ATMEGA103-6AC Atmel, ATMEGA103-6AC Datasheet - Page 116

• Manufacturer Part Number: ATMEGA103-6AC
• Description: IC MCU 128K 6MHZ A/D 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA103-6AC

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 6MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 128KB (64K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 64-TQFP, 64-VQFP
• For Use With: ATSTK501 - ADAPTER KIT FOR 64PIN AVR MCU
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 44. Serial Programming Instruction Set
Note:
116
Instruction
Programming Enable
Chip Erase
Read Program Memory
Load Program Memory Page
Write Program Memory Page
Read EEPROM Memory
Write EEPROM Memory
Read Lock Bits
Write Lock Bits
Read Fuse Bits
Write Fuse Bits
Read Signature Byte
a = address high bits
b = address low bits
H = 0 – Low byte, 1 – High byte
o = data out
i = data in
x = don’t care
1 = Lock Bit 1
2 = Lock Bit 2
3 = SUT0 Fuse
4 = SUT1 Fuse
5 = SPIEN Fuse
6 = EESAVE Fuse
ATmega103(L)
1010 1100
1010 1100
0010 H000
0100 H000
0100 1100
1010 0000
1100 0000
0101 1000
1010 1100
0101 0000
1010 1100
0011 0000
Byte 1
0101 0011
100x xxxx
aaaa aaaa
xxxx xxxx
aaaa aaaa
xxxx aaaa
xxxx aaaa
xxxx xxxx
1111 1211
xxxx xxxx
1011 6143
xxxx xxxx
Byte 2
Instruction Format
xxxx xxxx
xxxx xxxx
bbbb bbbb
xbbb bbbb
bxxx xxxx
bbbb bbbb
bbbb bbbb
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxbb
Byte 3
xxxx xxxx
xxxx xxxx
oooo oooo
iiii iiii
xxxx xxxx
oooo oooo
iiii iiii
xxxx x21x
xxxx xxxx
xx5x 6143
xxxx xxxx
oooo oooo
Byte 4
Enable serial programming while
RESET is low.
Chip erase EEPROM and Flash.
Read H (high or low) data o from
Program memory at word address a:b.
Write H (high or low) data i to Program
memory page at word address b.
Write Program memory page at
address a:b.
Read data o from EEPROM memory
at address a:b.
Write data i to EEPROM memory at
address a:b.
Read Lock bits. “0” = programmed,
“1” = unprogrammed.
Write Lock bits. Set bits 1,2 = “0” to
Program Lock bits.
Read Fuse bits. “0” = programmed,
“1” = unprogrammed.
Write Fuse bits. Set bit 6,4,3 = “0” to
program, “1” to unprogram.
Read signature byte o at address b.
Operation
0945I–AVR–02/07