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What is UPD780983?

This electronic component, produced by the manufacturer "NEC", performs the same function as "8-BIT SINGLE-CHIP MICROCONTROLLERS".


UPD780983 Datasheet PDF - NEC

Part Number UPD780983
Description 8-BIT SINGLE-CHIP MICROCONTROLLERS
Manufacturers NEC 
Logo NEC Logo 


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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD780982, 780983, 780984, 780986, 780988, 780982(A), 780983(A), 780984(A), 780986(A), 780988(A)
8-BIT SINGLE-CHIP MICROCONTROLLERS
The µPD780982, 780983, 780984, 780986, 780988, 780982(A), 780983(A), 780984(A), 780986(A), and
780988(A) are members of the µPD780988 Subseries of the 78K/0 Series. These microcontrollers are suitable for
general-purpose inverter control.
The µPD780988 Subseries provides expanded internal ROM and RAM capacities as well as inverter control,
timers, and serial interfaces.
The µPD780982(A), 780983(A), 780984(A), 780986(A), and 780988(A) are applied a stricter quality assurance
program than the µPD780982, 780983, 780984, 780986, and 780988 (standard grade) (NEC classifies these
products as special grade in its quality grade classification).
A flash memory version, the µPD78F0988, which can operate within the same power supply voltage range as the
mask ROM version, and various development tools are also available.
Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before
designing.
µPD780988 Subseries User’s Manual: U13029E
78K/0 Series User’s Manual Instructions: U12326E
FEATURES
On-chip ROM and RAM
Part Number
Item
Program
Memory
(ROM)
µPD780982, 780982(A)
16 KB
µPD780983, 780983(A)
24 KB
µPD780984, 780984(A)
32 KB
µPD780986, 780986(A)
48 KB
µPD780988, 780988(A)
60 KB
Note Only for standard-grade products
Data Memory
Internal High-
Speed RAM
Internal
Expansion RAM
1024 bytes
None
Package
64-pin plastic SDIP (19.05 mm (750))Note
64-pin plastic QFP (14 × 14)
1024 bytes
External memory expansion space:
256 bytes (except µPD780988 and 780988(A))
Minimum instruction execution time:
0.24 µs (@ fX = 8.38 MHz operation)
I/O ports: 47
Timer outputs for 10-bit inverter control: 6
8-bit real-time output ports: 8
10-bit resolution A/D converter: 8 channels
Serial interface: 3 channels
Timer: 7 channels
Power supply voltage: VDD = 4.0 to 5.5 V
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. U12804EJ3V0DS00 (3rd edition)
Date Published December 2000 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1998, 1999

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UPD780983 equivalent
µPD780982,780983,780984,780986,780988,780982(A),780983(A),780984(A),780986(A),780988(A)
OVERVIEW OF FUNCTIONS
Item
Part Number
Internal memory ROM
High-speed RAM
Expansion RAM
Memory space
General-purpose registers
Minimum instruction execution time
Instruction set
I/O ports
Real-time output ports
A/D converter
Serial interfaces
Timers
Timer output
Vectored interrupt
sources
Maskable
Non-maskable
Software
Power supply voltage
Operating ambient temperature
Package
µPD780982
µPD780983
µPD780984
µPD780986
µPD780988
µPD780982(A) µPD780983(A) µPD780984(A) µPD780986(A) µPD780988(A)
16 KB
24 KB
32 KB
48 KB
60 KB
1024 bytes
None
1024 bytes
64 KB
8 bits × 32 registers (8 bits × 8 registers × 4 banks)
On-chip minimum instruction execution time variable function
0.24 µs/0.48 µs/0.96 µs/1.9 µs/3.8 µs (@ 8.38 MHz operation with system clock)
16-bit operation
Multiply/divide (8 bits × 8 bits, 16 bits ÷ 8 bits)
Bit manipulation (set, reset, test, Boolean operation)
BCD adjust, etc.
Total:
47
CMOS inputs:
CMOS I/O:
8
39
8 bits × 1 or 4 bits × 2
6 bits × 1 or 4 bits × 1
10-bit resolution × 8 channels
Power supply voltage: AVDD = 4.0 to 5.5 V
UART mode: 2 channels
3-wire serial I/O mode: 1 channel
16-bit timer/event counter: 2 channels
8-bit timer/event counter: 3 channels
10-bit inverter control timer: 1 channel
Watchdog timer:
1 channel
11 (General-purpose output: 5, inverter control output: 6)
Internal: 16, external: 8
Internal: 1
1
VDD = 4.0 to 5.5 V
TA = 40 to +85°C
64-pin plastic SDIP (19.05 mm (750))Note
64-pin plastic QFP (14 × 14)
Note Only for standard-grade products
Data Sheet U12804EJ3V0DS00
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPD780983 electronic component.


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