UPD78323 NEC, UPD78323 Datasheet
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UPD78323
Manufacturer Part Number
UPD78323
Description
16/8-BIT SINGLE-CHIP MICROCONTROLLER
Manufacturer
NEC
Datasheet
1.UPD78323.pdf
(86 pages)
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Document No. U10456EJ4V0DS00 (4th edition)
(Previous No. IC-2870)
Date Published November 1995 P
Printed in Japan
DESCRIPTION
is one of 78K/III series. The internal capacity is significantly increased compared with the conventional PD78322.
integrated into one chip.
product.
FEATURES
APPLICATIONS
Unless there are any particular diferences, the PD78324 is described as the representative model in this document.
Powerful serial interface (with an on-chip dedicated baud rate generator)
Internal 16-bit architecture and external 8-bit data bus
High-speed processing by pipeline control and instruction prefetch
• Minimum instruction execution time: 250 ns (with 16 MHz external clock in operation)
Instruction set suitable for control operations ( PD78312 upward compatible)
• Multiply/divide instructions (16 bits
• Bit manipulation instruction
• String instruction, etc.
On-chip high-function interrupt controller
• 3-level priority specifiable
• 3-type interrupt processing mode selectable
Variety of peripheral hardware
• Realtime pulse unit
• 8-channel, 10-bit A/D converter
• Watchdog timer
• UART
• SBI (NEC Standard Serial Bus Interface)
• 3-wire serial I/O
Motor control devices
The PD78324 is a 16/8-bit single-chip microcontroller that incorporates a high-performance 16-bit CPU. The PD78324
A realtime pulse unit for realtime pulse control required in motor control, an A/D converter, a ROM, and a RAM have been
The PD78324 incorporates 32K-byte mask ROM and 1024-byte RAM.
The PD78323 is a ROM-less version of the PD78324. Also, It is provided the PD78P324 as an on-chip PROM
(Vectored interrupt function, context switching function, and macro service function)
Detailed information about product features and specifications can be found in the following document.
16/8-BIT SINGLE-CHIP MICROCONTROLLER
The information in this document is subject to change without notice.
16 bits, 32 bits
PD78322 User’s Manual : IEU-1248
The mark
DATA SHEET
····· 1 channel
····· 1 channel
shows major revised points.
16 bits)
PD78323,78324
MOS INTEGRATED CIRCUIT
©
1991
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