Panasonic SA-PM28E, Service Manual

Page: 89 / 169

Pin No. Mark I/O Function
36 NRFDET I RF detection signal
input
Low: detection)
37 BDO I Dropout signal input
High: Dropout
38 LDON O Laser ON signal
output
High: ON
39 ARF I RF signal input
40 IREF I Reference current
input
41 ADPVCC I Voltage input for
supply voltage
monitor (analog input)
42 DSLF O DSL loop filter
43 RFSW
(DRF) I DSL loop filter
44 PLLF O PLL loop filter
45 PLLFO O PLL loop filter
46 AVDD2 I Power supply for
analog circuits (for
DSL, PLL and A/D)
47 AVSS2 I Ground for analog
circuits (for DSL, PLL
and A/D)
48 OUTL O L-ch audio output
49 AVSS1 I Ground for analog
circuits (for audio
output stage)
50 OUTR O R-ch audio output
51 AVDD1 I Power supply for
analog circuits (for
audio output stage)
52 DVSS3 I Ground for digital
circuits
53 DVDD3 I Power supply for
digital circuit
54 TMOD2 I Test input pin Low:
Normal
55 FLAG O Flag signal output
56 EXT2 I/O Expansion I/O port 2
57 EXT0 I/O Expansion I/O port 0
58 EXT1 I/O Expansion I/O port 1
59 IOVDD2 I Power supply for I/O
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