Read Sharp LC-37X20E Service Manual online
LC-32X20E/S/RU, LC-37X20E/S/RU
5 – 8
2.5. IC1403 (VHiTAS3108D-1Y)
2.5.1 Block Diagram
2.5.2 Pin Connections and short description
Pin No.
Pin Name
I/O
Pin Function
38
AVDD
—
Analog power-supply input (3.3V)
1
AVSS
—
Analog ground
7
CS0
I
Pull-down Chip select
9, 30
DVDD
—
Digital power-supply input (3.3V)
10, 29
DVSS
—
Digital ground
8
GPIO
I/O
Pull-up GPIO control pin (user programmable)
19
LRCLK
I/O
Pull-down Sample rate clock (fS) input or output
5
MCLKIN
I
Master clock input (Connect to ground when not in use.)
21
MCLKO
O
Master clock output
6
MICROCLK_DIV
I
Pull-down Internal microprocessor clock divide control
31
PDN
I
Pull-up Powers down all logic and stops all clocks, active-low. Coefficient memory remains stable
through power-down cycle.
through power-down cycle.
34
PLL0
I
Pull-up PLL control 0
35
PLL1
I
Pull-down PLL control 1
36
PLL2
I
Pull-down PLL control 2
33, 37
RESERVED
—
Connect to ground
32
RESET
I
Pull-up Reset, active-low
16
SCL1
I/O
I2C port #1 clock (always a slave)
18
SCL2
I/O
I2C port #2 clock (always a slave)
20
SCLKIN
I
Pull-down Bit clock input
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