Memory Microprocessor. TS68020 Datasheet


TS68020 Microprocessor. Datasheet pdf. Equivalent


Part Number

TS68020

Description

HCMOS 32-bit Virtual Memory Microprocessor

Manufacture

ATMEL Corporation

Total Page 30 Pages
Datasheet
Download TS68020 Datasheet


TS68020
Features
Object Code Compatible with Earlier TS68000 Microprocessors
Addressing Mode Extensions for Enhanced Support of High Level Languages
New Bit Field Data Type Accelerates Bit-oriented Application, i.e. Video Graphics
Fast on-chip Instruction Cache Speed Instructions and Improves Bus Bandwidth
Co-processor Interface to Companion 32-bit Peripherals: TS68881 and TS68882
Floating Point Co-processors
Pipelined Architecture with High Degree of Internal Parallelism Allowing Multiple
Instructions to be Executed Concurrently
High Performance Asynchronous Bus in Non-multiplexed and Full 32 Bits
Dynamic Bus Sizing Efficiently Supports 8-, 16-, 32-bit Memories and Peripherals
Full Support of Virtual Memory and Virtual Machine
Sixteen 32-bit General-purpose Data and Address Registers
Two 32-bit Supervisor Stack Pointers and 5 Special Purpose Control Registers
18 Addressing Modes and 7 Data Types
4-Gbyte Direct Addressing Range
Processor Speed: 16.67 MHz - 20 MHz - 25 MHz
Power Supply: 5.0 VDC ± 10%
Description
The TS68020 is the first full 32-bit implementation of the TS68000 family of micropro-
cessors. Using HCMOS technology, the TS68020 is implemented with 32-bit registers
and data paths, 32-bit addresses, a rich instruction set, and versatile addressing
modes.
HCMOS 32-bit
Virtual Memory
Microprocessor
TS68020
Screening/Quality
This product is manufactured in full compliance with either:
• MIL-STD-883 (class B)
• DESC 5962 - 860320
• or according to Atmel standards
See “Ordering Information” on page 43.
Pin connection: see page 3.
R suffix
PGA 114
Ceramic Pin Grid Array
F suffix
CQFP 132
Ceramic Quad Flat Pack
Rev. 2115A–HIREL–07/02
1

TS68020
Introduction
The TS68020 is a high-performance 32-bit microprocessor. It is the first microprocessor
to have evolved from a 16-bit machine to a full 32-bit machine that provides 32-bit
address and data buses as well as 32-bit internal structures. Many techniques were uti-
lized to improve performance and at the same time maintain compatibility with other
processors of the TS68000 Family. Among the improvements are new addressing
modes which better support high-level language structures, an expanded instruction set
which provides 32-bit operations for the limited cases not supported by the TS68000
and several new instructions which support new data types. For special-purpose appli-
cations when a general-purpose processor alone is not adequate, a co-processor
interface is provided.
The TS68020 is a high-performance microprocessor implemented in HCMOS, low
power, small geometry process. This process allows CMOS and HMOS (high density
NMOS) gates to be combined on the same device. CMOS structures are used where
speed and low power is required, and HMOS structures are used where minimum sili-
con area is desired. This technology enables the TS68020 to be very fast while
consuming less power (less than 1.5 watts) and still have a reasonably small die size. It
utilizes about 190.000 transistors, 103.000 of which are actually implemented. The
package is a pin-grid array (PGA) with 114 pins, arranged 13 pins on a side with a
depopulated center and 132 pins ceramic quad flat pack.
Figure 1 is a block diagram of the TS68020. The processor can be divided into two main
sections: the bus controller and the micromachine. This division reflects the autonomy
with which the sections operate.
Figure 1. TS68020 Block Diagram
The bus controller consists of the address and data pads and multiplexers required to
support dynamic bus sizing, a macro bus controller which schedules the bus cycles on
the basis of priority with two state machines (one to control the bus cycles for operated
accesses and the other to control the bus cycles for instruction accesses), and the
instruction cache with its associated control.
2 TS68020
2115A–HIREL–07/02


Features Features • • • • • • • • • • • • • • • Object Cod e Compatible with Earlier TS68000 Micro processors Addressing Mode Extensions f or Enhanced Support of High Level Langu ages New Bit Field Data Type Accelerate s Bit-oriented Application, i.e. Video Graphics Fast on-chip Instruction Cache Speed Instructions and Improves Bus Ba ndwidth Co-processor Interface to Compa nion 32-bit Peripherals: TS68881 and TS 68882 Floating Point Co-processors Pipe lined Architecture with High Degree of Internal Parallelism Allowing Multiple Instructions to be Executed Concurrentl y High Performance Asynchronous Bus in Non-multiplexed and Full 32 Bits Dynami c Bus Sizing Efficiently Supports 8-, 1 6-, 32-bit Memories and Peripherals Ful l Support of Virtual Memory and Virtual Machine Sixteen 32-bit General-purpose Data and Address Registers Two 32-bit Supervisor Stack Pointers and 5 Special Purpose Control Registers 18 Addressin g Modes and 7 Data Types 4-Gbyte Direct Addressing Range Processor Speed: 16.67 MHz - 20 MHz .
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