KRF-V5050D/V5550D/V6050D/V7050D/X9050D
6
CIRCUIT DESCRIPTION
Pin No. Pin Name I/O Description
1 VREF - Connected to ground.
2 TH SENS I Protection signal detection port for thermal sensor.
3 PROT1 I Protection signal detection port for over current.
4 PROT2 I Protection signal detection port for over voltage.
5 S LEVEL - Detection port of RDS signal level.
6 KEY GET I A/D key input for band and standby.
7 CE2 I Detection port of chip enable 2 for microprocessor.
8 CE1 I Detection port of chip enable 1 for microprocessor.
9 DIG DET I Detection port of digital signal for DTS.
10 VREF - A/D reference voltage.
11 VDD - Power supply(+5v) for microprocessor.
12 OSC2 O Main clock output(8.38MHz).
13 OSC1 I Main clock input(8.38MHz).
14 VSS - Connected to ground.
15 XI - Connected to ground.
16 XO - Unused.
17 MMCD - Connected to ground.
18 DIR/CODEC DIN O Data output to DIR/CODEC.
19 DIR/CODEC DOUT I Data input port from DIR/CODEC.
20 DIR/CODEC CLK O Clock output to DIR/CODEC.
21 DSP DIN O Data output port to DSP.
22 DSP DOUT I Data input port from DSP.
23 DSP CLK O Clock output port to DSP.
24 DSP CE1 O Chip enable 1 output to DSP.
25 DSP CE2 O Chip enable 2 output to DSP.
26 REM I I Remote control signal input 1(Front panel).
27 REM 0 I Remote control signal input 1(Rear panel).
28 DIR ERR I Detection port for DIR ERROR signal.
29 RDS CLK I Clock input of RDS demodulator IC.
30 DPS IRQ1 I Detection port 1for DSP INTREQ.
31 DPS IRQ2 I Detection port 2 for DSP INTREQ.
32 NC - Unused.
33 RESET I Reset signal input for microprocessor.
34 DSP PD1 O PD output port 1for DSP.
35 DSP PD2 O PD output port 2 for DSP.
36 DIR PD O Power down mode port for DIR.
37 CODEC PD O Power down mode port for CDDEC.
38 CODEC CLIP I Overflow detection port for CODEC analog signal.
39 CODEC CE O Chip select for CODEC.
40 RDS DIN I Data input of RDS demodulator IC.
41 NC - Unused.
42 FL DIN O Data output to FL driver.
43 FL DOUT I Data input from FL driver.
44 FL CLK O Clock output to FL driver.
45 FL CE O CE output to FL driver.
3-2 Pin Description of Microprocessor
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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