Yamaha TSS-10, Service Manual

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TSS-10
17
TSS-10
No. Port Name I/O Detail of function
31 TXD1 TXDF FLASH Flash ROM serial write data transmission
32 RXD1 RXDF FLASH Flash ROM serial data reception
33 CLK1 CLKF FLASH Flash ROM serial clock
34 P64 BSY FALSH Flash BUSY signal output
35 TXD0 SDT SO CODEC DATA OUT
36 P62
37 CLK0 SCK SCK CODEC CLK OUT
38 P60
39 P57
40 P56
41 GND For flash writing (LO)
42 P54
43 P53
44 P52
45 P51
46 I For flash writing (HI)
47 P47 2E_CE O EEPROM CE
48 P46 VRB I Volume Rotary B
49 P45 VRA I Volume Rotary A
50 P44
51 P43
52 P42
53 P41
54 P40
55 P37 LK1 O LED
56 P36 LK2 O LED
57 P35 LK3 O LED
58 P34 LK4 O LED
59 P33 LK5 O LED
60 P32 LK6 O LED
61 P31 LK7 O LED
62 Vcc Vcc O Power supply to micropro5V
63 P30 LK8 O LED
64 Vss Vss Vss Microprocessor ground
65 P27 LA1 O LED
66 P26 LA2 O LED
67 P25
68 P24
69 P23
70 P22
71 P21
72 P20
73 INT5
74 INT4 PSW INT Standby SW INPUT
75 INT3 PDET INT Power Down DETECT INT
76 P14 SPMUTE O MUTE SPOUT
77 P13 HPMUTE O MUTE HEADPHONE/SPOUT (FL, FR)
78 P12 STBY O Power IC standby
79 P11
80 P10
81 P07
82 P06
83 P05
84 P04
85 P03 CDRST O CODEC reset
86 P02 VCE O Electronic volume IC Chip Enable
87 P01 VINT O Electronic volume DC bias initialize
88 P00 O
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