AT91SAM9XE128_1 Datasheet, PDF (20/866 Pages) ATMEL Corporation – AT91 ARM Thumb Microcontrollers

• Debug Unit
– Two-pin UART
– Debug Communication Channel Interrupt Handling
– Chip ID Register
• IEEE1149.1 JTAG Boundary-scan on All Digital Pins
20 AT91SAM9XE128/256/512 Preliminary
6254B–ATARM–29-Apr-09