TDA7514
Table 37. SUBADDRESS 21 : SD pin configuration, Smeter test MUXer
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
SD pin configuration
0 0 IFC AND FS Stop Station (output)
0 1 IFC (output)
1 0 FS Stop Station (output)
1 1 test (tristate)
pin #SD used as:
output from ISS AC det
output from ISS MP detinput to
ISS AC driver
input to ISS MP driver
SMETER TEST MUXER
000000
test off
000001
AM AGC1W OFFSET
000010
AMAGC1N OFFSET
000011
AM AGC1UN OFFSET
000100
FM MULTIPATH PEAK
000101
FM SD THR
000110
AM IF2AMP OUT
000111
AM SD THR
001000
FM W/KAGC OUT
001001
not used
001010
FM DEMODADJ OUT
001011
FM DEMODADJMUTE OUT
001100
INLOCK
001101
FM SMETERISSON THR
001110
FM SMETERISSON BIT
001111
FM ISSFILTER INPUT (OUT) [if byte<16>bit<6>=1]
010000
456KVCOADJ SET456 BIT
010001
456KVCOADJ ENIFC BIT
010010
456KVCOADJ CHECK BIT
010011
456KVCOADJ Q21 BIT
010100
FM SMETERUNFILTERED
010101
QUAL SMETERX1
010110
QUAL SMETER1ms
010111
QUAL USN
011000
STD NOISE
011001
FM ADJCHMUTE REF
011010
FM SOFMUTE REF
011011
AM IFNBSMETERtoSD COMMAND [must put SD in tristate]
011100
AM IFNB FASTRECT OUT
011101
AM IFNB SLOWRECT OUT
011110
AM IFNB BLANK PULSE
011111
AM IFNB SMETDESENS THR
100000
FM NAGC OUT
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