6
KRF-V5200D
Pin No. Pin Name I/O Description
29 CMPREQ IN PCM audio input sampling rate clock
30 CLKIN IN Master clock input port
31 CLKSEL IN DSP clock selector
32 FILT2 - External fi lter for PLL
33 FILT1 - External fi lter for PLL
34 VA - Power supply for clock generator (+2.5V)
35 AGND - Ground for PLL of clock generator
36 /RESET IN Master reset input port
37 DD - Pulled up
38 DC - Pulled up
39 AUDATA2 OUT Digital audio output port-2
40 AUDATA1 OUT Digital audio output port-1
41 AUDATA0 OUT Digital audio output port-0
42 LRCLK IN/OUT Audio output sampling rate clock
43 SCLK IN Audio output bit clock
44 MCLK IN/OUT Audio master clock
*book referred to maker's semiconductor handbook
●
LC72725KV (IC761: X08) Port Description
Pin No. Pin Name I/O Description
1 RDS-ID/READY OUT RDS-ID/READY output
2 RDDA OUT RDS data output
3 Vref OUT Standard voltage output (Vdda/2)
4 MPXIN IN Base band (MPX) input
5 Vdda - Analog power supply (+3V)
6 Vssa - Analog gnd.
7 FLOUT OUT Sub carrier output (Filter output)
8 CIN IN Sub carrier input (Comparator input)
9 TEST IN Test signal input
10 MODE IN Read mode setting (0: master, 1: slave)
11 Vssd - Digital gnd.
12 Vddd - Digital power supply (+3V)
13 XIN IN Crystal oscillator input (External standard signal input)
14 XOUT OUT Crystal oscillator output (4.332MHz)
15 RST IN RDS-ID/RAM reset
16 RDCL IN/OUT RDS clock output (master), RDS clock input (slave)
*book referred to maker's semiconductor handbook
CIRCUIT DESCRIPTION
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