LC823450 Datasheet, PDF (10/55 Pages) ON Semiconductor – Low Power & High-Resolution Audio Processing System LSI

LC823450
(B) RTC
Terminal name
Multiplexed function
Polarity Direction
Function
IO
POWER
XIN32K
Pos
I
32.768kHz XTAL Input (XTRTC)
XOUT32K
−
O
32.768kHz XTAL Output (XTRTC)
VDET
Neg
I
RTC power detect Input
RTCINT
Neg
O
RTC Interrupt Output (Normal:Hiz,
Interrupt enabled:Low Output )
BACKUPB
Neg
I
RTC backup mode input
KEYINT[2:0]
−
I
RTC KEY input can be used when
KeyInt RTC mode
RTCMODE
RTC mode input(*1)
Set General RTC or KeyInt RTC mode
−
I
RTCMODE =
 “0” : KeyInt RTC mode
 “1” : General RTC mode
Bonding internally for “TA” product
VddRTC
−
P
RTC power supply
VssRTC
−
P
RTC ground
Sum
(*1) Set according to the General RTC mode or KeyInt RTC mode.
Bonding internally for “TA” product as described on Page 5
VddRTC
VddRTC
VddRTC
VddRTC
VddRTC
VddRTC
VddRTC
−
−
Available(○)
TA
XA, XB,
XC XD
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