DS1925 datasheet(26/46 Pages) MAXIM

부품명	DS1925

상세설명	iButton High-Capacity Temperature Logger with 122KB Data-Log Memory

PDF	46 Pages

Scroll/Zoom	100%

제조업체	MAXIM [Maxim Integrated Products]

홈페이지	https://www.maximintegrated.com/en.html

Logo

26 / 46 page

Figure 9f. Memory/Control Function Flowchart—XPC Subcommands Flowchart (continued)

DS1925

iButton High-Capacity Temperature Logger

with 122KB Data-Log Memory

www.maximintegrated.com

Maxim Integrated │ 26

33h

XPC READ

BAT. VOLT.

4Bh

XPC FORCED

CONV.?

FROM FIGURE 9

5th PART, XPC

MASTER RX CRC16

MASTER TX FF RELEASE

BYTE

MASTER WAITS tLSTD OR

tLSTD + tSRTC +

MASTER TX FF RELEASE

BYTE

MASTER RX CRC16

MASTER TX FF RELEASE

BYTE

MASTER WAITS tLSTD OR

tLSTD + tSRTC +

MASTER TX FF RELEASE

BYTE

DS1925 COPIES RESULT

TO ADDRESS 020C/Dh

MASTER RX FORCED

CONVERSION RESULT LS

BYTE FIRST

MASTER RX BATTERY

VOLTAGE RESULT LS BYTE

FIRST

MASTER RX CRC16 OF

DATA

MASTER RX CRC16 OF

DATA

CRC OK?

PERFORM

ANOTHER?

PERFORM

ANOTHER?

MASTER TX RESET

*STRONG PULLUP REQUIRED

+ANY DS1925 DEVICE THAT IS IN AN UNKNOWN STATE SHOULD BE ASSUMED TO REQUIRE THE

ADDITIONAL DELAY OF tSRTC TO ENSURE PROPER OPERATION UNTIL THE DEVICE STATE IS ESTABLISHED

BY COMMAND OR QUERY. FAILURE TO DO SO MAY CAUSE THE DEVICE TO EXPERIENCE A POWER-ON

RESET OR BATTERY-FAIL EVENT, SET THE BOR ALARM FLAG, AND DISABLE DEVICE FEATURES.

DS1925 데이터시트(PDF) 26 Page - Maxim Integrated Products

DS1925 데이터시트(HTML) 26 Page - Maxim Integrated Products

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

데이터시트 다운로드

링크 URL