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TMS9900

The TMS9900 was one of the first commercially available single-chip 16-bit microprocessors. Introduced in June 1976, it implemented Texas Instruments's TI-990 minicomputer architecture in a single-chip format, and was initially used for low-end models of that lineup.

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Bits
16-bit
Design
CISC
Designer
Texas Instruments
Endianness
Big
General-purpose
2 internally located in processor (WP, ST) 16 × 16-bit workspace located in external RAM
Introduced
1976

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Overview

History

Architecture

Instruction set and addressing

Implementation

Applications

TMS9900 family product development

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TMS9900

Nodes68
Edges67
Triples93
Avg. degree1.97
Density0.029412
Components1

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TMS9900

Top relations

related to history · 16
TMS9900 → Data General, Data General's Nova, DEC LSI-11, Fairchild, Intersil, More, National Semiconductor IMP-16, Notable, PDP-8, The, The TMS9900, This, TI, TMS9900's, Unlike, Workspace Pointer
related to TMS9900 family product development · 15
TMS9900 → CPU, Electronics Today, Geneve, In, It, Powertran Cortex, The, TI, TI-99/2, TI-99/4A, TI-99/8, TMS99000, TMS9995, Tomy Tutor, Ultimately
has application · 14
TMS9900 → CPU, DRAM, I/O, KB, RAM, The, The TMS9900, These, TI, TI-99/4, TI-99/4A, TM990, TM990/189, Unfortunately
related to Architecture · 12
TMS9900 → Addresses, MSB, PC, Program, RAM, ST, The TMS9900, The WP, This, Unlike, Workspace Pointer, WP
related to Instruction set and addressing · 10
TMS9900 → Addressing, Direct, Immediate, Indexed, Program Counter Relative, Register, Register Indirect, Symbolic, The, The TMS9900
related to Implementation · 7
TMS9900 → DIV, MHz, MOS, N-channel, The, The TMS9900, TIM9904
related to Bibliography · 3
TMS9900 → PDF, Texas Instruments, TMS9900 Microprocessor Data Manual
Bits · 1
TMS9900 → 16-bit
Design · 1
TMS9900 → CISC
Designer · 1
TMS9900 → Texas Instruments

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Important terminology

register instruction instructions used address workspace 16-bit memory minicomputer xop registers 16 processor use external interrupt family architecture bits ti

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
TMS9900Bits16-bit1.00infobox
TMS9900DesignCISC1.00infobox
TMS9900DesignerTexas Instruments1.00infobox
TMS9900EndiannessBig1.00infobox
TMS9900General-purpose2 internally located in processor (WP, ST) 16 × 16-bit workspace located in external RAM1.00infobox
TMS9900Introduced19761.00infobox
TMS9900is aclassic 16-bit machine with an address space of 216 bytes0.90text
the Motorola 68000instance ofthe microcomputer field was moving to 16-bit systems such as the Intel 8086 and newer 16/32-bit designs0.80text
the National Semiconductor IMP-16 or DEC LSI-11instance ofUnlike multi-chip 16-bit microprocessors0.80text
some of which predated the TMS9900instance ofUnlike multi-chip 16-bit microprocessors0.80text
the 9900 was a single-chipinstance ofUnlike multi-chip 16-bit microprocessors0.80text
self-contained 16-bit microprocessor.The minicomputer roots of the TMS9900 give rise to a number of architectural features that are not commonly found on designs that started from a blank sheetinstance ofUnlike multi-chip 16-bit microprocessors0.80text

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