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UPD17717 Datasheet(PDF) 1 Page - NEC

No. de Pieza. UPD17717
Descripción  4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM
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Fabricante  NEC [NEC]
Página de inicio  http://www.nec.com/
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UPD17717 Datasheet(HTML) 1 Page - NEC

 
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µPD17717,17718,17719
MOS INTEGRATED CIRCUIT
Document No. U12330EJ1V0DS00 (1st edition)
Date Published May 1997 N
Printed in Japan
The
µPD17717, 17718, and 17719 are 4-bit single-chip CMOS microcontrollers containing hardware for
digital tuning systems.
Provided with a wealth of hardware, these microcontrollers are available in many variations of ROM and RAM
capacities to support various applications.
Therefore, a high-performance, multi-function digital tuning system can be configured with only one chip.
In addition, a one-time PROM model,
µPD17P719, which can be written only once and therefore is ideal for
program evaluation and small-scale production of a
µPD17717, 17718, or 17719 system, is also available.
FEATURES
Program memory (ROM)
Abundant peripheral hardware units
µPD17717
: 24K bytes (12288
× 16 bits)
General-purpose I/O ports, serial interfaces, A/D
µPD17718, 17719: 32K bytes (16384 × 16 bits)
converter, D/A converter (PWM output), BEEP
General-purpose data memory (RAM)
output, frequency counter
µPD17717, 17718: 1120 × 4 bits
Many interrupts
µPD17719
: 1776
× 4 bits
External: 6 sources
Instruction execution time
Internal : 6 sources
1.78
µs (with fX = 4.5-MHz crystal oscillator)
Power-ON reset, CE reset, and power failure
PLL frequency synthesizer
detection circuit
Dual modulus prescaler (130 MHz MAX.),
Supply voltage: VDD = 5 V
± 10 %
programmable divider, phase comparator, charge
pump
ORDERING INFORMATION
Part Number
Package
µPD17717GC-×××-3B9
80-pin plastic QFP (14
× 14 mm, 0.65 mm pitch)
µPD17718GC-×××-3B9
80-pin plastic QFP (14
× 14 mm, 0.65 mm pitch)
µPD17719GC-×××-3B9
80-pin plastic QFP (14
× 14 mm, 0.65 mm pitch)
Remark
××× indicates a ROM code suffix.
Unless otherwise specified, the
µPD17719 is treated as the representative model in this document.
4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED
HARDWARE FOR DIGITAL TUNING SYSTEM
©
1997
PRELIMINARY DATA SHEET
The information in this document is subject to change without notice.


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