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PDF UPD16314GJ-001-8EU Data sheet ( Hoja de datos )

Número de pieza UPD16314GJ-001-8EU
Descripción DOT CHARACTER VFD CONTROLLER/DRIVER
Fabricantes NEC 
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DATA SHEET
MOS INTEGRATED CIRCUIT
µ PD16314
DOT CHARACTER VFD CONTROLLER/DRIVER
DESCRIPTION
The µ PD16314 is a VFD controller/driver capable of displaying a dot matrix VFD. It has 80 anode outputs and 24
grid outputs. A single µ PD16314 can display up to 16C x 2L, 20C x 2L, or 24C x 2L. The µ PD16314 has character
generator ROM in which 248 x 5 x 8 dot characters are stored.
FEATURES
Dot matrix VFD controller/driver
Capable of driving anodes for cursor display (48 units)
80 x 8 bits display RAM incorporated
Capable of alphanumeric and symbolic display through internal ROM (5 by 8 dots)
240 characters plus 8 user-defined characters
Display contents
16 columns by 2(1) rows + 32(16) cursors, 20 columns by 2(1) rows + 40(20) cursors,
or 24 columns by 2(1) rows + 48(24) cursors.
Parallel data input/output (switchable between 4 bits and 8 bits) or serial data input/output can be selected.
On-chip oscillator
Custom ROM supported
ORDERING INFORMATION
Part Number
µ PD16314GJ-001-8EU
µ PD16314GJ-002-8EU
Package
144-PIN PLASTIC LQFP(FINE PITCH)(20x20), Standard ROM (ROM code: 001)
144-PIN PLASTIC LQFP(FINE PITCH)(20x20), Standard ROM (ROM code: 002)
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S13231EJ1V0DS00 (1st edition)
Date Published March 2000 NS CP(K)
Printed in Japan
The mark shows major revised point.
©
1997

1 page




UPD16314GJ-001-8EU pdf
µ PD16314
3.2 Logic system (Microprocessor Interface)
Pin Symbol
Pin Name
Pin No. I/O
RS,STB
Register
select/strobe
13 I
/CS
E(/RD),
SCK
Chip select
Enable(read)/shift
clock
26
14
I
I
R,/W(/WR)
Read/write signal
(write)
12
I
SI,SO
Serial I/O
15 I/O
DB0 - DB7 Parallel data I/O 16 to 23 I/O
/RESET
Reset
7I
Output
CMOS-
3-states
CMOS-
3-states
Description
When Parallel data transfer is selected, this pin is Register
select.
L: Select instruction register(IR).
H: Select data register(DR).
When serial data transfer mode is selected, this pin is the
strobe input. Data can be input when this signal goes L.
Command processing is performed at the rising edge of this
signal.
When this pin is L, this device is active.
When M68 parallel data transfer mode is selected (E), this
pin is enabled. Data is written at the falling edge.
When i80 parallel data transfer selected (/RD), this pin is a
read-enable pin. When this pin is L, data is output to the
data bus.
When serial data transfer is selected, this pin is the shift
clock input. Data is written at the rising edge.
When M68 parallel data transfer mode is selected (R,/W),
this pin is the data transfer select pin.
L: Write
H: Read
When i80 parallel data transfer mode is selected (/WR), this
pin is written a write-enable pin. Data is written at rising
edge of this signal.
When serial data transfer mode is selected this pin is fixed
to H or L.
When serial data transfer mode is selected, this pin is used
as an I/O pin.
When parallel data transfer mode is selected, this pin is
fixed to H or L. DB0 to DB7
When parallel data transfer mode is selected, these pins
are used as I/O pins.
When 4-bits transfer mode is selected, DB4 to DB7 are
used. Data is transferred starting from the most significant
bit (MSB) and stored sequentially.
L: Initializes all the internal registers and commands.
Anode and grid outputs are fixed to VSS2.
Data Sheet S13231EJ1V0DS00
5

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UPD16314GJ-001-8EU arduino
µ PD16314
No. Name
1 VDD2
2 VSS2
3 VDD1
4 XOUT
5 OSCOUT
6 OSCIN
7 /RESET
8 TEST
9 DLS
10 DS1
11 DS0
12 R,/W(/WR)
13 RS,STB
14 E(/RD),SCK
15 SI,SO
16 DB0
17 DB1
18 DB2
19 DB3
20 DB4
21 DB5
22 DB6
23 DB7
24 IM
25 MPU
26 /CS
27 R,L1
28 R,L2
29 /CL
30 LE
31 SDO
32 SLK
33 TESTOUT
34 VSS1
35 VSS2
36 VDD2
Table 54. Anode Pin Layout (When R,L1 = H, R,L2 = L)
No. Name
37 N.C.
38 A41
39 A42
40 A43
41 A44
42 A45
43 A46
44 A47
45 A48
46 A49
47 A50
48 A51
49 A52
50 A53
51 A54
52 A55
53 A56
54 A57
55 A58
56 A59
57 A60
58 A61
59 A62
60 A63
61 A64
62 A65
63 A66
64 A67
65 A68
66 A69
67 A70
68 A71
69 A72
70 A73
71 A74
72 N.C.
No. Name
73 A75
74 A76
75 A77
76 A78
77 A79
78 A80
79 A40
80 A39
81 A38
82 A37
83 A36
84 A35
85 A34
86 A33
87 A32
88 A31
89 A30
90 A29
91 A28
92 A27
93 A26
94 A25
95 A24
96 A23
97 A22
98 A21
99 A20
100 A19
101 A18
102 A17
103 A16
104 A15
105 A14
106 A13
107 A12
108 A11
No.
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
Name
N.C.
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
G24
G23
G22
G21
G20
G19
G18
G17
G16
G15
G14
G13
G12
G11
G10
G9
G8
G7
G6
G5
G4
G3
G2
G1
N.C.
Data Sheet S13231EJ1V0DS00
11

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