Main Cpu Pin Function - JVC LT-32EX19/AT Service Manual

2.4.2 MAIN CPU PIN FUNCTION

Pin Pin name I/O
1 SDVDD
2 VDD33BIAS
3 REFRIN
4 VSS33GIAS
5 OTXOUT4P
6 OTXOUT4M
7 OTXOUT3P
8 OTXOUT3M
9 OTXCLKOUTP
10 OTXCLKOUTM
11 VDD33LVDS
12 OTXOUT2P
13 OTXOUT2M
14 VSS33LVDS
15 OTXOUT1P
16 OTXOUT1M
17 OTXOUT0P
18 OTXOUT0M
19 LPF2
20 PLLAVDD
21 VCCQ33
22 VCCQ10
23 VCCQ10
24 SXIN
25 SXOUT O
26 GPIO13/CSIO0_TXD/ O
UART0_TXD/MSQ
27 GPIO14/CSIO0_RXD/ O
UART0_RXD/MSD
28 GPIO15/CSIO0_SCLK/
MST
29 GPIO16/CSIO0_RTS/
UART0_RTS/MSN
30 GPIO17/CSIO0_CTS/ O
UART0_CTS
31 GPIO20/CSIO1_TXD/ O
UART1_TXED
32 I2SMCLK O
33 I2SSD1 I/O Data for I2S bus
34 VCCQ33
35 I2SWS1 O
36 I2SSCLK1 O
37 GPIO21/CSIO1_RXD/ O
UART1_RXD
38 GPIO22/CSIO1_SCLK/ O
SODIF
39 SDVDD
40 VCCQ10
41 VCCQ10
42 VBUSUSB
43 R_OUT1 O
44 SDAVSS1
45 VCOM1_DAC O
46 SDAVDD1
47 L_OUT1 O
48 VCCQ33
49 R_OUT2 O
50 SDAVSS2
51 VCOM2_DAC O
52 SDAVDD2
53 L_OUT2
54 SDVDD
55 DGND
56 SMUX_AVDD33 O
1-12 (No.YA702<Rev.005>)
[IC7001 : DIGITAL PWB]
Function
- 3.3V power supply
- 3.3V power supply
I Bias setting for LVDS
- GND
- Not used
- Not used
- Not used
- Not used
- Not used
- Not used
- 3.3V power supply
- Not used
- Not used
- GND
- Not used
- Not used
- Not used
- Not used
I LPF setting for PLL
- 3.3V power supply
- 3.3V power supply
- 1.05V power supply
- 1.05V power supply
I 36.864MHz oscillation for sampling clock
36.864MHz oscillation for sampling clock
Reset for HDMI-2 [Reset=L]
Power LED(blue lighting [ON=H]
- Not used
- Not used
Power on/off control main power [ON=L]
Power on/off control PFC [ON=L]
Master clock for I2S BUS
- 3.3V power supply
Word select for I2S bus
Clock for I2S bus
Power on/off control for low bias line [ON= L]
Reset for HDMI-1 [Reset=L]
- 3.3V power supply
- 1.05V power supply
- 1.05V power supply
- Not used
Audio out R for Monitor
- GND
Reference voltage setting
- 3.3V power supply
Audio out L for Monitor
- 3.3V power supply
Audio out R for Main
- GND
Reference voltage setting
- 3.3V power supply
- Audio out L for Main
- 3.3V power supply
- GND
3.3V power supply
Pin Pin name I/O
57 SMUX_AVSS -
58 VREF1 I
59 VREF2 I
60 SIF I
61 SADC_AVDD33 -
62 SADC_AVSS -
63 R_IN/I2SWS3 I
64 DMY/I2SSCK3 -
65 SADC_AVSS -
66 SADC_AVDD33 -
67 VCOM_SOUNDADC I
68 SADC_AVDD33 -
69 SADC_AVSS -
70 L_IN/I2SSD3 I
71 SADC_AVSS -
72 SADC_AVDD33 -
73 VCCQ10 -
74 VCCQ33 -
75 DFPUSB -
76 DFMUSB -
77 VCCQ10 -
78 VCCQ10 -
79 VCCQ10 -
80 AVDDPLL -
81 PLLXFCA I
82 AVSSPLL -
83 PLLXFCP I
84 AVSSPLL -
85 PLLXFCX I
86 AVSSPLL -
87 PWR I
88 HDMISCL I
89 HDMISCA I/O Data for I2C bus (for HDMI)
90 VSSE -
91 VDDE -
92 AVDDHDMI -
93 RXCN I
94 RXCP I
95 AVSSHDMI -
96 RX0N I
97 RX0P I
98 AVDDHDMI -
99 AVSSHDMI -
100 RX1N I
101 RX1P I
102 AVDDHDMI -
103 RX2N I
104 RX2P I
105 AVSSHDMI -
106 EXTRES I
107 PVDD -
108 PVSS -
109 DGND -
110 VCCQ10 -
111 SDVDD -
112 VDDQ -
113 XOUT O
114 XIN I
115 VCCQ10 -
116 VCCQ33 -
117 MPSEL I
118 SDO O
Function
GND
Reference voltage setting
Reference voltage setting
SIF for VHF/UHF tuner
3.3V power supply
GND
Audio input R
Not used
GND
3.3V power supply
Reference voltage setting
3.3V power supply
GND
Audio input L
GND
3.3V power supply
1.05V power supply
3.3V power supply
Not Used
Not Used
1.05V power supply
1.05V power supply
1.05V power supply
3.3V power supply
Filter setting for HDMI
GND
Filter setting for HDMI
GND
Filter setting for HDMI
GND
Power status detect for HDMI
Clock for I2C bus (for HDMI)
GND
3.3V power supply
3.3V power supply
TMDS clock for HDMI
TMDS clock for HDMI
GND
TMDS data for HDMI
TMDS data for HDMI
3.3V power supply
GND
TMDS data for HDMI
TMDS data for HDMI
3.3V power supply
TMDS data for HDMI
TMDS data for HDMI
GND
For external resister
3.3V power supply
GND
GND
1.05V power supply
3.3V power supply
GND
27MHz oscillation for CPU system clock
27MHz oscillation for CPU system clock
1.05V power supply
3.3V power supply
Mode select for external operation [Exter-
nal=L]
Data for external flash memory