OM6292 NXP Semiconductors, OM6292 Datasheet - Page 9

• Manufacturer Part Number: OM6292
• Description: DEMO BOARD PCA2125 RTC
• Manufacturer: NXP Semiconductors

Specifications of OM6292

• Main Purpose: Timing, Real Time Clock (RTC)
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: PCA2124, PCF2125
• Primary Attributes: 8-Char Alphanumeric LCD
• Secondary Attributes: 1.2 V ~ 5.5 V Supply
• Description/function: Demo Board
• Interface Type: ICP
• Software: Software Not Included
• Product: Display Development Tools
• For Use With/related Products: PCA2125, PCF2124
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

NXP Semiconductors
PCA2125_1
Product data sheet
Table 12.
[1]
Table 13.
Table 14.
[1]
Table 15.
Table 16.
Bit
6, 7
5 to 0
Bit
3 to 7
2 to 0
Day
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Bit
5 to 7
4 to 0
Month
January
February
March
April
May
June
July
August
September
The RTC compensates for leap years by adding a 29th day to February if the year counter contains a value
which is exactly divisible by 4, including the year 00.
The weekday assignments can be re-defined by the user.
[1]
Symbol
-
MONTHS[4:0]
Symbol
-
DAYS[5:0]
Symbol
-
WEEKDAYS[2:0]
Register Days (address 05h) bit description
Register Weekdays (address 06h) bit description
Weekday assignments
Register Months (address 07h) bit description
Month assignments
Bit 7
Bit 7
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Rev. 01 — 28 July 2008
Bit 6
Bit 6
Value
0
01 to 12
Double-digit
Double-digit
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Value
0
01 to 31
Value
0
0 to 6
Bit 5
Bit 5
Description
unused
this register holds the current month value coded in BCD
format; see
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Description
unused
this register holds the current day value coded in BCD
format
Description
unused
this register holds the current weekday value; see
Table 14
Bit 4
Bit 4
[1]
X
X
X
X
X
X
X
0
0
0
0
0
0
0
0
0
Table 16
Bit 3
Bit 3
X
X
X
X
X
X
X
0
0
0
0
0
0
0
1
1
SPI Real-time clock/calendar
Bit 2
Bit 2
0
0
0
0
1
1
1
0
0
0
1
1
1
1
0
0
Digit
Digit
PCA2125
© NXP B.V. 2008. All rights reserved.
Bit 1
Bit 1
0
0
1
1
0
0
1
0
1
1
0
0
1
1
0
0
Bit 0
Bit 0
9 of 36
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1