Yamaha MCR-E810 Service Manual page 22

RX-E810/RX-E410/NX-E800
IC501 : M66003-0131FP (OPERATION P.C.B.)
FL display driver
Pin No. Symbol Name
1 RESET RESET
CS CEFD
2
3 SCK CKFD
4 SDATA DTFD
5 Vss Vss
6 XOUT XOUT
7 XIN XIN
8 Vcc1 Vcc1
9 SEG34 P1
10 SEG33 P2
11 SEG32 P3
SEG31 P4
12
13 SEG30 P5
14 SEG29 P6
15 SEG28 P7
16 SEG27 P8
17 SEG26 P9
18 Vcc2 Vcc2
19 SEG25 P10
20 SEG24 P11
21 SEG23 P12
SEG22 P13
22
23 SEG21 P14
24 SEG20 P15
25 SEG19 P16
26 SEG18 P17
27 SEG17 P18
28 SEG16 P19
29 SEG15 P20
30 SEG14 P21
31 SEG13 P22
32 SEG12 P23
33 SEG11 P24
34 SEG10 P25
35 SEG09 P26
36 SEG08 P27
37 SEG07 P28
38 SEG06 P29
39 SEG05 P30
40 SEG04 P31
41 SEG03 P32
42 SEG02 P33
43 SEG01 P34
44 SEG00 P35
45 SEG35 N.C.
46 DIG17/SEG36 N.C.
47 DIG16/SEG37 N.C.
48 DIG15/SEG38 G16I
49 DIG14/SEG39 G15
50 DIG13/SEG40 G14
51 DIG12/SEG41 G13
52 DIG11/SEG42 G12
53 DIG10 G11
54 DIG09 G10
55 DIG08 G9
56 DIG07 G8
57 DIG06 G7
58 DIG05 G6
59 DIG04 G5
60 DIG03 G4
61 DIG02 G3
62 DIG01 G2
63 DIG00 G1
64 VP VP
22
Reset input When "L", M66003 is initialized.
Chip select input When "L", communication with the MCU is possible.
Shift clock input When "H", any instruction from the MCU is neglected.
Serial data input Serial input data is taken and shifted by the positive edge of SCK.
GND (0V)
Clock out When use as a CR oscillator, connect external resistor and capacitor.
Clock in When use an external clock input external clock to XIN, and XOUT must be opened.
Positive power supply for internal logic.
Connect to segment (anode) pins of VFD. Pins from SEG00 to SEG42 corre-
spond to segment pins of VFD as shown in the table below. SEG36–SEG42 pins
Segment output
are common to DIG11–DIG17 pins. So when use SEG36–SEG42, the number of
digit to be used is decreased.
Positive power supply for DIG and SEG outputs.
Connect to segment (anode) pins of VFD. Pins from SEG00 to SEG42 corre-
spond to segment pins of VFD as shown in the table below. SEG36–SEG42 pins
Segment output
are common to DIG11–DIG17 pins. So when use SEG36–SEG42, the number of
digit to be used is decreased.
Connect to segment (anode) pins of VFD. Pins from SEG00 to SEG42 corre-
spond to segment pins of VFD as shown in the table below. SEG36–SEG42 pins
Digital output /
are common to DIG11–DIG17 pins. So when use SEG36–SEG42, the number of
Segment output
digit to be used is decreased. / Connect to digit (grid) pins of VFD.
Connect to digit (grid) pins of VFD.
Digital output
Negative power supply to pull down.
Function