at90ls4433 ATMEL Corporation, at90ls4433 Datasheet - Page 75

• Manufacturer Part Number: at90ls4433
• Description: At90s4433 8-bit Avr Microcontroller With 4k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

1042H–AVR–04/03
Figure 51. Port B Schematic Diagram (Pin PB1)
Figure 52. Port B Schematic Diagram (Pin PB2)
PB2
PB1
WP:
WD:
RL:
RP:
RD:
MSTR:
SPE:
MOS
PULL-
UP
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
SPI MASTER ENABLE
SPI ENABLE
WP:
WD:
RL:
RP:
RD:
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
RL
RP
Q
Q
AT90S/LS4433
PORTB2
RESET
RESET
DDB2
PORTB1
WD
WP
RD
C
C
DDB1
D
D
MSTR
SPE
SPI SS
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