ATMEGA103-6AC Atmel, ATMEGA103-6AC Datasheet - Page 93

• 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

0945I–AVR–02/07
Figure 59. Port B Schematic Diagram (Pins PB5 and PB6)
Figure 60. Port B Schematic Diagram (Pin PB7)
PBn
PB7
WP:
WD:
RL:
RP:
RD:
n:
X:
WP:
WD:
RL:
RP:
RD:
MOS
PULL-
UP
MOS
PULL-
UP
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
5, 6
A, B
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
RL
RP
RL
RP
MODE SELECT
MODE SELECT
OUTPUT
OUTPUT
ATmega103(L)
Q
Q
Q
PORTBn
Q
RESET
RESET
PORTB7
RESET
RESET
DDBn
DDB7
WD
WP
RD
WD
WP
RD
R
C
R
C
R
C
R
C
D
D
D
D
COM1X0
COM1X1
COMP. MATCH 1X
COM20
COM21
COMP. MATCH 2
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