CY14B104K(2009) Ver la hoja de datos (PDF) - Cypress Semiconductor

Número de pieza

componentes Descripción

Fabricante

CY14B104K
(Rev.:2009)

4 Mbit (512K x 8/256K x 16) nvSRAM with Real Time Clock

Cypress Semiconductor 

CY14B104K, CY14B104M

Figure 4. RTC Recommended Component Configuration

C1

Y1

C2

Xout

Xin

Watchdog

Timer

Power

Monitor

VINT

Clock

Alarm

WDF

WIE

PF

PFE

AF

AIE

Recommended Values

Y1 = 32.768 KHz (12.5 pF)

C1 = 12 pF

C2 = 69 pF

Note: The recommended values for C1 and C2 include

board trace capacitance.

Figure 5. Interrupt Block Diagram

P/L

VCC

Pin

Driver

H/L

VSS

WDF - Watchdog Timer Flag

WIE - Watchdog Interrupt

Enable

PF - Power Fail Flag

PFE - Power Fail Enable

INT

AF - Alarm Flag

AIE - Alarm Interrupt Enable

P/L - Pulse Level

H/L - High/Low

Document #: 001-07103 Rev. *M

Page 10 of 33

[+] Feedback

Share Link: