26
D-107
M66004FP (IC701)
RESET Reset Input
CS Chip Select Input
SCK Shift Clock Input
SDATA Serial Data Input
X
IN Clock Input
X
OUT Clock Output
DIG 00~
Digit Output
DIG 15
SEG 00~
Segment Output
SEG 35
P0, P1
VCC1
VCC2
Vss
Vp
Symbol Name Function
(Forwarding connection of segment output terminal.)
M66004FP Terminal Function
Initialzes internal state of M66004.
Able to communicate with MCU in "L" mode.
Command from MCU will be disregareded in "H" mode.
Shifts input data at rise from "L" to "H".
Inputs character code or command data needed to display from MSB.
Sets oscillation frquency by connecting external resistor and capacitor (maximum
oscillation frequency fosc (max)=1MHz). Also feasible to apply external clock. In this case,
inject external clock to Xin terminal and open Xout terminal.
Connect to digit terminal of VFD. DIG00~DIG15 correspond to the 1st figure to 16th figure
respectively.
Connect to segment terminal of VFD. For corresponding SEG00~SEG35 to segment
terminal of VFD, refer to the figure right.
Output port (static operation).
Positive power supply terminal for internal logic.
Positive power supply terminal for high tension output port.
GND terminal.
Negative power supply terminal for VFD drive.
in the right figure indicates 1 dot of segment, the figure in shows the segment output
terminal number (00~35) to be connected.
21
14
16
15
20
13
18
17
59
33
31
23
64
12
1
61
Display Control
R egister
C hip Select Input
S h ift C lo c k In p u t
S e ria l D a ta In p u t
CS
SCK
SDATA
D isplay C ode R egister
(8 -b it x 1 6 )
Serial
Reception
Circuit
code
write
C o d e /
C om m and
Control Circuit
RAM
write
DecoderDecoder
CGROM
(35-bit x 160)
CGROM
(35-bit x 16)
Segm ent
O utput
Circuit
SEG
SEG
SEG
SEG
00
26
27
35
Segm ent
O utput
O u tp u t P o rt
(2 -b it)
P0
P1
O u tp u t P o rt
R e s e t In p u t
RESET
C lo c k In p u t
XIN
C lock O utput
XOUT
Clock
G eneration
Circuit
code select
D is p la y C o n tro lle r
D igit O utput
Circuit
DIG
DIG
DIG
DIG
00
11
12
15
D igit O utput
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
DIG
11
DIG
10
DIG
09
DIG
08
DIG
07
DIG
06
DIG
05
DIG
04
DIG
03
DIG
02
DIG
01
DIG
00
RESET
CS
SCK
SDATA
PI
PO
Vcc1
X
out
X
in
Vss
SEG
35
SEG
34
SEG
33
SEG
32
SEG
31
SEG
30
SEG
29
SEG
28
SEG
27
Vp SEG
26
SEG
25
SEG
24
SEG
23
SEG
22
SEG
21
SEG
20
SEG
19
SEG
18
SEG
17
SEG
16
SEG
15
SEG
14
SEG
13
SEG
12
SEG
11
SEG
10
SEG
09
SEG
08
SEG
07
SEG
06
SEG
05
SEG
04
SEG
03
SEG
02
SEG
01
SEG
00
Vcc2
DIG
15
DIG
14
DIG
13
DIG
12
00 01 02 03 04
05 06 07 08 09
10 11 12 13 14
15 16 17 18 19
20 21 22 23 24
25 26 27 28 29
30 31 32 33 34
35
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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