Semiconductor & Computer Engineering
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Due to the limitations in the [[gate array]] technology of the time, the chip did not have any on-chip memory. Three separate modules were required: for the return stack, data stack, and program and data stack. | Due to the limitations in the [[gate array]] technology of the time, the chip did not have any on-chip memory. Three separate modules were required: for the return stack, data stack, and program and data stack. | ||
| − | == | + | == Documents == |
| − | * [ | + | === Datasheets === |
| + | * [[:File:nc4016.pdf|NC4016 Datasheet]] | ||
Latest revision as of 15:31, 13 December 2017
| Edit Values | |
| NC4016 | |
| General Info | |
| Designer | Novix |
| Model Number | NC4016 |
| Market | Embedded |
| Introduction | 1984 (announced) June, 1985 (launched) |
| General Specs | |
| Frequency | 7.5 MHz |
| Microarchitecture | |
| Process | 3 μm |
| Transistors | 16,000 |
| Technology | CMOS |
| Word Size | 16 bit |
| Cores | 1 |
| Threads | 1 |
NC4016 (formerly NC4000) was a 16-bit stack machine microprocessor designed by Novix in 1985 primarily for the Forth programming language. The NC4016 directly executes the primitives of the high-level Forth programming language. The NC4016 was capable of executing typical Forth programs as much as 20 times faster than the Motorola 68000. Novix also offered the NC4000 Small C Compiler which was compatible with the NC4016 microprocessor.
In 1988, the NC4016 design was licensed and improved by Harris Semiconductor which later rebranded the chip as the RTX2000, a radiation hardened version suitable for spacecrafts use.
The NC4016 was later replaced by the NC5016 and later by the NC6016.
History[edit]
In 1983 Charles H. Moore founded Novix, Inc, a company with the goal of designing a microprocessor that would execute FORTH programs optimally. The chip, which was originally named NC4000, was released as the NC4016 in June of 1985. The NC4016 was a complete stack machine. The opcodes manipulated the stack directly.
The microprocessor, which was fabricated using 3 μm HCMOS process technology, has a 7.5MHz clock capable of 10MIPS.
Implementation[edit]
Due to the limitations in the gate array technology of the time, the chip did not have any on-chip memory. Three separate modules were required: for the return stack, data stack, and program and data stack.
Documents[edit]
Datasheets[edit]
| base frequency | 7.5 MHz (0.0075 GHz, 7,500 kHz) + |
| core count | 1 + |
| designer | Novix + |
| first announced | 1984 + |
| first launched | June 1985 + |
| full page name | novix/nc4016 + |
| instance of | microprocessor + |
| ldate | June 1985 + |
| market segment | Embedded + |
| model number | NC4016 + |
| name | NC4016 + |
| process | 3,000 nm (3 μm, 0.003 mm) + |
| technology | CMOS + |
| thread count | 1 + |
| transistor count | 16,000 + |
| word size | 16 bit (2 octets, 4 nibbles) + |