LC786821E Datasheet, PDF (12/35 Pages) ON Semiconductor – Compressed Audio Signal Processor IC

Pin
No.
Pin name
48 GP13
49 DVDD
50 DVSS
51 RESB
52 SIFCK
53 SIFDI
54 SIFDO
55 SIFCE
56 BUSYB
57 GP03
58 GP40
59 GP41
60 GP42
61 GP43
62 GP44
LC786821E
I/O
State when
"Reset"
Function
General purpose I/O port with pull down resistor
External interruption function 3
I/O
Input(L)
(exclusive with GP30, GP31, GP43 and GP47)
Clock control input 2
Watch Dog Timer state monitor output


Digital system power supply


Digital system ground. This pin must be connected to the 0V level.
I
IC reset input ("L"-active)

This pin must be set low once after power is first applied.
Host-I/F
I
Input
Data transmit clock input for serial communication 1
Data transmit clock input for IIC communication
Host-I/F
I/O
Input
Data input for serial communication 1
Data input/output for IIC communication
Host-I/F
I/O
Input
Data output for serial communication 1 (CMOS or 3-State output)
General purpose I/O port with pull down resistor (GP00)
Host -I/F
I/O
Input
Enable signal input for serial communication 1 ("H"-active)
General purpose I/O port with pull down resistor (GP01)
Host -I/F
I/O
Input(L)
System busy signal output ("L"-active)
General purpose I/O port with pull down resistor (GP02)
External interruption function 0 (exclusive with GP40 and GP44)
General purpose I/O port with pull down resistor
I/O
Input(L)
Watch Dog Timer state monitor output
USB device detection flag output
External interruption function 1 (exclusive with GP14, GP41 and GP45)
General purpose I/O port with pull down resistor
External interruption function 0 (exclusive with GP02 and GP44)
I/O
Input(L)
IIC (master) clock output (exclusive with GP04 and GP10)
LR clock input/output 3 for Audio interface
LR clock input 3 for Stream data interface
General purpose I/O port with pull down resistor
External interruption function 1 (exclusive withGP03, GP14 and GP45)
I/O
Input(L)
IIC (master) data input/output (exclusive with GP05 and GP11)
Bit clock input/output 3 for Audio interface
Bit clock input/output 3 for Stream data interface
General purpose I/O port with pull down resistor
External interruption function 2 (exclusive with GP12 and GP46)
I/O
Input(L)
Watch Dog Timer state monitor output
Data input/output 3 for Audio interface
Data input/output 3 for Stream data interface
General purpose I/O port with pull down resistor
External interruption function 3
I/O
Input(L)
(exclusive with GP13, GP30, GP31 and GP47)
Clock (Fs384) input/output 3 for Audio DAC
Request flag input/output 3 for Stream data interface
General purpose I/O port with pull down resistor
External interruption function 0 (exclusive with GP02 and GP40)
I/O
Input(L)
Over current detection signal input for USB 1(exclusive with GP50)
Block synchronization signal (SBSY) input for CD subcode
(exclusive with GP34)
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