atmega103 ATMEL Corporation, atmega103 Datasheet - Page 93

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atmega103

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

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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
93

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