TDA9370 pin function

Probe domestic switch needle KG-300K needle head diameter is 3.0mm normally open switch needle

Crystal Resonator 2.0*1.6mm 2016 25MHZ (25.000MHZ) 20PF 10PPM

Pin Function of TDA9370|Parameter Table

Foot number	symbol	Signal voltage / V	Black pen grounding / KΩ	Red pen grounding / KΩ	Function Description
1	STANDBY	3.6	7.0	16	Standby control
2	SCL	3.6	6.5	28	Clock line input/output
3	SDA	3.2	6.6	28	Data line input/output
4	VT	2.6	8.1	28	Tuner voltage output
5	SYSTEM	3.6	8.1	+∞	P/N system control
6	KEY0	3.4	7.8	21.8	Button matrix port
7	KEY1	3.4	7.8	21.8	Button matrix port
8	VOL	0.5	7.5	14.5	volume control
9	VSS	0	0	0	Ground
10	BAND1	4.9	6.8	21.5	Band control 1
11	BAND2	0	6.8	22.5	Band control 2
12	VSSA	0	0	0	Ground
13	SECPLL	2.3	10	15.5	Loop filtering
14	VP2	7.8	2.4	2.4	+8V power supply
15	DECDIG	5.0	7.5	13.5	External capacitor filter
16	PH2LF	2.7	10	15.8	Phase 2 detection
17	PH1LF	2.7	10	16.4	Phase 1 detection
18	GND3	0	0	0	Ground
19	DECBG	4.0	9.0	13	External capacitor filter
20	AVL	0	10	15.8	Audio L output
twenty one	VDRB	0.8	1.8	1.8	Field excitation output B
twenty two	VDRA	0.8	1.8	1.8	Field excitation output A
twenty three	IF1	1.9	10	14.2	IF signal input 1
twenty four	IF2	1.9	10	14.2	IF signal input 2
25	IREF	3.8	10.2	14.5	Field sawtooth formation time constant setting
26	VSC	2.6	10	15.8	Field sawtooth formation time constant setting
27	RF-AGC	4.0	9.5	11.8	High-level AGC control
28	AUDEEM/SIF1	3.1	9.8	15.4	Audio 1 input
29	DECSDDEM/SIF2	2.4	10.1	15.8	Sound 2 output
30	GND	0	0	0	Ground
31	SNDPLL / SIF AGC	2.0	10	15.8	Audio phase-locked loop / sound AGC control
32	AVL/REF	0	9.8	15.4	Audio L/R input port
33	H-OUT	0.5	1.4	1.4	Row excitation output
34	FBISO	0.5	9.5	14	Line pulse input
35	AUDEXT/QSSQ	3.2	10.5	16.1	External audio input
36	EHTO	1.6	8.1	13.8	Extremely high voltage detection port
37	PLLIF	2.4	10	16	IF phase locked loop
38	IFVO/SVO	3.2	10	11.8	Video output
39	VP1	7.8	2.3	2.3	+8V power supply
40	CVBSNT	3.5	10	16.1	Composite full TV signal input
41	GND1	0	0	0	Ground
42	CVBS/Y	3.2	10	16	Composite video/brightness signal input
43	CHROMA	1.0	10.2	15.5	Chroma signal input
44	AUDIOUT /AMOUT	3.4	10.5	16.5	Audio output
45	INSSW2	1.8	7.5	7.8	Input switch control 2
46	R2/VIN	2.4	10.1	16.5	R2/V input
47	G2/YIN	2.4	10.1	16.5	G2/Y input
48	B2/UIN	2.4	10.1	16.5	B2/U input
49	BCL/IN	2.4	9.8	15.5	Automatic brightness control input
50	Blanking	6.0	9.8	15	Black level control
51	Rout	2.6	1.4	1.4	Red base color output
52	Gout	2.8	1.4	1.4	Green base color output
53	Bout	2.8	1.4	1.4	Blue base color output
54	VddA	3.5	5.1	10.2	+3.3V power supply
55	VPE	0	0	0	Ground
56	Vddc	3.5	5.1	10.2	+3.3V power supply
57	OSCGND	0	0	0	Ground
58	XTAL in	0.8	6.8	30	12MHz oscillator input
59	XTAL out	1.8	6.8	21.5	12MHz oscillation output
60	RESET	0	6.8	22.5	Reset port
61	Vddp	3.6	5.2	10	+3.3V power supply
62	AV1	5.1	7.4	12	AV1/TV/SV switching control
63	AV2	5.1	7.4	12	AV2/TV/SV switching control
64	IR in	4.4	8.1	+∞	Remote signal input

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