LC-37D90U
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2.15. RH-iXB684WJQZQ (ASSY: IC8601)
DEMODULATOR
• Block Diagram [RH-iXB684WJQZQ (ASSY: IC8601)]
• Pin Function [RH-iXB684WJQZQ (ASSY: IC8601)]
Pin No. Pin Name I/O Pin Function
Analog to Digital Converter (ADC) Interface
11 ADC_INN I ADC negative differential input.
10 ADC_INP I ADC positive differential input.
17 ADC_VREF_N O ADC negative reference.
14 ADC_VREF_P O ADC positive reference.
Oscillator Interface
7 OSC_XTAL_IN I Oscillator crystal input.
6 OSC_XTAL_OUT O Oscillator crystal output.
MPEG Interface
51 MPEG_CLK O MPEG clock.
41 MPEG_DATA_0 O MPEG parallel data output bit 0.
42 MPEG_DATA_1 O MPEG parallel data output bit 1.
47 MPEG_DATA_2 O MPEG parallel data output bit 2.
48 MPEG_DATA_3 O MPEG parallel data output bit 3.
50 MPEG_DATA_4 O MPEG parallel data output bit 4.
54 MPEG_DATA_5 O MPEG parallel data output bit 5.
57 MPEG_DATA_6 O MPEG parallel data output bit 6.
59 MPEG_DATA_7/
SER_DATA
O MPEG parallel data output bit 0 OR Serial Data.
63 MPEG_DATA_EN O MPEG data enable.
65 MPEG_ERR O MPEG error.
66 MPEG_PKT_SYNC O MPEG packet sync.
I2C Interface
94 I2C_ADDR0 I I2C slave address bit 0.
95 I2C_ADDR1 I I2C slave address bit 1.
67 I2C_SCL I/O I2C serial clock.
71 I2C_SDA I/O I2C serial data.
Reset Interface
72 /POWER_RESET I Power-on reset. (asynchronous, active-low)
JTAG Interface
78 TCK I Boundary scan serial clock. Must be pulled down to DGND through 10 KO resistor.
73 TDI I Boundary scan serial input. Must be pulled up to 3.3V.
82 TDO O Boundary scan serial output.
77 TMS I Boundary scan test mode select. Must be pulled up to 3.3V.
76 TRST I Boundary scan asynchronous reset. Must be pulled up to 3.3V.
GPIO Interface
104 GPIO_0 I/O General purpose I/O bit 0.
103 GPIO_1 I/O General purpose I/O bit 1.
100 GPIO_2/PDET_COMP_IN I/O General purpose I/O bit 2 - or -Demodulator RF AGC input from the peak power compar-
ator.
99 GPIO_3 I/O General purpose I/O bit 3.
98 GPIO_4 I/O General purpose I/O bit 4.
93 GPIO_5 I/O General purpose I/O bit 5.
89 GPIO_6 I/O General purpose I/O bit 6.
88 GPIO_7 I/O General purpose I/O bit 7.
87 GPIO_8 I/O General purpose I/O bit 8.
84 GPIO_9 I/O General purpose I/O bit 9.
83 GPIO_10 I/O General purpose I/O bit 10.
AGC Interface
100 GPIO_2/PDET_COMP_IN O General purpose I/O bit 2 - or -Demodulator RF AGC input from the peak power compar-
ator.
111 PDET_REF_OUT O Demodulator RF AGC - SDM peak power comparator reference output to tuner power
comparator; requires external low-pass filter.
114 RF_AGC O Demodulator RF AGC - SDM output to the tuner's RF AGC amplifier; requires external
low-pass filter.
117 AUX_AGC O Demodulator AGC - SDM output to auxiliary IF or RF AGC; requires external low-pass fil-
ter.
119 IF_AGC O Demodulator IF AGC - SDM output to the IF AGC amplifier; requires external low-pass fil-
ter.
Power and Ground Pins
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