AMC0XXDFLKA datasheet(11/46 Pages) AMD

Part #	AMC0XXDFLKA

Description	4, 8, 20, or 32 Megabyte 5.0 Volt-only Flash Memory PC Card

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Manufacturer	AMD [Advanced Micro Devices]

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AmC0XXDFLKA

11

Table 4.

Odd Byte Command Deﬁnitions (Notes 1–5)

* Address for Memory Segment 1 (S1) only. Address for the higher odd memory segments (S3–S15) = (Addr) + ((N–1)/2)*

400000H + 20000H where N = Memory Segment number (1) for 4 Mbyte, N = (1, 3) for 8 Mbyte, N = (1, 3, 5) for 12 Mbyte,

N = (1…9) for 20 Mbyte, N = (1...15) for 32 Mbyte.

Notes:

1. Address bits = X = Don’t Care for all address commands except for Program Address (PA), Read Address (RA) and Sector

Address (SA).

2. Bus operations are deﬁned in Table 1.

3. RA = Address of the memory location to be read.

PA = Address of the memory location to be programmed. Addresses are latched on the falling edge of the WEpulse.

SA = Address of the sector to be erased. The combination of A17, A18, A19, A20, A21 will uniquely select any sector of a

segment.

To select the memory segment:

4 Mbyte:

Use CE2

8 Mbyte:

Use CE2 and A22

20 and 32 Mbyte:

Use CE2 and A22–A24.

4. RD = Data read from location RA during read operation.

PD = Data to be programmed at location PA. Data is latched on the rising edge of WE pulse.

5. A0 = 1 and CE1 = 0 or A0 = X and CE2 = 0.

Embedded

Command

Sequence

Bus

Write

Cycles

Req’d

First Bus

Write Cycle

Second Bus

Write Cycle

Third Bus

Write Cycle

Fourth Bus

Read/Write Cycle

Fifth Bus

Write Cycle

Sixth Bus

Write Cycle

Addr*

Data

Addr*

Data

Addr*

Data

Addr*

Data

Addr*

Data

Addr*

Data

Reset/Read

1

XXXXH

F0

Reset/Read

4

XXXXH

AA

XXXXH

55

XXXXH

F0

RA

RD

Autoselect

4

XXXXH

AA

XXXXH

55

XXXXH

90

00H

01

02H

3D

Byte Write

4

XXXXH

AA

XXXXH

55

XXXXH

A0

PA

PD

Segment Erase

6

XXXXH

AA

XXXXH

55

XXXXH

80

XXXXH

AA

XXXXH

55

XXXXH

10

Sector Erase

6

XXXXH

AA

XXXXH

55

XXXXH

80

XXXXH

AA

XXXXH

55

SA

30

Sector Erase Suspend

XXXXH

AA

Erase can be suspended during sector erase with Addr (don’t care), Data (B0H)

Sector Erase Resume

XXXXH

AA

Erase can be resumed after suspend with Addr (don’t care), Data (30H)

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