DS1922E(2008) Просмотр технического описания (PDF) - Maxim Integrated

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DS1922E
(Rev.:2008)

High-Temperature Logger iButton with 8KB Data-Log Memory

Maxim Integrated 

High-Temperature Logger iButton with 8KB

Data-Log Memory

ADDRESS

0219h

021Ah

BIT 7

0

0

BIT 6 BIT 5 BIT 4

10 Seconds

10 Minutes

BIT 3

BIT 2 BIT 1

Single Seconds

Single Minutes

BIT 0 FUNCTION ACCESS*

021Bh

021Ch

0

12/24

20 Hour

AM/PM

10 Hour

0

0

10 Date

Single Hours

Single Date

Mission

Timestamp

R

R

021Dh CENT

0

0

10

Months

Single Months

021Eh

021Fh

10 Years

Single Years

(No Function; Reads 00h)

—

R

R

0220h

0221h

0222h

0223h

0224h

0225h

0226h

0227h

0228h

…

022Fh

0230h

…

0237h

0238h

…

023Fh

Low Byte

Center Byte

High Byte

Low Byte

Center Byte

High Byte

Configuration Code

EPW

First Byte

…

Eighth Byte

First Byte

…

Eighth Byte

(No Function; All These Bytes Read 00h)

Mission

Samples

R

R

Counter

Device

Samples

R

R

Counter

Flavor

R

R

PW Control R/W R

Read

Access

W—

Password

Full

Access

W—

Password

—

R

R

*The left entry in the ACCESS column is valid between missions. The right entry shows the applicable access type while a

mission is in progress.

Figure 6. DS1922E Register Pages Map (continued)

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