Aiwa XP-R231AHR Service Manual page 22

Pin No. Pin Name
42 DSLF
43 DRF
44 PLLF
45 VCOF
46 AVDD2
47 AVSS2
48 OUTL
49 AVSS1
50 OUTR
51 AVDD1
52 FSEL
53 TMOD1
54 TMOD2
55 FLAG
56 IPFLAG
57 EXT0
58 EXT1
59 IOVDD2
60 TX
61 MCLK
62 MDATA
63 MLD
64 BLKCK
65 PWMSEL
66 SMCK
67 DMUTE
68 STAT
69 NRST
70 SPPOL
71 PMCK
72 NCLDCK
73 SUBC
74 SBCK
75 NTEST
76 X2
77 X1
78 VDSS1
79 DVDD1
80 EXT2
I/O
O DSL loop filter terminal.
O Bias terminal for DSL.
O PLL loop filter terminal.
O Jitter free VCO loop filter terminal.
I Analogue circuit power (for DSL, PLL, VCOF, AD, DA).
I Analogue circuit GND (for DSL, PLL, VCOF, AD, DA).
O Lch audio output.
I Analogue circuit GND.
O Rch audio output.
I Analogue circuit power.
I Noise filter on/off switch input. "L": On, "H": Off. (Connected to VDD)
I Terminal mode switch input terminal 1. Normally set to "L". (Connected to GND)
I Terminal mode switch input terminal 2. Normally set to "L". (Connected to GND)
O Flag signal output. (Not used)
O Interpolation flag signal output. "H": Interpolation. (Not used)
I/O Extension input/output port 0. (Not used)
I/O Extension input/output port 1. (Not used)
I I/O power supply.
O Digital audio interface output signal. (Not used)
I Microcomputer command clock signal input. (Data is latched at loading edge)
I Microcomputer command data signal input.
I Microcomputer command load signal input. "L": Load.
O Sub-code block clock signal fBLKCK = 75Hz. (In normal PLAY mode)
I/O PWM output mode select input. (Connected to GND)
O 4.236MHz/8.4672MHz clock signal output. (Not used)
I Muting input. "H": Mute. (Connected to GND)
O Status signal output.
I Reset input. "L": Reset.
O Spindle motor drive signal output. (Polar output)
O 88.2kHz clock signal output. (Not used)
O Sub-code frame clock signal output = 7.35kHz ( In normal PLAY mode ) (Not used)
O Sub-code serial output. (Not used)
O Clock input for sub-code serial output. (Connected to GND)
I Test terminal, normally set to "H". (Connected to VDD)
O Quartz oscillator circuit output terminal f = 16.93MHz.
I Quartz oscillator circuit input terminal f = 16.93MHz.
I Digital circuit GND.
I Digital circuit power.
I/O Extension input/output port 2. (Not Used)
Description
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