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Электронный компонент: UPD7228A

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MOS INTEGRATED CIRCUIT



PD16434
1/8, 1/16 DUTY LCD CONTROLLER/DRIVER
Document No. S10299EJ4V0DS00 (4th edition)
Date Published April 2000 NS CP(K)
Printed in Japan
DATA SHEET
1994, 1999
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.
The mark
5
5
5
5
shows major revised points.
DESCRIPTION
PD16434 is LCD controller/driver containing the interfacing features for a dot-matrix mode 8-, 16-time division
LCD and a microprocessor.
PD16434 contains a 5- by 7-dot matrix character generator corresponding to
ASCII/JIS. Therefore, user original patterns can be easily displayed.
FEATURES
DOT matrix LCD controller/driver
8- or 16-time division drive possible with a single chip
8-time-division
:
400 (50 by 8) dots
16-time-division
:
672 (42 by 16) dots
8- or 16-time division drive possible with no chip
8-time-division
:
n
400 (50 by 8) dots
16-time-division
:
n
800 (50 by 16) dots
Display data storage RAM
:
20
50
8 bits
Programmer specified dot (graphic) display
Capable of alphanumeric and symbolic displays thorough built-in ROM (5 by 7 dots)
160 characters
Parallel data input/output (Switch able between 4 and 8 bits)
Cursor manipulation command
Upgraded version of
PD7228,
PD7228A,
PD7229,
PD7229A
ORDERING INFORMATION
Part Number
Package
PD16434G-xxx-12
80-PIN PLASTIC QFP (14
20)
PD16434G-001-12
80-PIN PLASTIC QFP (14
20), Standard ROM code
PD16434GF-xxx-3B9
80-PIN PLASTIC QFP (14
20)
Note
PD16434GF-001-3B9
80-PIN PLASTIC QFP (14
20), Standard ROM code
Note
Note This package is only available in European market.
5
5
Data Sheet S10299EJ4V0DS00
2



PD16434
PIN CONFIGURATION (Top View)
PD16434G-xxx-12
80-PIN PLASTIC QFP (14
20)
PD16434GF-xxx-3B9
80-PIN PLASTIC QFP (14
20)
1
C38
2
C39
3
C40
4
C41
5
C42/R15
6
C43/R14
7
C44/R13
8
C45/R12
9
C46/R11
10
C47/R10
11
C48/R9
12
C49/R8
13
R15/R7
14
R14/R6
15
R13/R5
16
R12/R4
17
R11/R3
18
R10/R2
19
R9/R1
20
R8/R0
21
V
LC5
22
V
LC1
23
NC
24
V
LC4
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
C21
C20
C19
C18
C17
C16
C15
C14
C13
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
C0
NC
CLOCK
80
C37
79
C36
78
C35
77
C34
76
C33
75
C32
74
C31
73
C30
72
C29
71
C28
70
C27
69
C26
68
C25
67
C24
66
C23
65
C22
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
V
LC2
V
LC3
D0/SI
D1(P, /S)
D2(CAE)
D3/SO
SYNC
/BUSY
V
DD
V
SS
/STB, /SCK
C, /D
CA0
CA1
/CS
RESET
Remark /xxx indicates active low signal.
5
D
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ta S
heet S
10299E
J4V
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P
D
16434
BLOCK DIAGRAM
ROW DRIVER
8
16
R0/R8 to R7/R15
ROW/COLUMN
DRIVER
8
16
R8/C49 to R15/C42
8
COLUMN DRIVER
42
C0 to C41
16
R-S
R-NS
C-S
C-NS
42
DATA MEMORY
BANK 0
(50 x 8 BITS)
DATA MEMORY
BANK 1
(50 x 8 BITS)
16
50
50
R-S
R-NS
C-S
C-NS
LCD
VOLTAGE
CONTROL
V
DD
V
LC1
V
LC2
V
LC3
V
LC4
V
LC5
V
SS
SYNC
LCD TIMING
CONTROL
16
CLOCK
BUFFER
SYSTEM
CLOCK
CONTROL
CLOCK
STOP
COMMAND
DECODER
DATA
POINTER
CHARACTER
GENERATOR
(160 x 5 x 7 BITS)
8
8
/CS
CA1
CA0
C, /D
/BUSY
/STB, /SCK
D3/SO
D2(CAE)
D1(P, /S)
D0/SI
RESET
SERIAL/PARALLEL INTERFACE
8
8
8
7
Data Sheet S10299EJ4V0DS00
4



