PCA2125TS/1,112 NXP Semiconductors, PCA2125TS/1,112 Datasheet - Page 7

• Manufacturer Part Number: PCA2125TS/1,112
• Description: IC CMOS RTC/CALENDAR 14-TSSOP
• Manufacturer: NXP Semiconductors
• Type: Clock/Calendar/Alarmr

Specifications of PCA2125TS/1,112

• Package / Case: 14-TSSOP
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 1.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Function: Clock, Calendar
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.3 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: OM6292 - DEMO BOARD PCA2125 RTC
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 935283386112; PCA2125TS/1; PCA2125TS/1

NXP Semiconductors
PCA2125_1
Product data sheet
8.3 Control registers
Table 6.
Table 7.
Bit
7
6
5
4
3
2
1 to 0
Bit
7
6
5
4
3
2
1
0
Symbol
EXT_TEST
-
STOP
-
POR_OVRD 0
12_24
-
Symbol
MI
SI
MSF
TI_TP
AF
TF
AIE
TIE
Control_1 register (address 00h) bit description
Control_2 register (address 01h) bit description
Value Description
0
1
0
0
1
0
1
0
1
0
Value Description
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Rev. 01 — 28 July 2008
normal mode
external clock test mode
unused
RTC source clock runs
RTC divider chain flip-flops are asynchronously set
to logic 0; the RTC clock is stopped (CLKOUT at
32.768 kHz, 16.384 kHz or 8.192 kHz is still
available)
unused
power-on reset override facility is disabled; set to
logic 0 for normal operation
power-on reset override is enabled
24 hour mode is selected
12 hour mode is selected
unused
minute interrupt is disabled
minute interrupt is enabled
second interrupt is disabled
second interrupt is enabled
no minute or second interrupt generated
flag set when minute or second interrupt generated;
flag must be cleared to clear interrupt
interrupt pin follows timer flags
interrupt pin generates a pulse
no alarm interrupt generated
flag set when alarm triggered; flag must be cleared
to clear interrupt
no countdown timer interrupt generated
flag set when countdown timer interrupt generated;
flag must be cleared to clear interrupt
no interrupt generated from the alarm flag
interrupt generated when alarm flag set
no interrupt generated from the countdown timer
flag
interrupt generated when countdown timer flag set
SPI Real-time clock/calendar
PCA2125
© NXP B.V. 2008. All rights reserved.
Reference
Section 8.9
Section 8.10
-
Section 8.2.1
Table 11
-
Reference
Section 8.6.1
Section 8.6
Section 8.7.2
Section 8.5.1
-
-
Section 8.7.3
Section 8.7
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