-Instruction set avr51 is for the enhanced AVR core with exactly 128K program
-memory space (MCU types: atmega128, atmega128a, atmega1280, atmega1281,
-atmega1284, atmega1284p, atmega128rfa1, atmega128rfr2, atmega1284rfr2,
-at90can128, at90usb1286, at90usb1287, m3000).
-
-Instruction set avr6 is for the enhanced AVR core with a 3-byte PC (MCU types:
-atmega2560, atmega2561, atmega256rfr2, atmega2564rfr2).
-
-Instruction set avrxmega2 is for the XMEGA AVR core with 8K to 64K program
-memory space and less than 64K data space (MCU types: atxmega16a4, atxmega16a4u,
-atxmega16c4, atxmega16d4, atxmega16x1, atxmega32a4, atxmega32a4u, atxmega32c4,
-atxmega32d4, atxmega16e5, atxmega8e5, atxmega32e5, atxmega32x1).
-
-Instruction set avrxmega3 is for the XMEGA AVR core with 8K to 64K program
-memory space and greater than 64K data space (MCU types: none).
-
-Instruction set avrxmega4 is for the XMEGA AVR core with up to 64K program
-memory space and less than 64K data space (MCU types: atxmega64a3, atxmega64a3u,
-atxmega64a4u, atxmega64b1, atxmega64b3, atxmega64c3, atxmega64d3, atxmega64d4).
-
-Instruction set avrxmega5 is for the XMEGA AVR core with up to 64K program
-memory space and greater than 64K data space (MCU types: atxmega64a1,
-atxmega64a1u).
-
-Instruction set avrxmega6 is for the XMEGA AVR core with larger than 64K program
-memory space and less than 64K data space (MCU types: atxmega128a3,
-atxmega128a3u, atxmega128c3, atxmega128d3, atxmega128d4, atxmega192a3,
-atxmega192a3u, atxmega128b1, atxmega128b3, atxmega192c3, atxmega192d3,
-atxmega256a3, atxmega256a3u, atxmega256a3b, atxmega256a3bu, atxmega256c3,
-atxmega256d3, atxmega384c3, atxmega256d3).
-
-Instruction set avrxmega7 is for the XMEGA AVR core with larger than 64K program
-memory space and greater than 64K data space (MCU types: atxmega128a1,
-atxmega128a1u, atxmega128a4u).
+Instruction set avr51 is for the enhanced AVR core with exactly 128K
+program memory space (MCU types: atmega128, atmega128a, atmega1280,
+atmega1281, atmega1284, atmega1284p, atmega128rfa1, atmega128rfr2,
+atmega1284rfr2, at90can128, at90usb1286, at90usb1287, m3000).
+
+Instruction set avr6 is for the enhanced AVR core with a 3-byte PC
+(MCU types: atmega2560, atmega2561, atmega256rfr2, atmega2564rfr2).
+
+Instruction set avrxmega2 is for the XMEGA AVR core with 8K to 64K
+program memory space and less than 64K data space (MCU types:
+atxmega16a4, atxmega16a4u, atxmega16c4, atxmega16d4, atxmega16x1,
+atxmega32a4, atxmega32a4u, atxmega32c4, atxmega32d4, atxmega16e5,
+atxmega8e5, atxmega32e5, atxmega32x1).
+
+Instruction set avrxmega3 is for the XMEGA AVR core with 8K to 64K
+program memory space and greater than 64K data space (MCU types:
+none).
+
+Instruction set avrxmega4 is for the XMEGA AVR core with up to 64K
+program memory space and less than 64K data space (MCU types:
+atxmega64a3, atxmega64a3u, atxmega64a4u, atxmega64b1, atxmega64b3,
+atxmega64c3, atxmega64d3, atxmega64d4).
+
+Instruction set avrxmega5 is for the XMEGA AVR core with up to 64K
+program memory space and greater than 64K data space (MCU types:
+atxmega64a1, atxmega64a1u).
+
+Instruction set avrxmega6 is for the XMEGA AVR core with larger than
+64K program memory space and less than 64K data space (MCU types:
+atxmega128a3, atxmega128a3u, atxmega128c3, atxmega128d3, atxmega128d4,
+atxmega192a3, atxmega192a3u, atxmega128b1, atxmega128b3, atxmega192c3,
+atxmega192d3, atxmega256a3, atxmega256a3u, atxmega256a3b,
+atxmega256a3bu, atxmega256c3, atxmega256d3, atxmega384c3,
+atxmega256d3).
+
+Instruction set avrxmega7 is for the XMEGA AVR core with larger than
+64K program memory space and greater than 64K data space (MCU types:
+atxmega128a1, atxmega128a1u, atxmega128a4u).
+
+Instruction set avrtiny is for the ATtiny4/5/9/10/20/40
+microcontrollers.