Yamaha HTR-5635 Service Manual page 30

HTR-5635
IC301: M30624FGAFP (FUNCTION P.C.B.)
16bit µ-COM (Main CPU)
No. Port No. Function name
44 P52 /ICCS
45 P51 /CSOLD
46
47 P47 CSN
48 P46 VRB
49 P45 VRA
50 P44 /BLK
51 P43 SDTP
52 P42 SDRP
53 P41 SCKP
54 P40 CEFD
55 P37 /ST
56 P36 TMT
57 P35 TUNED
58 P34 RDSE
59 P33 CEP
60 P32 DEST
61 P31 I/E
62 Vcc Vcc
63 P30 CES
64 Vss Vss
65 P27 CMP1
66 P26 CMP0
67 P25 /VR2
68 P24 /VR1
69 P23 VIC
70 P22 VIB
71 P21 VIA
72 P20
73 INT5 REM1
74 INT4 PSW
75 INT3 PDET
76 P14 /MTMR
77 P13 /MTCT
78 P12 /MTSW
79 P11 TUN0
80 P10 TUN1
81 P07 CELC
82 P06 SDT
83 P05 SCK
84 P04 /SWMIX
85 P03 /CTMIX
86 P02 SEEV
87 P01 ICN
88 P00 A2GAIN
89 AN7 MODEL
90 AN6 ADKEY2
91 AN5 ADKEY1
92 AN4 ADKEY0
93 AN3 THM
94 AN2 PRV
95 AN1 PREMT
96 Avss Avss
97 AN0 PRD
98 Vref Vref
99 Avcc Avcc
100 P97 PRD
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I/O Detail of function
O CS493x RESET
O DIG EXTERNAL CONTROL IC CE
I
For Flash Writing (HI)
O
Chip Select for DAC
I Volume Rotary B
I Volume Rotary A
O
FL Driver Light Off (Reset)
SO PLL IC TxD
SI PLL IC RxD
SCK PLL IC CLOCK
O FL Driver CE
I (IPU) Tuner Stereo
O Tuner Mute
I (IPU) Tuner Tuned
O/I (IPU) RDS Enable/RDS Present/Absent
O PLL IC Chip Enable
I (IPU) FREQ SW (R Ver)
O External/Internal Synchronization Output
Vcc (BU) Microprocessor Power Supply, +5V
O/I (IPU) OSD Enable/ N/P Format
Vss Microprocessor Ground
O Component Selector 1
O Component Selector 0
O VIDEO Rec Out Selector 2
O VIDEO Rec Out Selector 1
O VIDEO Selector C
O VIDEO Selector B
O VIDEO Selector A
Open
INT
Remote Control Input
INT Standby SW Input
INT Power Down Detect INT
O Mute Main /Rear
O Mute Center
O Mute LFE
I (IPU)
Tuner Destination Identify 0
I (IPU)
Tuner Destination Identify 1
O CE for SANYO IC
O Audio IC Data
O Audio IC Clock
O LFE Mix
O Center Mix
O Electronic Volume IC Chip Enable
O Electronic Volume Reset
O For A2 Gain Setting
AD Model Identification
AD Key AD Input 2
AD Key AD Input 1
AD Key AD Input 0
AD Temperature Detect
AD Protection Power Supply Voltage Detect
AD Power Limiter Detect
Vss
AD Ground
I
Protection DC Detect
(+5v)
AD Reference
Vcc (BU)
AD Power Supply
AD DC Protection