ATMEGA161L-4PC Atmel, ATMEGA161L-4PC Datasheet - Page 108
ATMEGA161L-4PC
Manufacturer Part Number
ATMEGA161L-4PC
Description
IC AVR MCU 16K LV 4MHZ COM 40DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA161-8AC.pdf
(159 pages)
Specifications of ATMEGA161L-4PC
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
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)
2.7 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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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
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