atmega103 ATMEL Corporation, atmega103 Datasheet - Page 92
atmega103
Manufacturer Part Number
atmega103
Description
Atmega103 8-bit With 128k Bytes Of In-system Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.ATMEGA103.pdf
(141 pages)
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ATmega103(L)
Figure 57. Port B Schematic Diagram (Pin PB3)
Figure 58. Port B Schematic Diagram (Pin PB4)
PB4
WP:
WD:
RL:
RP:
RD:
MOS
PULL-
UP
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
RL
RP
MODE SELECT
OUTPUT
Q
Q
PORTB4
RESET
RESET
DDB4
WD
WP
RD
R
C
R
C
D
D
COM01
COM01
COMP. MATCH 0
0945I–AVR–02/07
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