ATMEGA161-8PI Atmel, ATMEGA161-8PI Datasheet - Page 108

• Manufacturer Part Number: ATMEGA161-8PI
• Description: IC AVR MCU 16K 8MHZ IND 40-DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA161-8PI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Other names: ATMEGA1618PI

Port E Schematics
108
ATmega161(L)
Figure 71. Port E Schematic Diagram (Pin PE0)
Figure 72. Port E Schematic Diagram (Pin PE1)
WP:
WD:
RL:
RP:
RD:
ACIC:
ACO:
WP:
WD:
RL:
RP:
RD:
SRE:
ALE: ALE PULSE FROM XRAM
PE0
WRITE PORTE
WRITE DDRE
READ PORTE LATCH
READ PORTE PIN
READ DDRE
COMPARATOR IC ENABLE
COMPARATOR OUTPUT
PE1
WRITE PORTE
WRITE DDRE
READ PORTE LATCH
READ PORTE PIN
READ DDRE
XRAM ENABLE
MOS
PULL-
UP
MOS
PULL-
UP
ISC2
0
1
'1'
NOISE CANCELER
Q
ICNC1
PORTE0
C
R
RL
RP
D
EDGE SELECT
Q
Q
ICES1
PORTE0
RESET
RESET
DDE0
RP
RL
WD
WP
RD
R
C
R
C
Q
Q
ALE
SRE
PORTE1
RESET
RESET
DDE1
WD
WP
RD
D
D
R
C
R
C
D
D
ICF1
ACIC
ACO
HW CLEAR
SW CLEAR
INT2
1228D–AVR–02/07