Yamaha RX-V461 Service Manual page 39

RX-V461/HTR-6040/DSP-AX461
Pin No. Port Name Function Name
1 Reset
2 CS
3 SCK
4 SDATA
5 Vss
6 XOUT
7 XIN
8 Vcc1
9 SEG34
10 SEG33
11 SEG32
12 SEG31
13 SEG30
14 SEG29
15 SEG28
16 SEG27
17 SEG26
18 Vcc2
19 SEG25
20 SEG24
21 SEG23
22 SEG22
23 SEG21
24 SEG20
25 SEG19
26 SEG18
27 SEG17
28 SEG16
29 SEG15
30 SEG14
31 SEG13
32 SEG12
33 SEG11
34 SEG10
35 SEG09
36 SEG08
37 SEG07
38 SEG06
39 SEG05
40 SEG04
41 SEG03
42 SEG02
43 SEG01
44 SEG00
45 SEG35
46 DIG17/SEG36
47 DIG16/SEG37
48 DIG15/SEG38
49 DIG14/SEG39
50 DIG13/SEG40
51 DIG12/SEG41
52 DIG11/SEG42
53 DIG10
54 DIG09
55 DIG08
56 DIG07
57 DIG06
58 DIG05
59 DIG04
60 DIG03
61 DIG02
62 DIG01
63 DIG00
64 Vp
52
I/O
/RESET Reset input When "L", M66003 is initialized
/CEFL Chip select input When "L", communication with the MCU is possible
When "H", any instruction from the MCU is neglected
CKFL Shift clock input
Serial input data is taken and shifted by the positive edge of SCK
DTFL Serial data input
VSS GND (0V)
XOUT Clock output When use as a CR oscillator, connect external resistor and capacitor / When
XIN Clock input use an external clock, input external clock to XIN, and XOUT must be opened
VDD Positive power supply for internal logic
P1I Segment output
P2 Segment output
P3 Segment output
P4 Segment output
P5 Segment output Positive power supply for DIG and SEG outputs
P6 Segment output
P7 Segment output
P8 Segment output
P9 Segment output
VDD
P10 Segment output
P11 Segment output
P12 Segment output
P13 Segment output
P14 Segment output
P15 Segment output
P16 Segment output
P17 Segment output
P18I Segment output
P19 Segment output
P20 Segment output
P21 Segment output
P22 Segment output
P23 Segment output
Connect to segment (anode) pins of VFD
P24 Segment output
P25 Segment output
P26 Segment output
P27 Segment output
P28 Segment output
P29 Segment output
P30 Segment output
P31 Segment output
P32 Segment output
P33 Segment output
P34 Segment output
P35 Segment output
P36 Segment output
P37 Segment output
G17I Digit output
G16I Digit output
G15I Digit output
G14 Digit output
G13 Digit output
G12 Digit output
G11 Digit output
G10 Digit output
G9 Digit output Connect to digit (grid) pins of VFD
G8 Digit output
G7 Digit output
G6 Digit output
G5 Digit output
G4 Digit output
G3 Digit output
G2 Digit output
G1 Digit output
VP Negative power supply to pull down
Detail of Function