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UPD178004A Datasheet(PDF) 1 Page - NEC

No. de Pieza. UPD178004A
Descripción  8-BIT SINGLE-CHIP MICROCONTROLLERS
Descarga  56 Pages
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Fabricante  NEC [NEC]
Página de inicio  http://www.nec.com/
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UPD178004A Datasheet(HTML) 1 Page - NEC

 
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©
1997
DATA SHEET
µPD178004A,178006A,178016A,178018A
MOS INTEGRATED CIRCUIT
The
µPD178004A, 178006A, 178016A and 178018A are 8-bit single-chip CMOS microcontrollers that incorporate
hardware for digital tuning systems.
The CPU uses the 78K/0 architecture, which makes it easy to implement high-speed access to internal memory
and control of peripheral hardware. Also, the instructions used are the high-speed 78K/0 instructions, suitable for
system control.
The rich assortment of peripheral hardware includes an input/output port, 8-bit timer, A/D converter, serial interface,
power-ON clear circuits, as well as a pre-scaler for digital tuning, a PLL frequency synthesizer and a frequency counter.
The
µPD178P018A, one-time PROM or EPROM versions which can be operated in the same supply voltage range
as for the mask ROM versions, and various development tools, are also available.
For more information on functions, refer to the following User’s Manuals. Be sure to read them when
designing.
µPD178018A Subseries User’s Manual: to be prepared
78K/0 Series User’s Manual Instruction: U12326E
FEATURES
• Internal high-capacity ROM and RAM
8-BIT SINGLE-CHIP MICROCONTROLLERS
• Instruction Cycle: 0.44
µs (4.5-MHz crystal oscillator used)
• Large array of on-chip peripheral hardware
General-purpose input/output port, A/D converter, serial interface, timer, frequency counter, power-ON clear
circuits.
• On-chip hardware for a PLL frequency synthesizer.
Dual modulus pre-scaler, programmable divider, phase comparator, charge pump.
• Vector interrupt sources: 17
• Supply Voltage: VDD = 4.5 to 5.5 V (during PLL operation)
VDD = 3.5 to 5.5 V (during CPU operation, when the system clock is fX/2 or lower)
VDD = 4.5 to 5.5 V (during CPU operation, when the system clock is fX)
Items
Program Memory
Data Memory
Product Name
ROM
Internal High-Speed RAM
Buffer RAM
Internal Expanded RAM
µPD178004A
32 Kbytes
1 024 bytes
32 bytes
Not provided
µPD178006A
48 Kbytes
µPD178016A
2 048 bytes
µPD178018A
60 Kbytes
The information in this document is subject to change without notice.
Document No. U12641EJ1V0DS00 (1st Edition)
Date Published July 1997 N
Printed in Japan


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