HC68T1M2Z View Datasheet(PDF) - Intersil

Part Name

Description

MFG CO.

HC68T1M2Z

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

Intersil

'HC68T1M2Z' PDF : 23 Pages View PDF

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System Diagrams (Continued)
CDP68HC68T1
AC
LINE
0.047
REGULATOR
R
CHARGE
NC
0.1
100k
POR VDD VSYS
VBATT
1k
20k
RTC
VDD
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
19
FN1547.8
October 29, 2007

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