Sharp AQUOS LC-37AD5E, Service Manual

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LC-37AD5E
5 – 4
2.2. IC202 (RH-iXB964WJZZQ)
2.2.1 Pin Connections and short description
Pin No. Pin Name I/O Pin Function
Clock and resets
32 NOT_RESET I Hardware reset, active low
15 XTAL_I I Analog Crystal oscillator input/external clock (2.5 V)
14 XTAL_O O Analog Crystal oscillator output
13 VDDA_2V5 — Supply Analog oscillator supply (2.5 V)
16 VDDA_2V5 — Supply Analog PLL supply (2.5 V)
Analog interface
1 RF_LEVEL — ADC 8 input for RF level monitoring
2 VDDA_2V5 — Analog ADC 8 supply (2.5 V)
3 QP — Positive Q analog input for baseband configuration
4 QM — Negative Q analog input for baseband configuration
5 VDDA_ISO — Analog ISO nwell polarization (2.5 V)
6 VDDA_2V5 — Analog ADC 12 supply (2.5 V)
7 REFP — Internal positive reference
8 REFM — Internal negative reference
9 INCM — Internal common mode
10 IM — Negative I analog input for IF and baseband configuration
11 IP — Positive I analog input for IF and baseband configuration
12 VDDA_1.0 — Analog supply (1.0 V)
I2C interface
29 SDA I/O Serial data (open drain)
30 SCL I Serial clock (open drain)
21 SDAT I/O SDA tuner (open drain)
20 SCLT I SCL tuner
MPEG interface
43 D7 O Serial MPEG data or parallel MPEG data (bit 7)
42 D6 O Parallel MPEG data (bit 6)
40 D5 O Parallel MPEG data (bit 5)
39 D4 O Parallel MPEG data (bit 4)
37 D3 O Parallel MPEG data (bit 3)
36 D2 O Parallel MPEG data (bit 2)
35 D1 O Parallel MPEG data (bit 1)
33 D0 O Parallel MPEG data (bit 0)
44 CLK_OUT O MPEG byte or bit clock
46 STR_OUT O MPEG first byte sync
47 D/NOT_P O MPEG data valid/parity
48 ERROR O MPEG packet error
Front end controls
18 AGC_RF I/O
RF AGC control (5 V tolerant)
17 AGC_IF I/O
IF AGC control (5 V tolerant)
64 TEST I/O Reserved test mode, must be grounded.
27 GPIO0 I/O General-purpose input/output port 0. Reserved test mode, must be grounded.
49 GPIO1 I/O General-purpose input/output port 1
60 GPIO2 I/O General-purpose input/output port 2 or lock indicator
59 GPIO3 I/O General-purpose input/output port 3 or lock indicator
58 GPIO4 I/O General-purpose input/output port 4
57 GPIO5 I/O General-purpose input/output port 5
54 GPIO6 I/O General-purpose input/output port 6
53 GPIO7 I/O General-purpose input/output port 7
52 GPIO8 I/O General-purpose input/output port 8. Reserved test mode, must be grounded.
61 GPIO9 I/O General-purpose input/output port 9
23 AUX_CLK I/O Auxiliary clock
25 CS0 I Chip select LSB
26 CS1 I Chip select MSB
Power supply
19, 24, 31, 38,
45, 51, 55, 62
VDD_1V0 — Digital core supply (1.0 V)
22, 28, 34, 41,
50, 56, 63
VDD_3V3 — Digital I/O supply (3.3 V)