CDP68HC68T1M2Z View Datasheet(PDF) - Renesas Electronics

Part Name

Description

MFG CO.

CDP68HC68T1M2Z

CMOS Serial Real-Time Clock With RAM and Power Sense/Control

Renesas Electronics 

CDP68HC68T1

System Diagrams (Continued)

AC

LINE

0.047

REGULATOR

R

CHARGE

NC

0.1

100k

POR VDD

VBATT

VSYS

1k

20k

VDDRTC

XTAL

PSE

CPUR

LINE

INT

CLK

OUT

CE

VSS

SPI

VDD

3

(EPS)

ENABLED

POWER

SUPPLY

VDD

RESET

CDP68HC05C4B

IRQ

OSC1

PORT

SPI

VSS

FIGURE 18. EXAMPLE OF A SYSTEM WITH A BATTERY BACKUP

FN1547 Rev 9.00

Decemember 8, 2015

Page 19 of 24

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