PCF8593TD NXP Semiconductors, PCF8593TD Datasheet - Page 35

• Manufacturer Part Number: PCF8593TD
• Description: Real Time Clock LO PWR CLOCK/CAL
• Manufacturer: NXP Semiconductors

Specifications of PCF8593TD

• Function: 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
• Package / Case: SOT-96
• Time Format: HH:MM:SS:hh
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PCF8593T/1,112

NXP Semiconductors
19. Contents
1
2
3
4
5
6
6.1
6.2
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.10.1
7.11
8
8.1
8.1.1
8.1.2
8.1.3
8.1.4
8.2
8.2.1
8.2.2
9
10
10.1
10.2
11
11.1
11.1.1
11.1.2
11.1.3
12
13
13.1
13.2
13.3
13.4
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 1
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 4
Characteristics of the I
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 18
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 19
Application information. . . . . . . . . . . . . . . . . . 23
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 25
Soldering of SMD packages . . . . . . . . . . . . . . 27
Counter function modes . . . . . . . . . . . . . . . . . . 4
Control and status register . . . . . . . . . . . . . . . . 5
I
Clock and calendar READ or WRITE cycles . 16
Method 2: OSCI trimmer. . . . . . . . . . . . . . . . . 23
Method 3: Direct measurement . . . . . . . . . . . 23
Wave and reflow soldering . . . . . . . . . . . . . . . 27
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
Alarm function modes . . . . . . . . . . . . . . . . . . . . 4
Counter registers . . . . . . . . . . . . . . . . . . . . . . . 6
Alarm control register . . . . . . . . . . . . . . . . . . . . 8
Alarm registers . . . . . . . . . . . . . . . . . . . . . . . . . 9
Timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Event counter mode . . . . . . . . . . . . . . . . . . . . 11
Interrupt control . . . . . . . . . . . . . . . . . . . . . . . 12
Oscillator and divider . . . . . . . . . . . . . . . . . . . 12
Designing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 14
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Start and stop conditions . . . . . . . . . . . . . . . . 14
System configuration . . . . . . . . . . . . . . . . . . . 14
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 15
Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Static characteristics . . . . . . . . . . . . . . . . . . . . 19
Dynamic characteristics . . . . . . . . . . . . . . . . . 21
Oscillator frequency adjustment . . . . . . . . . . . 23
Method 1: Fixed OSCI capacitor. . . . . . . . . . . 23
Introduction to soldering . . . . . . . . . . . . . . . . . 27
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 27
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 28
2
C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . 16
2
C-bus . . . . . . . . . . . . 14
14
15
16
17
17.1
17.2
17.3
17.4
18
19
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2010.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 30
References. . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Revision history . . . . . . . . . . . . . . . . . . . . . . . 32
Legal information . . . . . . . . . . . . . . . . . . . . . . 33
Contact information . . . . . . . . . . . . . . . . . . . . 34
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 33
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Low power clock and calendar
Date of release: 6 October 2010
Document identifier: PCF8593
PCF8593
All rights reserved.