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DS1994 Datasheet(PDF) 5 Page - Dallas Semiconductor

Part # DS1994
Description  4kb Plus Time Memory iButton
PDF  22 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1994 Datasheet(HTML) 5 Page - Dallas Semiconductor

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DS1994
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Figure 4. DS1994 MEMORY MAP
PAGE 0
PAGE
PAGE 1
PAGE 2
PAGE 3
PAGE 4
PAGE 5
PAGE 6
PAGE 7
PAGE 8
PAGE 9
PAGE 10
PAGE 11
PAGE 12
PAGE 13
PAGE 14
PAGE 15
PAGE 16
SCRATCHPAD
MEMORY
0000h
0020h
0040h
0060h
0080h
00A0h
00C0h
00E0h
0100h
0120h
0140h
0160h
0180h
01A0h
01C0h
01E0h
0200h
NOTE: Each page is 32 bytes (256 bits). The hex values
represent the starting address for each page or register.
PAGE 16
TIMEKEEPING REGISTERS
STATUS REGISTER
CONTROL REGISTER
REAL-TIME
COUNTER REGISTERS
INTERVAL TIME
COUNTER REGISTERS
COUNTER REGISTERS
CYCLE
ALARM REGISTERS
ALARM REGISTERS
ALARM REGISTERS
CYCLE
INTERVAL TIME
REAL-TIME
0200h
0201h
0202h
0207h
020Ch
0210h
0215h
021Ah
0200h
0201h
STATUS REGISTER
CONTROL REGISTER
76
5
4
3
2
1
0
76
5
4
3
2
1
0
X
X
CCE
ITE
RTE
CCF
ITF
RTF
DSEL
STOP
START
AUTO
MAN
OSC
RO
WPC
WPI
WPR



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