EM3027
5
Memory Mapping
Address
Page
Addr
[2..0]
Hex
Description
Range
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
[6..3]
Control Page
000
001
0x00 OnOffCtrl
0x01 IRQctrl
Clk/Int
1
TD1
0
TD0
0
SROn EERefOn TROn
TiOn
WaOn
00000
Default
1
SRIntE
0
1
V2IntE
0
0
V1IntE
0
0
TIntE
0
1
AIntE
0
Default
----
010
011
100
0x02 IRQflags
0x03 Status
0x04 RstCtrl
SRF
SR
V2F
V1F
TF
AF
----
EEBusy
PON
VLOW2 VLOW1
----
SYSRes
Watch Page
00001
Seconds Tens
Minutes Tens
Seconds Units
Minutes Units
Hours Units
Date Units
000
001
010
011
100
101
110
0x08 Watch Seconds 0 – 59 BCD
0x09 Watch Minutes
0x0A Watch Hours
0x0B Watch Date
0x0C Watch Days
0x0D Watch Months
0x0E Watch Years
0 – 59 BCD
0 - 23 BCD
1 - 12 BCD
Hours Tens
S12/24
pm/2
Date Tens
1 – 31 BCD
1 – 7 BCD
1 – 12 BCD
0 – 79 BCD
Days Units
Months
Tens
Months Units
Years Units
Years Tens
Alarm Page
00010
Seconds Tens
Minutes Tens
Seconds Units
Minutes Units
000
01
0x10 Alarm Seconds 0 – 59 BCD
SecEq
MinEq
0x11 Alarm Minutes
0x12 Alarm Hours
0 – 59 BCD
0 - 23 BCD
1 - 12 BCD
Hours Units
Date Units
Hours Tens
010
HourEq
pm/2
Date Tens
011
100
0x13 Alarm Date
0x14 Alarm Days
1 – 31 BCD DateEq
1 – 7 BCD DayEq
Days Units
Months
Tens
Months Units
Years Units
101
110
0x15 Alarm Months
0x16 Alarm Years
1 – 12 BCD MonthEq
0 – 79 BCD YearEq
Years Tens
Timer Page
00011
000
001
0x18 Timer low byte
0x19 Timer high byte
0-255
0-255
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Temperature Page
00100 000
0x20 Temp
-60-195 °C
----
-
-
-
-
-
-
-
-
EEPROM Data Page - Configuration Registers
00101
000
001
0x28
0x29
EEData
EEPROM user data (2 bytes)
EEPROM Control Page - Configuration Registers
00110
EEctrl
----
R80k
R20k
R5k
R1.5k
FD1
FD0
ThEn
ThPer
000
001
010
011
0x30
0x31
0x32
0x33
Default
±121
0
0
-
0
-
-
-
-
-
-
0
-
-
-
-
-
-
0
-
-
-
-
-
-
0
-
-
-
-
-
-
1
-
-
-
-
-
-
0
-
-
-
-
-
-
XtalOffset
Qcoef
sign
-
-
-
-
Default
----
-
-
Default
4-67 °C
TurnOver
Default
RAM Page (User data RAM)
00111 000-111
0x38-
0x3F
RAMdata
----
8 bytes of data
Table 8
Unused bit (Read as zero; write has no influence)
9
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Copyright 2013, EM Microelectronic-Marin SA
3027-DS.doc, Version 8.0, 25-Jan-13
EMMICRO [ EM MICROELECTRONIC - MARIN SA ]
