ATMEGA32M1-AUR Atmel, ATMEGA32M1-AUR Datasheet - Page 252
![IC MPU AVR 32K 20MHZ 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA32M1-AUR
Manufacturer Part Number
ATMEGA32M1-AUR
Description
IC MPU AVR 32K 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32M1-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
CAN, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
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Part Number
Manufacturer
Quantity
Price
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ATmega16M1/32M1/64M1
ATmega16M1/32M1/64M1 proposes to have an external resistor used in conjunction with the
Current Source. The device measures the voltage to the boundaries of the resistance via the
Analog to Digital converter. The resulting voltage defines the physical address that the commu-
nication handler will use when the node will participate in LIN communication.
In automotive applications, distributed voltages are very disturbed. The internal Current Source
solution of ATmega16M1/32M1/64M1 immunizes the address detection against any kind of volt-
age variations.
Table 22-1.
Table 22-2.
Note:
Physical
Address
0
1
2
3
4
5
6
7
Physical
Address
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1. 5V range: Max R
3V range: Max R
Example of Resistor Values(±5%) for a 8-address System (AVcc = 5V
Example of Resistor Values(±1%) for a 16-address System (AVcc = 5V
1 000
2 200
3 300
4 700
6 800
10 000
15 000
22 000
2 000
2 400
2 700
3 300
3 900
4 700
5 600
6 800
8 200
9 100
11 000
13 000
16 000
18 000
20 000
24 000
Resistor Value
Resistor Value
R
R
load
load
(Ohm)
(Ohm)
load
load
30KΩ
15KΩ
Minimum Voltage
Minimum Voltage
Measured (V)
Measured (V)
0.1
0.22
0.33
0.47
0.68
1
1.5
2.2
0.2
0.24
0.27
0.33
0.39
0.47
0.56
0.68
0.82
0.91
1.1
1.3
1.6
1.8
2
2.4
Typical Voltage
Typical Voltage
Measured (V)
Measured (V)
Maximum Voltage
Maximum Voltage
Measured (V)
Measured (V)
8209D–AVR–11/10
(1)
(1)
)
)
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