at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 19

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

7.8
6249D–ATARM–20-Dec-07
Debug and Test Features
• Transfer Initiation
• Interrupt
• ARM926 Real-time In-circuit Emulator
• Debug Unit
• Embedded Trace Macrocell: ETM9
• IEEE1149.1 JTAG Boundary-scan on All Digital Pins
– Suspend DMA operation
– Programmable DMA lock transfer support.
– Supports four external DMA Requests
– Support for software handshaking interface. Memory mapped registers can be used
– Programmable interrupt generation on DMA transfer completion, Block transfer
– Two real-time Watchpoint Units
– Two Independent Registers: Debug Control Register and Debug Status Register
– Test Access Port Accessible through JTAG Protocol
– Debug Communications Channel
– Two-pin UART
– Debug Communication Channel Interrupt Handling
– Chip ID Register
– Medium+ Level Implementation
– Half-rate Clock Mode
– Four Pairs of Address Comparators
– Two Data Comparators
– Eight Memory Map Decoder Inputs
– Two 16-bit Counters
– One 3-stage Sequencer
– One 45-byte FIFO
to control the flow of a DMA transfer in place of a hardware handshaking interface
completion, Single/Multiple transaction completion or Error condition
™
AT91SAM9263 Preliminary
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