an access time equal to 5 CLK periods.
2nd Beat 3rd Beat
16 64 16 64
Bits Bits Bits Bits
48 12 48 12
- - - -
- - - -
- - - -
Table 3-10 is appropriate when configured
2nd Beat 3rd Beat
16 64 16 64
Bits Bits Bits Bits
36 9 36 9
- - - -
- - - -
- - - -
Table 3-11 is appropriate when configured
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Total
Clocks
4th Beat
16 64 16 64
Bits Bits Bits Bits
48 12 198 54
N/A
- - 18 18
- - 54 18
- - 21 21
Total
Clocks
4th Beat
16 64 16 64
Bits Bits Bits Bits
36 9 150 42
N/A
- - 15 15
- - 42 15
- - 21 21