PD16434
TABLE OF CONTENTS
1. PIN FUNCTIONS ............................................................................................................
1.1 D0 to D3 (Data Bus) ... 3-state input/output .................................................................................
1.2 SI (Serial Data In) ... Also serves as D0 input ..............................................................................
1.3 SO (Serial Data Out) ... Also serves as D3 output ........................................................................
1.4 P, /S (Parallel/Serial Select) ... Also serves as D1 input ...............................................................
1.5 CAE (Chip Address Enable) ... Also serves as D2 input ...............................................................
1.6 CA0, CA1 (Chip Address) ... Input .............................................................................................
1.7 /CS (Chip Select) ... Input .........................................................................................................
1.8 /STB, /SCK (Strobe/Serial Clock) ... Input ...................................................................................
1.9 C, /D (Command/Data) ... Input .................................................................................................
1.10 /BUSY (Busy) ... 3-state output ...............................................................................................
1.11 SYNC (Synchronous) ... 3-state input/output ............................................................................
1.12 C0 to C41 (Column) ... Output .................................................................................................
1.13 R8/C49 to R15/C42 (Row/Column) ... Output ..............................................................................
1.14 R0/R8 to R7/R15 (Row) ... Output .............................................................................................
1.15 V
LC1
to V
LC5
(LCD Drive Voltage Supply) ... Input .......................................................................
1.16 CLOCK (Clock) ... Input .........................................................................................................
1.17 RESET (Reset) ... Input ..........................................................................................................
1.18 V
DD
.......................................................................................................................................
1.19 V
SS
.......................................................................................................................................
2. INTERNAL BLOCK FUNCTIONS ......................................................................................
2.1 Serial/Parallel Interface ............................................................................................................
2.2 Command Decoder .................................................................................................................
2.3 Character Generator ...............................................................................................................
2.4 Data Pointer ...........................................................................................................................
2.5 Data Memory ..........................................................................................................................
2.6 LCD Voltage Control Circuit .....................................................................................................
2.7 LCD Timing Control Circuit ......................................................................................................
2.8 Row/Column Driver .................................................................................................................
3. DATA INPUT/OUTPUT OPERATION .................................................................................
4. SELECTING
PD16434 INTERFACE FUNCTION WITH CPU ................................................
4.1 Functions of Shared Pins .........................................................................................................
4.2 Chip Address Selection Function ..............................................................................................
5. LCD DRIVE REFERENCE VOLTAGE SUPPLY ....................................................................
5.1 Supplying LCD Drive Reference Voltage by Resistor Network ......................................................
5.2 Reduction in Current Consumption by RESET Signal ..................................................................
6. DISPLAY EXAMPLES .....................................................................................................
7. STANDBY MODE ...........................................................................................................
7.1 Clearing Standby Mode ...........................................................................................................
6
6
6
6
6
6
6
7
7
7
7
8
9
9
9
9
9
9
9
9
10
10
11
11
14
15
19
19
19
21
27
27
28
29
29
30
31
35
35
Data Sheet S10299EJ4V0DS00
5



PD16434
7.2 Stopping Clock Supply and Retaining Data at Low Voltage in Standby Mode ............................
8. RESET OPERATION ..................................................................................................
9. COMMANDS ............................................................................................................
9.1 LCD Display Mode Setting Commands .................................................................................
9.2 Data Pointer Load Command ..............................................................................................
9.3 Data Processing Mode Setting Commands ...........................................................................
9.4 Memory Bit Manipulation Commands ...................................................................................
9.5 Standby Operation Setting Command ..................................................................................
10. SYSTEM CONFIGURATION EXAMPLE .......................................................................
11. ELECTRICAL SPECIFICATION ..................................................................................
12. PACKAGE DRAWINGS .............................................................................................
13. RECOMMENDED SOLDERING CONDITIONS ..............................................................
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47
48
49
60
62