Read Sharp LC-32D44E (serv.man6) Service Manual online
LC-32D44E/S/RU-BK/GY
5 – 15
Programmable I/O pins
127
POI0[7]
I/O
PIO PORT 0
126
PIO0[6]
123
PIO0[5]
122
PIO0[4]
121
PIO0[3]
120
PIO0[2]
119
PIO0[1]
118
PIO0[0]
46
PIO1[7]
I/O
PIO PORT 1
45
PIO1[6]
44
PIO1[5]
43
PIO1[4]
41
PIO1[3]
40
PIO1[2]
39
PIO1[1]
38
PIO1[0]
117
PIO2[7]
I/O
PIO PORT 2
116
PIO2[6]
115
PIO2[5]
114
PIO2[4]
111
PIO2[3]
110
PIO2[2]
109
PIO2[1]
108
PIO2[0]
12
PIO3[6]
I/O
PIO PORT 3
11
PIO3[5]
10
PIO3[4]
7
PIO3[3]
6
PIO3[2]
5
PIO3[1]
4
PIO3[0]
JTAG test access port (TAP) pins
134
TDI
I
TAP boundary scan test data input.
133
TMS
I
TAP boundary scan test mode select.
137
TCK
I
TAP boundary scan test clock.
135
NOT_TRST
I
TAP boundary scan test logic reset.
132
TDO
O
TAP boundary scan test data output.
DCU pins
1
DCUTRIGGERIN
I
External trigger input to DCU.
2
DCUTRIGGEROUT
O
Signal to trigger external debug circuitry.
Analog power supply pins (Audio DAC)
32
VDDAADAC
---
3.3v power for audio DAC.
31
GNDAADAC
---
Ground for audio DAC.
30
VSSUBANA
---
Substrate ground for all DACs.
Analog power supply pins (Video DAC)
22
VDDDAC0
---
3.3 V power supply for video DAC 1, 2 and 3.
21
VDDDAC1
---
3.3 V power supply for CVBS video DAC 4.
19
VSSDAC0
---
Ground for video DAC 1, 2 and 3.
20
VSSDAC1
---
Ground for video DAC 4.
Analog power supply pins (Frequency synthesizers)
140
VDDDFS1
---
Frequency synthesizer 1.2 V digital power dedicated to frequency synthesizer 1.
141
GNDDFS1
---
Frequency synthesizer 1.2 V digital ground dedicated to frequency synthesizer 1.
142
VCCAFS
---
Frequency synthesizer 1.2 V analog power shared between frequency synthesizer
1 and 2.
1 and 2.
143
GNDAFS
---
Frequency synthesizer 1.2 V analog ground shared between frequency synthe-
sizer 1 and 2.
sizer 1 and 2.
144
GNDDFS2
---
Frequency synthesizer 1.2 V digital ground dedicated to frequency synthesizer 2.
145
VDDDFS2
---
Frequency synthesizer 1.2 V digital power dedicated to frequency synthesizer 2.
Analog power supply pins (PLLs)
146
VCCAPLL
---
1.2V PLL1 analog power.
147
GNDAPLL
---
1.2V PLL1 analog ground.
148
GNDAPLL1
---
1.2V PLL2 analog ground.
149
VCCAPLL1
---
1.2V PLL2 analog power.
Analog power supply pins (LMI SDRAM)
Pin No.
Pin Name
I/O
Pin Function
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