PCF8593T/1,112 NXP Semiconductors, PCF8593T/1,112 Datasheet - Page 5

• Manufacturer Part Number: PCF8593T/1,112
• Description: IC CLOCK/CALENDAR LOW PWR 8-SOIC
• Manufacturer: NXP Semiconductors
• Type: Clock/Calendar/NVSRAMr

Specifications of PCF8593T/1,112

• Package / Case: 8-SOIC (3.9mm Width)
• Time Format: HH:MM:SS:hh (12/24 hr)
• Memory Size: 8B
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Function: Clock, Calendar, Alarm, Timer Interrupt
• Rtc Memory Size: 8 B
• Supply Voltage (max): 6 V
• Supply Voltage (min): 1 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935275723112; PCF8593TD; PCF8593TD

NXP Semiconductors
PCF8593
Product data sheet
7.3 Control and status register
The control and status register is defined as the memory location 00h with free access for
reading and writing via the I
contents of the control and status register (see
Fig 4.
MSB
7
013aaa382
Control and status register
6
All information provided in this document is subject to legal disclaimers.
5
Rev. 04 — 6 October 2010
4
2
C-bus. All functions and options are controlled by the
3
2
1
LSB
Figure
0
memory location 00h
timer flag:
alarm flag:
alarm enable bit:
logic 0:
logic 1:
mask flag:
logic 0:
logic 1:
function mode:
00
01
10
11
hold last count flag:
logic 0:
logic 1:
stop counting flag:
logic 0:
logic 1:
4).
Low power clock and calendar
event-counter mode
50 % duty factor
seconds flag if alarm enable bit
is logic 0
alarm disabled: flags toggle
alarm control register to disabled
(memory locations 08h to 0Fh
are free RAM space)
enable alarm control register
(memory location 08h is the
alarm control register)
read locations 05h to 06h
unmasked
read date and month count
directly
clock mode 32.768 kHz
50 % duty factor
minutes flag if alarm enable bit
is logic 0
clock mode 50 Hz
test modes
count
store and hold last count in
capture latches
count pulses
stop counting, reset divider
PCF8593
© NXP B.V. 2010. All rights reserved.
5 of 35