LC823450 Datasheet, PDF (11/55 Pages) ON Semiconductor – Low Power & High-Resolution Audio Processing System LSI

LC823450
(C) External Interrupt/GPIO
Terminal name
Polarity Direction Function
Multiplexed function
SDRADDR12
GPIO2A
EXTINT2A
SCL1
GPIO2B
EXTINT2B
SDA1
GPIO2C
EXTINT2C
SDRADDR11
DMCKO0
GPIO2D
EXTINT2D
EXTINT2E
GPIO2E
EXTINT2F
GPIO2F
Sum
−
O
SDRAM address
−
B
GPIO
−
I
External Interrupt 2-bit10
−
O
I2C ch1 Clock (open drain output )
−
B
GPIO
−
I
External Interrupt 2-bit11
−
B
I2C ch1 Data (open drain output )
−
B
GPIO
−
I
External Interrupt 2-bit12
−
O
SDRAM address
−
O
Digital Mic Clock Ch0 Output
−
B
GPIO
−
I
External Interrupt 2-bit13
−
I
External Interrupt 2-bit14
GPIO
−
B
* While Internal ROM boot, this
terminal is used as external power
circuit enable signal.
−
I
External Interrupt 2-bit15
GPIO
−
B
* While Internal ROM boot, this
terminal is used as boot monitor
signal.
IO
POWER
Available(○)
TA XA, XB,
XC XD
Vdd2
Vdd2
Vdd2
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Vdd2
Vdd2
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Vdd2
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