MCP795B10 MAS [Micro Analog systems], MCP795B10 Datasheet - Page 11

• Manufacturer Part Number: MCP795B10
• Description: SPI Real-Time Clock Calendar
• Manufacturer: MAS [Micro Analog systems]

4.0
4.0.1
The RTCC register space runs from 0x00 through to
0x1F. Any read or write that is started within the RTCC
register address space will wrap to the beginning of
the RTCC registers.
TABLE 4-1:
 2011 Microchip Technology Inc.
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
Address
RTCC FUNCTIONALITY
ST (CT)
CALSGN
OUT
ALM0PIN
ALM1PIN
RTCC REGISTER MAP
WDTEN
EVHIF
BIT 7
RTCC REGISTER MAP
12/24
SQWE
WDTIF
EVLIF
12/24
ALM0C2
12/24
ALM1C2
12/24
10 Minutes
12/24
BIT 6
Day
Day
Tenth Seconds
Tenth Seconds
10 Year
10 Hour
AM/PM
OSCON
LP
ALM1
WDDEL
EVEN1
10 Hour
AM/PM
ALM0C1
10 Hour
AM/PM
ALM1C1
10 Hour
AM/PM
10 Hour
AM/PM
10 Seconds
10 Seconds
10 Seconds
10 Minutes
10 Minutes
10 Minutes
10 Minutes
BIT 5
10 Date
10 Date
10 Date
10 Date
10 Date
10 Hour
VBAT
10 Month
ALM0
WDTPLS
EVEN0
10 Hours
ALM0C0
10 Month
10 Hours
ALM1C0
10 Hours
10 Month
10 Hours
10 Month
CALIBRATION
MCP795WXX/MCP795BXX
BIT 4
Preliminary
Power-down Time-stamp Registers
Time and Configuration Registers
Power-Up Time-stamp Registers
Alarm 0 Registers
Alarm 1 Registers
EXTOSC
WD3
EVWDT
ALM0IF
ALM1IF
VBATEN
BIT 3
All of the RTCC registers are backed up from the V
supply when V
VBATEN bit is set. Any unused bits or non imple-
mented addresses read back as ‘0’. No error checking
is provided for any of the RTCC, the user may load
any value.
The RTCC register map is shown in
Hundredths of Seconds
Hundredths of seconds
RS2
WD2
EVLDB
BIT 2
Seconds
Seconds
Seconds
Minutes
Minutes
Minutes
Minutes
Minutes
Month
Month
Month
Month
Hour
Date
Hour
Date
Hour
Date
Hour
Date
Hour
Date
Year
CC
RS1
WD1
EVHS1
BIT 1
Day
Day
Day
is not available, provided that the
RS0
WD0
EVHS0
BIT 0
Hundredths of
seconds
Seconds
Minutes
Hours
Day
Date
Month
Year
Control Reg.
Calibration
Watchdog
Event Detect
Seconds
Minutes
Hours
Day
Date
Month
Hundredths
of Seconds
Seconds
Minutes
Hours
Day
Date
Table
FUNCTION
DS22280A-page 11
4-1.
00-99
00-59
00-59
1-12 + AM/PM
00 - 23
1-7
01-31
01-12
00-99
00-59
00-59
1-12 + AM/PM
00-23
1-7
01-31
01-12
00-99
00-59
00-59
1-12 + AM/PM
00-23
1-7
01-31
BAT
RANGE