Read Sharp LC-20B6E (serv.man10) Service Manual online
52
LC-20B6E
27
DVDD_CAP
OBL
Digital supply capacitor
28
DVDD
OBL
Digital supply (+3.3 V)
29
DVSS
OBL
Digital ground
30
DVSS_CAP
OBL
Digital capacitor ground
31
PORT0
OUT
DVDD
LV
Digital output port
32
PORT1
OUT
DVDD
LV
Digital output port
33
TUNER_AGC
OUT
DVDD
OBL
Tuner AGC current output
34
PORT2
OUT
DVDD
LV
Digital output port
35
PORT3
OUT
DVDD
LV
Digital output port
36
PORT4
OUT
DVDD
LV
Digital output port
37
ADR_SEL
IN DVDD
OBL
Address
select
38
PORT5
OUT
DVDD
LV
Digital output port
39
DVDD_ADC
OBL
Digital supply for ADC (+3.3 V)
40
DVSS_ADC
OBL
Digital ground for ADC
41
XTAL_IN
IN
AVDD_ADC
OBL
Crystal oscillator
42
XTAL_OUT
I/O
AVDD_ADC
OBL
Crystal oscillator /
external reference frequency
external reference frequency
43
VREF
AVDD_ADC
OBL
ADC reference voltage
44
SGND
AVDD_ADC
OBL
ADC reference ground
Pin No.
Pin Name
Type
Supply
Voltage
Voltage
Connection
Short Description
(If not used)
7.3. Pin Connections (Continued)
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