PC8245MTPU300D Просмотр технического описания (PDF) - Atmel Corporation

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PC8245MTPU300D

Integrated Processor Family

Atmel Corporation 

PC8245

– Supports direct mode or chaining mode (automatic linking of DMA transfers)

– Supports scatter gathering — read or write discontinuous memory

– 64-byte transfer queue per channel

– Interrupt on completed segment, chain, and error

– Local-to-local memory

– PCI-to-PCI memory

– Local-to-PCI memory

– PCI memory-to-local memory

Message unit

– Two doorbell registers

– Two inbound and two outbound messaging registers

– I2O message interface

Two-wire interface controller with full master/slave support that accepts broadcast

messages

Embedded programmable interrupt controller (EPIC)

– Five hardware interrupts (IRQs) or 16 serial interrupts

– Four programmable timers with cascade

Two (dual) universal asynchronous receiver/transmitters (UARTs)

Integrated PCI bus and SDRAM clock generation

Programmable PCI bus and memory interface output drivers

• System level performance monitor facility

• Debug features

– Memory attribute and PCI attribute signals

– Debug address signals

– MIV signal: marks valid address and data bus cycles on the memory

bus

– Programmable input and output signals with watchpoint capability

– Error injection/capture on data path

– IEEE 1149.1 (JTAG)/test interface

5

2171D–HIREL–06/04

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