Datasheet > DS2465P+T

DS2465P+T

更新时间： 2022-03-03 21:49:59

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描述
SHA-256 Coprocessor with 1-Wire Master Function

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DS2465P+T 数据手册

ABRIDGED DATA SHEET

DS2465

SHA-256 Coprocessor with 1-Wire Master Function

ADDRESS

TYPE

ACCESS

DESCRIPTION

RANGE

00h to 4Bh

4Ch to 5Fh

60h

SRAM

—

R/W

—

Input scratchpad

(Reserved)

—

Command register

1-Wire Master Status register

1-Wire Read Data register

61h

SRAM

62h

Refer to the full data sheet.

66h

67h

—

(Reserved)

SRAM

—

R/W

—

1-Wire Master Configuration register

68h

1-Wire Port Configuration t

RSTL

MSP

W0L

69h

6Ah

6Bh

REC0

6Ch

1-Wire Port Configuration R

WPU

1-Wire Port Configuration Overdrive t

(Reserved)

6Dh

W1L

6Eh to 6Fh

70h

ROM

Factory byte

Refer to the full data sheet.

73h

ROM

—

Personality byte

(Reserved)

74h to 7Fh

80h to 9Fh

A0h to BFh

C0h to FFh

EEPROM

—

(R)/(W)

—

User memory page 0

User memory page 1

(Reserved)

Figure 2. Memory Map

Command Register (60h)

Device Registers

execute a 1-Wire

The registers of the DS2465 fall into three categories:

write-only, read-only and read/write. Write-only applies to

the command register. Status registers, the 1-Wire read

function, the DS2465 needs to receive a command from

the I C host. Commands are written one at a time to the

Command register. Most commands consist of a com-

mand code and a parameter byte. The command code

indicates the type of instruction and the position of the

data register

, are

read-only. The configuration registers can be read and

written; they also have defined power-on default settings.

The factory byte, Manufacturer ID, and Personality byte

are read-only.

read pointer for the next I C read-access. See section

Function Commands for details.

�� Maxim Integrated Products

1...4 5 678 9 10...31

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