ATMEGA163 ATMEL [ATMEL Corporation], ATMEGA163 Datasheet - Page 120

• Manufacturer Part Number: ATMEGA163
• Description: 8-bit Microcontroller with 16K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

120
ATmega163(L)
Figure 65. PORTB Schematic Diagram (Pins PB2 and PB3)
Figure 66. PORTB Schematic Diagram (Pin PB4)
PB4
PBn
WP:
WD:
RL:
RP:
RD:
MSTR:
SPE:
PUD:
MOS
PULL-
UP
MOS
PULL-
UP
WP:
WD:
RL:
RP:
RD:
n:
m:
PUD: PULL-UP DISABLE
PULL-UP DISABLE
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
SPI MASTER ENABLE
SPI ENABLE
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
2, 3
0, 1
PWRDN
PUD
PUD
RL
RL
RP
RP
TO COMPARATOR
Q
Q
Q
Q
PORTB4
PORTBn
RESET
RESET
RESET
RESET
DDB4
DDBn
WD
WD
RD
WP
RD
WP
C
C
C
C
D
D
D
D
MSTR
SPE
SPI SS
AINm
1142E–AVR–02/03