ATMEGA32M1-AU Atmel, ATMEGA32M1-AU Datasheet - Page 259
![MPU AVR 32K FLASH 20MHZ 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA32M1-AU
Manufacturer Part Number
ATMEGA32M1-AU
Description
MPU AVR 32K FLASH 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32M1-AU
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA32M1-AU
Manufacturer:
TYCO
Quantity:
210
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23.4.4
8209D–AVR–11/10
AC3CON – Analog Comparator 3 Control Register
Table 23-5.
• Bit 3 – Res: Reserved
This bit is reserved and will always read as zero.
• Bit 2:0– AC2M[2:0]: Analog Comparator 2 Multiplexer register
These 3 bits determine the input of the negative input of the analog comparator.
The different setting are shown in
Table 23-6.
Bit
Read/Write
Initial Value
• Bit 7– AC3EN: Analog Comparator 3 Enable Bit
Set this bit to enable the analog comparator 3.
Clear this bit to disable the analog comparator 3.
• Bit 6– AC3IE: Analog Comparator 3 Interrupt Enable bit
Set this bit to enable the analog comparator 3 interrupt.
Clear this bit to disable the analog comparator 3 interrupt.
• Bit 5:4– AC3IS[1:0]: Analog Comparator 3 Interrupt Select bit
These 2 bits determine the sensitivity of the interrupt trigger.
The different setting are shown in
AC2IS[1:0]
AC2M[2:0]
00
01
10
11
000
001
010
011
100
101
110
111
Interrupt sensitivity selection
Analog Comparator 2 negative input selection
AC3EN
R/W
7
0
AC3IE
R/W
6
0
AC3IS1
Table
Table 23-7 on page
R/W
Analog Comparator Negative Input (ACMPM pin)
5
0
Comparator interrupt on output falling edge
Comparator interrupt on output rising edge
Comparator Interrupt on output toggle
23-6.
AC3IS0
R/W
4
0
ATmega16M1/32M1/64M1
Description
Bandgap (1.1V)
Reserved
Description
“Vref”/6.40
“Vref”/3.20
“Vref”/2.13
“Vref”/1.60
DAC result
Reserved
3
0
-
-
260.
AC3M2
R/W
2
0
AC3M1
R/W
1
0
AC3M0
R/W
0
0
AC3CON
259
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