UPD70433GD-16-5BB NEC [NEC], UPD70433GD-16-5BB Datasheet
UPD70433GD-16-5BB
Manufacturer Part Number
UPD70433GD-16-5BB
Description
V55PITM 16-BIT MICROPROCESSOR
Manufacturer
NEC [NEC]
Datasheet
1.UPD70433GD-16-5BB.pdf
(166 pages)
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Document No. U11775EJ4V0DS00 (4th edition)
Previous No. IC-8257
Date Published November 1996 P
Printed in Japan
DESCRIPTION
converter, timers, DMA controller, interrupt controller, etc., are integrated in a single chip.
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.
design work.
FEATURES
Internal 16-bit architecture, selectable external data bus width (16/8 bits)
Software compatible with V20
Minimum instruction cycle: 160 ns/12.5 MHz (external 25 MHz)
Address space: 16M bytes:
Register file space (in on-chip RAM) : 512 bytes/16 register banks
I/O space : 64K bytes
Automatic wait control with memory space divided in variable sizes (max. 6 blocks)
I/O line (input ports: 11 bits, input/output ports: 42 bits)
DMA controller (DMAC): Max. 4-channel configuration possible
Serial interface: 2 channels
Parallel interface: 8 bits
A/D converter (8 bits): 4 channels
Real-time output port: 4 bits
PMW (Pulse Width Modulation) output function : 8 bits
The PD70433 (V55PI) is a microprocessor in which a 16-bit CPU, RAM, serial interface, parallel interface, A/D
The V55PI is software-compatible with the PD70320 and 70330 (V25
Detailed functions are described in the following user’s manuals, which should be read when carrying out
• Four DMA transfer modes (single transfer, demand release, single step, burst)
• Intelligent DMA modes 1 and 2
• Asynchronous mode (UART) or clocked mode (CSI) selectable
• Centronics data input/output and general-purpose data input/output
• V55PI User’s Manual Hardware
• V55PI User’s Manual Instruction
125 ns/16 MHz (external 32 MHz)
The information in this document is subject to change without notice.
TM
2 channels or 8 bits
and V30
16-BIT MICROPROCESSOR
The mark
1-Mbyte basic memory space
16-Mbyte extended memory space
TM
(native mode) and V25 and V35 (includes additional instructions)
DATA SHEET
shows major revised points.
V55PI
1 channel
TM
MOS INTEGRATED CIRCUIT
TM
and V35
TM
: U10514E
: U10231E
) single-chip microcontrollers. The
PD70433
©
1995
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