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LC823450 Datasheet(PDF) 26 Page - ON Semiconductor

Part # LC823450
Description  Low Power & High-Resolution Audio Processing System LSI
PDF  112 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LC823450 Datasheet(HTML) 26 Page - ON Semiconductor

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26
Table 10. TERMINAL FUNCTIONS (continued)
Terminal Name
Available (
d)
IO
POWER
Function
Direction
Polarity
Multiplexed
Function
RA
XB,XD
XA,XC
TA
IO
POWER
EXTERNAL MEMORY I/F
EXA[20:15]
−
O
Address
Vdd2
d
GPIO4[5:0]
−
B
GPIO
d
EXTINT4[5:0]
−
I
External Interrupt 4−bit5 to bit0
d
EXA[14:9]
−
O
Address
Vdd2
d
GPIO3[F:A]
−
B
GPIO
d
EXTINT3[F:A]
−
I
External Interrupt 3−bit15 to bit10
d
EXA[8:1]
−
O
Address
Vdd2
d
GPIO3[9:2]
−
B
GPIO
d
EXTINT3[9:2]
−
I
External Interrupt 3−bit9 to bit2
d
EXD[7:0]
−
B
Data
Vdd2
d
d
d
GPIO4[D:6]
−
B
GPIO
d
d
d
EXTINT4[D:6]
−
I
External Interrupt 4−bit13 to bit6
d
d
d
EXD[15:8]
−
B
Data
Vdd2
d
GPIO5[5:0]
GPIO4[F:E]
−
B
GPIO
d
EXTINT5[5:0]
EXTINT4[F:E]
−
I
External Interrupt 5−bit5 to bit0,
External Interrupt 4−bit15 to bit14
d
Sum
0
14
14
42
Xtal, PLL
XIN1
−
I
XTAL input (XT1)
VddXT1
d
d
d
d
XOUT1
−
O
XTAL output (XT1)
VddXT1
d
d
d
d
VddXT1
−
P
XTAL power supply (XT1)
−
d
d
d
d
VssXT1
−
P
XTAL ground (XT1)
−
d
d
d
d
XTALINFO[1:0]
−
B
XTAL frequency input (Note 10)
XTALINFO[1:0] =
G “00”: 24 MHz
G “01”: 12 MHz
G “10”: 20 MHz
G “11”: 48 MHz
Used for determining clock
frequency setting while internal
ROM boot.
Bonding internally for “TA” product
Vdd2
d
d
d
VCNT1
−
O
PLL1 VCO control
AvddPLL1
d
d
d
d
AvddPLL1
−
P
PLL1 analog power supply
−
d
d
d
d
AvssPLL1
−
P
PLL1 analog ground
−
d
d
d
d
VCNT2
−
O
PLL2 VCO control
AvddPLL2
d
(Note 11)
d
d
d
(Note 11)
AvddPLL2
−
P
PLL2 analog power supply
−
d
(Note 11)
d
d
d
(Note 11)
VCNT3
−
O
PLL3 VCO control
AvddPLL3
d
(Note 12)
d
d
d
(Note 12)



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