Read Sharp LC-19A1E (serv.man5) Service Manual online
LC-19A1E-BK/WH
5 – 10
2.2. IC803 (VHiS24CS64A-1Y)
2.2.1 Block Diagram
2.2.2 Pin Connections and short description
M22
FVSS1
—
Ground for Flash memory
GND
N20
FVSS2
—
Ground for Flash memory
GND
A18
IVDD
—
Buffer power supply (3.3V) in an audio multiplex decoder I /O
B3.3V
B18
IVSS
—
Buffer ground in an audio multiplex decoder
GND
C18
DVDD
—
Digital core power supply (1.5V) in an audio multiplex decoder
B1.5V
D18
DVSS
—
Digital core ground for an audio multiplex decoder
GND
A22
AVDD_AD
—
A/D converter core power supply (3.3V) in an audio multiplex decoder
B3.3V
B21
AVSS_AD
—
A/D converter core ground in an audio multiplex decoder
GND
B22
AVDD_DA
—
D/A converter core power supply (3.3V) in an audio multiplex decoder
B3.3V
C21
AVSS_DA
—
D/A converter core ground in an audio multiplex decoder
GND
Pin No.
Pin Name
I/O
Pin Function
1
A0
I
Slave address input A0
2
A1
I
Slave address input A1
3
A2
I
Slave address input A2
4
GND
—
Ground.
5
SDA
I/O
Serial data input/output
6
SCL
I
Serial clock input.
7
WP
I
Write protect input
VCC Connection: Protect effective
GND Connection: Protect uneffective
VCC Connection: Protect effective
GND Connection: Protect uneffective
8
VCC
—
Power supply.
Pin No.
Pin Name
I/O
Pin Function
sheet name
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