Attiny28l/v – Rainbow Electronics ATtiny28L User Manual
Page 41

41
ATtiny28L/V
1062E–10/01
Figure 32. Port B Schematic Diagram (Pin PB2)
Figure 33. PORT B Schematic Diagram (Pins PB3 and PB4)
DA
T
A
BUS
MOS
PULL-
UP
PB2
RP: READ PORTB PIN
PULL-UP PORT B
RP
TO LOW-LEVEL DETECTOR
SENSE CONTROL
TIMER0 CLOCK
SOURCE MUX
CS02 CS01 CS00
DA
T
A
BUS
MOS
PULL-
UP
PBn
RP: READ PORTB PIN
n : 3, 4
m : 0, 1
PULL-UP PORT B
RP
TO LOW-LEVEL DETECTOR
SENSE CONTROL
INTm
ISCm1
ISCm0
INTm ENABLE
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