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PDF UPD17202AGF-011-3BE Data sheet ( Hoja de datos )
| Número de pieza | UPD17202AGF-011-3BE | |
| Descripción | 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND KEY SCAN CIRCUIT FOR FPC FRONT PANEL CONTROLLER | |
| Fabricantes | NEC | |
| Logotipo |  |
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PRELIMINARY DATA SHEET
MOS INTEGRATED CIRCUIT
µPD17202AGF-011
4-BIT SINGLE-CHIP MICROCONTROLLER
WITH LCD CONTROLLER/DRIVER AND KEY SCAN CIRCUIT
FOR FPC (FRONT PANEL CONTROLLER)
The µPD17202AGF-011 is a CMOS microcontroller for the FPC (Front Panel Controller) of a car stereo system.
This microcontroller is housed in a 64-pin QFP and is provided with an LCD controller/driver and key scan circuit,
enabling the reduction of the amount of wiring between the front panel of the car stereo system and the master
microcontroller.
FEATURES
• LCD controller/driver
: Can display up to 75 segments.
1/3 duty, 1/3 bias, frame frequency: 325.5 Hz
• Key scan circuit
: Can read up to 30 (5 × 6) keys.
• LED output
: 1 pin
• 3-wire serial communication mode : CLOCK, DATA, and LOAD pins
• Supply voltage
: VDD = 4.5 to 5.5 V
• System clock
: fX = 8 MHz
ORDERING INFORMATION
Part Number
µPD17202AGF-011-3BE
Package
64-pin plastic QFP (14 × 20 mm, 1.0-mm pitch)
The information in this document is subject to change without notice.
Document No. U12127EJ1V0DS00 (1st edition)
Date Published May 1997 N
Printed in Japan
©
1997
1 page  
µPD17202AGF-011
Pin No.
42
43
44, 45
50, 51
52, 53
54
46
47
48
49
55
Symbol
BLANK
DATA
IC
VDD
XIN
XOUT
RESET
VLCDC
Pin Name
Blank input
Serial data I/O
Internally connected
Power supply
Crystal resonator
Description
By connecting an external controller to this pin, the display
of the LCD panel can be turned ON/OFF.
Input level LCD display status
Low Lights
High
Extinguishes
To control this pin, connect it to an external controller via
pull-up resistor; otherwise, connect it to GND via pull-down
resistor.
Serial communication data I/O pin.
This pin outputs data from the rising edge of the LOAD pin
(pin 28) after a key data output signal has been received,
to the next rising edge; otherwise, it inputs data.
Connect nothing to these pins.
Connect these pins to GND via pull-down resistor.
Short-circuit pins 52 and 53.
Connect this pin to VDD.
This is a common power supply pin (VDD = 2.2 to 5.5 V).
These pins are used to connect a crystal resonator.
Connect an 8-MHz ceramic oscillator or crystal resonator
to these pins. The accuracy of the watch is influenced
only by the oscillation frequency of the oscillator.
I/O Format
Input
N-ch open-
drain output
–
–
Input
–
Reset input
LCD reference
voltage adjustment
Reset input.
This pin is used to adjust the reference voltage for the
LCD driver.
Example
Input
–
µPD17202AGF-011
VLCDC
VLCD0
VLCD1
VLCD2
CAPL
CAPH
55
56
57 0.47µF
59 0.47µF
60 0.47µF
0.47µF
61
2 MΩ
56
VLCD0
LCD regulator
LCD regulator pin.
57 VLCD1
59 VLCD2
–
60 CAPL LCD boosting These pins connect a capacitor used to boost the LCD
61 CAPH capacitor
driver voltage.
Connect a capacitor of 0.47 µF between the CAPL and
CAPH pins.
–
62
COM0 Common signal
These pins output the common signals of the LCD
to
to output of LCD
controller/driver.
64 COM2 controller/driver
CMOS 3-
state output
5
5 Page 
Segment
Data Name
D40
D39
D38
D37
D36
D35
D34
D33
D32
D31
D30
D29
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D17
D16
D15
D14
D13
D12
D11
D10
A
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
µPD17202AGF-011
Table 4-2. Display Data Table
B
B0
B1
B2
B3 Note
B4
B5
B6
B7
B8 Note
B9
B10
B11
B12
B13 Note
B14
B15
B16
B17
B18 Note
B19
B20
B21
B22
B23 Note
B24
B25
B26
B27
B28
B29
B30
Segment
Data Name
D9
D8
D7
D6
D5
D4
D3
D2
D1
A
A31
A32
A33
A34
A35
A36
A37
A38
A39
B
B31
B32
B33
B34
B35
B36
B37
B38
B39
Note The data of segments B3, B8, B13, B18, and
B23 are invalid. Do not input anything for these
data.
11
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| PDF Descargar | [ Datasheet UPD17202AGF-011-3BE.PDF ] | |
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