| Intel 80960HT, 80960HD, 80960HA

80960HA/HD/HT 32-Bit High-Performance Superscalar Processor

Datasheet

■32-Bit Parallel Architecture

—Load/Store Architecture

—Sixteen 32-Bit Global Registers

—Sixteen 32-Bit Local Registers

—1.28 Gbyte Internal Bandwidth

(80 MHz)

—On-Chip Register Cache

■Processor Core Clock

—80960HA is 1x Bus Clock

—80960HD is 2x Bus Clock

—80960HT is 3x Bus Clock

■Binary Compatible with Other 80960 Processors

■Issue Up To 150 Million Instructions per Second

■High-Performance On-Chip Storage

—16 Kbyte Four-Way Set-Associative Instruction Cache

—8 Kbyte Four-Way Set-Associative Data Cache

—2 Kbyte General Purpose RAM

■Separate 128-Bit Internal Paths For Instructions/Data

■3.3 V Supply Voltage

—5 V Tolerant Inputs

—TTL Compatible Outputs

■Guarded Memory Unit

—Provides Memory Protection

—User/Supervisor Read/Write/Execute

■32-Bit Demultiplexed Burst Bus

—Per-Byte Parity Generation/Checking

—Address Pipelining Option

—Fully Programmable Wait State Generator

—Supports 8-, 16- or 32-Bit Bus Widths

—160 Mbyte/s External Bandwidth

(40 MHz)

■High-Speed Interrupt Controller

—Up to 240 External Interrupts

—31 Fully Programmable Priorities

—Separate, Non-maskable Interrupt Pin

■Dual On-Chip 32-Bit Timers

—Auto Reload Capability and One-Shot

—CLKIN Prescaling, divided by 1, 2, 4 or 8

—JTAG Support - IEEE 1149.1 Compliant