28F032B3 datasheet(18/48 Pages) INTEL

tên linh kiện	28F032B3

Giải thích chi tiết về linh kiện	SMART 3 ADVANCED BOOT BLOCK 4-, 8-, 16-, 32-MBIT FLASH MEMORY FAMILY

PDF	48 Pages

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nhà sản xuất	INTEL [Intel Corporation]

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SMART 3 ADVANCED BOOT BLOCK

PRELIMINARY

Table 6. Command Bus Definitions(1, 4)

First Bus Cycle

Second Bus Cycle

Command

Notes

Oper

Addr

Data

Oper

Addr

Data

Read Array

Write

FFH

Read Identifier

Write

90H

Read

Read Status Register

Write

70H

Read

SRD

Clear Status Register

Write

50H

Program

Write

40H / 10H

Write

Block Erase/Confirm

Write

20H

Write

D0H

Program/Erase Suspend

Write

B0H

Program/Erase Resume

Write

D0H

NOTES:

PA: Program Address

PD: Program Data

BA: Block Address

IA: Identifier Address

ID: Identifier Data

SRD: Status Register Data

Bus operations are defined in Table 3.

Following the Intelligent Identifier command, two read operations access manufacturer and device codes. A0 = 0 for

manufacturer code, A0 = 1 for device code. A1—A21 = 0.

Either 40H or 10H command is valid although the standard is 40H.

When writing commands to the device, the upper data bus [DQ 8–DQ15] should be either VIL or VIH, to minimize current

draw.

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