AS4C1M16S datasheet(13/53 Pages) ALSC

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AS4C1M16S

• Burst Length Field (A2~A0)

This field specifies the data length of column access using the A2~A0 pins and selects the Burst

Length to be 1, 2, 4, 8, or full page.

Table 6. Burst length

Burst Length

Reserved

Full Page

• Addressing Mode Select Field (A3)

The Addressing Mode can be one of two modes, Interleave Mode or Sequential Mode. Sequential

Mode supports burst length of 1, 2, 4, 8, or full page, but Interleave Mode only supports burst length

of 4 and 8.

Table 7. Addressing Mode Select Field

Addressing Mode

Sequential

Interleave

• Burst Definition, Addressing Sequence of Sequential and Interleave Mode

Table 8. Burst Definition

Burst

Length

Start Address

Sequential

Interleave

0, 1

1, 0

0, 1, 2, 3

1, 2, 3, 0

1, 0, 3, 2

2, 3, 0, 1

3, 0, 1, 2

3, 2, 1, 0

0, 1, 2, 3, 4, 5, 6, 7

1, 2, 3, 4, 5, 6, 7, 0

1, 0, 3, 2, 5, 4, 7, 6

2, 3, 4, 5, 6, 7, 0, 1

2, 3, 0, 1, 6, 7, 4, 5

3, 4, 5, 6, 7, 0, 1, 2

3, 2, 1, 0, 7, 6, 5, 4

4, 5, 6, 7, 0, 1, 2, 3

5, 6, 7, 0, 1, 2, 3, 4

5, 4, 7, 6, 1, 0, 3, 2

6, 7, 0, 1, 2, 3, 4, 5

6, 7, 4, 5, 2, 3, 0, 1

7, 0, 1, 2, 3, 4, 5, 6

7, 6, 5, 4, 3, 2, 1, 0

Full page location = 0-255

n, n+1, n+2, n+3, …255, 0,

1, 2, … n-1, n, …

Not Support

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