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UPD70433R-16 Datasheet

  • UPD70433R-16

  • V55PITM 16-BIT MICROPROCESSOR

  • 166頁

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
PD70433
V55PI
TM
16-BIT MICROPROCESSOR
DESCRIPTION
The
PD70433 (V55PI) is a microprocessor in which a 16-bit CPU, RAM, serial interface, parallel interface, A/D
converter, timers, DMA controller, interrupt controller, etc., are integrated in a single chip.
The V55PI is software-compatible with the
PD70320 and 70330 (V25
TM
and V35
TM
) single-chip microcontrollers. The
V55PI provides a migration path from the V25. It offers higher-level functions and higher performance, and is particularly
suitable for control of data processing systems associated with mechanical control, including printer and facsimile.
Detailed functions are described in the following user鈥檚 manuals, which should be read when carrying out
design work.
鈥?V55PI User鈥檚 Manual Hardware
鈥?V55PI User鈥檚 Manual Instruction
: U10514E
: U10231E
FEATURES
鈥?/div>
Internal 16-bit architecture, selectable external data bus width (16/8 bits)
鈥?/div>
Software compatible with V20
TM
and V30
TM
(native mode) and V25 and V35 (includes additional instructions)
鈥?/div>
Minimum instruction cycle: 160 ns/12.5 MHz (external 25 MHz)
125 ns/16 MHz (external 32 MHz)
鈥?/div>
Address space: 16M bytes:
1-Mbyte basic memory space
16-Mbyte extended memory space
鈥?/div>
Register file space (in on-chip RAM) : 512 bytes/16 register banks
鈥?/div>
I/O space : 64K bytes
鈥?/div>
Automatic wait control with memory space divided in variable sizes (max. 6 blocks)
鈥?/div>
I/O line (input ports: 11 bits, input/output ports: 42 bits)
鈥?/div>
DMA controller (DMAC): Max. 4-channel configuration possible
鈥?Four DMA transfer modes (single transfer, demand release, single step, burst)
鈥?Intelligent DMA modes 1 and 2
鈥?/div>
Serial interface: 2 channels
鈥?Asynchronous mode (UART) or clocked mode (CSI) selectable
鈥?/div>
Parallel interface: 8 bits
鈥?Centronics data input/output and general-purpose data input/output
鈥?/div>
A/D converter (8 bits): 4 channels
鈥?/div>
Real-time output port: 4 bits
2 channels or 8 bits
1 channel
鈥?/div>
PMW (Pulse Width Modulation) output function : 8 bits
The information in this document is subject to change without notice.
Document No. U11775EJ4V0DS00 (4th edition)
Previous No. IC-8257
Date Published November 1996 P
Printed in Japan
The mark
shows major revised points.
1995

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