LC786821E Datasheet, PDF (13/35 Pages) ON Semiconductor – Compressed Audio Signal Processor IC

Pin
No.
Pin name
63 GP45
64 GP46
65 GP47
66 DVSS
67 DVDD
68 UDM2
69 UDP2
70 DVSS
71 UDM1
72 UDP1
73 XVDD
74 XIN
75 XOUT
76 XVSS
77 AFILT
78 NC
79 VVDD2
80 DVSS
81 DVDD
82 GP04
83 GP05
84 GP06
85 GP07
86 GP14
87 DVDD12_1
88 DVDD
89 DVSS
90 DVDD18_1
LC786821E
I/O
State when
"Reset"
Function
General purpose I/O port with pull down resistor
External interruption function 1 (exclusive withGP03, GP14 and GP41)
I/O
Input(L)
Power supply signal output for USB 1(exclusive with GP51)
Frame synchronization signal (SFSY) input for CD subcode
(exclusive with GP35)
General purpose I/O port with pull down resistor
UART2 data transmit (exclusive with GP30)
I/O
Input(L)
External interruption function 2 (exclusive with GP12 and GP42)
Over current detection signal input for USB 2 (exclusive with GP52)
Emphasis flag input/output for Audio (exclusive with GP14)
Data (PW) input for CD subcode (exclusive with GP36)
General purpose I/O port with pull down resistor
UART2 data receive (exclusive with GP31)
External interruption function 3
I/O
Input(L)
(exclusive with GP13, GP30, GP31 and GP43)
Power supply signal output for USB 2 (exclusive with GP53)
CD_C2 error flag input (exclusive with GP14)
Data transmit clock (SBCK) output for CD subcode (exclusive with GP37)


Digital system ground. This pin must be connected to the 0V level.


Digital system power supply
I/O

USB data input/output 2 D signal connection
I/O

USB data input/output 2 D+ signal connection


Digital system ground. This pin must be connected to the 0V level.
I/O

USB data input/output 1 D signal connection
Charge detection (CDP detection) input/output 1
I/O

USB data input/output 1 D+ signal connection
Charge detection (CDP detection) input/output 1


Oscillator power supply
I
Oscillation X'tal oscillator connection
O Oscillation X'tal oscillator connection


Oscillator ground. This pin must be connected to the 0V level.
AO Unknown PLL2 charge pump output (for filter connection)


NC pin. This pin must be left open.


PLL2 power supply


Digital system ground. This pin must be connected to the 0V level.


Digital system power supply
General purpose I/O port with pull down resistor
I/O
Input(L)
Master clock output for serial communication 2
IIC (master) clock output (exclusive with GP10 and GP40)
General purpose I/O port with pull down resistor
I/O
Input(L)
Receive data input for serial data communication 2
IIC (master) data input/output (exclusive with GP11 and GP41)
General purpose I/O port with pull down resistor
I/O
Input(L)
Transmit data output for serial communication 2
UART1 data transmit (exclusive with GP10)
I/O
Input(L)
General purpose I/O port with pull down resistor
UART1 data receive (exclusive with GP11)
General purpose I/O port with pull down resistor
External interruption function 1 (exclusive withGP03, GP41 and GP45)
I/O
Input(L)
Watch Dog Timer state monitor output
USB device detection flag output
Emphasis flag input/output for Audio (exclusive with GP46)
CD_C2 error flag input (exclusive with GP47)
AO
H
Capacitor connection pin for internal regulator (1.2V for internal)


Digital system power supply


Digital system ground. This pin must be connected to the 0V level.
AO
H
Capacitor connection pin for internal regulator (1.8V for Flash)
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