PCF2123TS/1.118 NXP Semiconductors, PCF2123TS/1.118 Datasheet - Page 3

• Manufacturer Part Number: PCF2123TS/1.118
• Manufacturer: NXP Semiconductors

Specifications of PCF2123TS/1.118

• Bus Type: Serial (3-Wire, SPI)
• Package Type: TSSOP
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Mounting: Surface Mount
• Date Format: DW:DM:M:Y
• Time Format: HH:MM:SS
• Lead Free Status / RoHS Status: Compliant

NXP Semiconductors
6. Block diagram
PCF2123
Product data sheet
Fig 1.
OSCO
TEST
OSCI
SDO
V
SCL
V
SDI
CE
DD
SS
Block diagram of PCF2123
R
C
C
pd
OSCO
OSCI
OSCILLATOR
INTERFACE
POWER ON
32.768 kHz
MONITOR
WATCH
RESET
DOG
SPI
PCF2123
DIVIDER
All information provided in this document is subject to legal disclaimers.
Rev. 03 — 5 October 2010
0Dh
0Eh
0Ah
0Bh
0Ch
0Fh
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
OFFSET FUNCTION
ALARM FUNCTION
TIMER FUNCTION
Countdown_timer
CONTROL
Offset_register
Weekday_alarm
Minute_alarm
Timer_clkout
Hour_alarm
TIME
Day_alarm
Weekdays
Control_1
Control_2
Seconds
Minutes
Months
Hours
Years
Days
CLOCK OUT
SPI Real time clock/calendar
INTERRUPT
013aaa223
PCF2123
© NXP B.V. 2010. All rights reserved.
CLKOE
CLKOUT
INT
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