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UPD78322GJ Datasheet

  • UPD78322GJ

  • 16/8-BIT SINGLE-CHIP MICROCONTROLLER

  • 470.46KB

  • 88頁(yè)

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD78320,78322
16/8-BIT SINGLE-CHIP MICROCONTROLLER
DESCRIPTION
The
碌
PD78322 is a 16-/8-bit single-chip microcontroller that incorporates a high-performance 16-bit CPU. The
碌
PD78322
is one of 78K/III series.
A realtime pulse unit for realtime pulse control required in motor control, an A/D converter, a ROM, and a RAM have been
integrated into one chip.
The
碌
PD78322 incorporates 16K-byte mask ROM and 640-byte RAM.
The
碌
PD78320 is provided as a ROM-less product of the
碌
PD78322. Also, the
碌
PD78P322 is provided as an on-chip
PROM product.
Detailed information about product features and specifications can be found in the following document.
碌
PD78322 User鈥檚 Manual : IEU-1248
FEATURES
鈥?/div>
Internal 16-bit architecture and external 8-bit data bus
鈥?/div>
High-speed processing by pipeline control and instruction prefetch
鈥?Minimum instruction execution time: 250 ns (with 16 MHz external clock in operation)
鈥?/div>
Instruction set suitable for control operations (
碌
PD78312 upward compatible)
鈥?Multiplication/division instruction (16 bits
脳
16 bits, 32 bits
梅
16 bits)
鈥?Bit manipulation instruction
鈥?String instruction, etc.
鈥?/div>
On-chip high-function interrupt controller
鈥?3-level priority specifiable
鈥?3-type interrupt servicing mode selectable
(Vectored interrupt function, context switching function, and macro service function)
鈥?/div>
Variety of peripheral hardware
鈥?Realtime pulse unit
鈥?8-channel, 10-bit A/D converter
鈥?Watchdog timer
鈥?/div>
Powerful serial interface (with an on-chip dedicated baud rate generator)
鈥?UART
路路路路路 1 channel
鈥?SBI (NEC Standard Serial Bus Interface)
鈥?3-wire serial I/O
路路路路路 1 channel
APPLICATIONS
鈥?/div>
Motor control devices
Unless there are any particular notices, the
碌
PD78322 is described as the representative model in this document.
The information in this document is subject to change without notice.
Document No. U10455EJ7V0DS00 (7th edition)
(Previous No. IC-2354)
Date Published November 1995 P
Printed in Japan
The mark
shows major revised points.
漏
1989

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