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> V35+ V35 plus nec microcontroller up D70335 lot of 8
V35+ V35 plus nec microcontroller up D70335 lot of 8
Part number is PD70335L-10. Part is the V35+, a microcontroller by NEC which was popular as it was code compatible with intel 8086 type processors.
New Old Stock - These are in excellent condition.
DESCRIPTION: The PD70335 (V25 Plus) is an enhanced version of the PD70330 (V35 ) single-chip microcomputer providing higher speed (10 MHz) and greater functionality of on-chip peripherals, including DMA, interrupt servicing, bus interface, and serial I/O, Software compatibility with the V35 and the PD70108/116 (V20 /V30 ) in maintained.
* Internal 16-bit architecture and external 16-bit data bus
* Software compatible with PD70108/70116 (V20/V30) in native mode.
* Three-stage pipeline system
* Minimum instruction cycle 400ns (at external 10MHz)
* Internal memory: 256-byte RAM
* Eight register banks (memory mapped)
* 8-bit input port with a comparator (port T)
* Bus interface optimized for use with dynamic RAMS
- On-board refresh controller
- Input/output ports: 20 bits
* Serial interface: two channels
- Dedicated baud rate generator is contained
- Asynchronous mode; I/O interface mode
- Eight programmable priority levels
- Three interrupt response modes: Vectored interrupt function; Regster bank switching function; and Macro service function
* DRAM, pseudo-static RAM refresh function
* DMA controller: two channels
- Four DMA transfer modes - Maximum transfer rate: 3M-words/second (demand release mode)
* 16-bit timer: two channels
* Time base counter (20 bits): one channel
* Programmable wait function
* Standby function (STOP or HALT mode)
* Package: 84-pin plastic leaded chip carrier (PLCC)
