Document Number: 002-00483 Rev. *J

Page 10 of 20

S34ML08G1

7.1

Read Parameter Page

The device supports the ONFI Read Parameter Page operation, initiated by writing ECh to the command register, followed by an

address input of 00h. The command register remains in Parameter Page mode until further commands are issued to it. Table 7.3

explains the parameter fields.

Note: For 41nm 2Gb/4Gb Cypress NAND, for a particular condition, the Read Parameter Page command does not give the correct

values. To overcome this issue, the host must issue a Reset command before the Read Parameter Page command. Issuance of

Reset before the Read Parameter Page command will provide the correct values and will not output 00h values. This does not apply

to 48nm 1Gb.

Table 7.2 Read ID Byte 5 Description — S34ML04G1

Description

I/O7

I/O6 I/O5 I/O4

I/O3 I/O2

I/O1

I/O0

Plane Number

1

2

4

8

0 0

0 1

1 0

1 1

Plane Size

(without spare area)

64 Mb

128 Mb

256 Mb

512 Mb

1 Gb

2 Gb

4 Gb

8 Gb

0 0 0

0 0 1

0 1 0

0 1 1

1 0 0

1 0 1

1 1 0

1 1 1

Reserved

0

0

0

Table 7.3 Parameter Page Description (Sheet 1 of 3)

Byte

O/M

Description

Values

Revision Information and Features Block

0-3

M

Parameter page signature

Byte 0: 4Fh, “O”

Byte 1: 4Eh, “N”

Byte 2: 46h, “F”

Byte 3: 49h, “I”

4Fh, 4Eh, 46h, 49h

4-5

M

Revision number

2-15

Reserved (0)

1

1 = supports ONFI version 1.0

0

Reserved (0)

02h, 00h

6-7

M

Features supported

5-15

Reserved (0)

4

1 = supports odd to even page Copyback

3

1 = supports interleaved operations

2

1 = supports non-sequential page programming

1

1 = supports multiple LUN operations

0

1 = supports 16-bit data bus width

1Eh, 00h

8-9

M

Optional commands supported

6-15

Reserved (0)

5

1 = supports Read Unique ID

4

1 = supports Copyback

3

1 = supports Read Status Enhanced

2

1 = supports Get Features and Set Features

1

1 = supports Read Cache commands

0

1 = supports Page Cache Program command

1Bh, 00h

10-31

Reserved (0)

00h