atmega103 ATMEL Corporation, atmega103 Datasheet - Page 140

• Manufacturer Part Number: atmega103
• Description: Atmega103 8-bit With 128k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

ii
ATmega103(L)
Interface to External SRAM................................................................ 84
I/O Ports............................................................................................... 86
Memory Programming...................................................................... 104
Electrical Characteristics................................................................. 118
Typical Characteristics .................................................................... 123
Register Summary ............................................................................ 134
Instruction Set Summary ................................................................. 135
Ordering Information........................................................................ 137
Packaging Information ..................................................................... 138
Table of Contents .................................................................................. i
ADC DC Characteristics ..................................................................................... 83
Port A.................................................................................................................. 86
Port B.................................................................................................................. 87
Port C.................................................................................................................. 94
Port D.................................................................................................................. 94
Port E.................................................................................................................. 98
Port F ................................................................................................................ 103
Program and Data Memory Lock Bits............................................................... 104
Fuse Bits........................................................................................................... 104
Signature Bytes ................................................................................................ 104
Programming the Flash and EEPROM............................................................. 104
Parallel Programming ....................................................................................... 105
Parallel Programming Characteristics .............................................................. 112
Serial Downloading........................................................................................... 113
Absolute Maximum Ratings*............................................................................. 118
DC Characteristics............................................................................................ 118
External Data Memory Timing .......................................................................... 120
External Clock Drive Waveforms ...................................................................... 122
64A ................................................................................................................... 138
0945I–AVR–02/07