ATmega32M1 Automotive Atmel Corporation, ATmega32M1 Automotive Datasheet - Page 47
ATmega32M1 Automotive
Manufacturer Part Number
ATmega32M1 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATMEGA16M1_AUTOMOTIVE.pdf
(12 pages)
3.ATMEGA16M1_AUTOMOTIVE.pdf
(25 pages)
4.ATMEGA16M1_AUTOMOTIVE.pdf
(367 pages)
Specifications of ATmega32M1 Automotive
Flash (kbytes)
32 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
Hardware Qtouch Acquisition
No
Max I/o Pins
27
Ext Interrupts
27
Usb Speed
No
Usb Interface
No
Spi
1
Uart
1
Can
1
Lin
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
125
Analog Comparators
4
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 150
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
14
Input Capture Channels
1
Pwm Channels
10
32khz Rtc
No
Calibrated Rc Oscillator
Yes
- AT90CAN128_AUTOMOTIVE PDF datasheet
- ATMEGA16M1_AUTOMOTIVE PDF datasheet #2
- ATMEGA16M1_AUTOMOTIVE PDF datasheet #3
- ATMEGA16M1_AUTOMOTIVE PDF datasheet #4
- Current page: 47 of 367
- Download datasheet (7Mb)
7.2.1
7647G–AVR–09/11
Power-on Reset
Figure 7-1.
Table 7-1.
Note:
A Power-on Reset (POR) pulse is generated by an On-chip detection circuit. The detection
level is defined in
The POR circuit can be used to trigger the start-up Reset, as well as to detect a failure in sup-
ply voltage.
A Power-on Reset (POR) circuit ensures that the device is reset from Power-on. Reaching the
Power-on Reset threshold voltage invokes the delay counter, which determines how long the
device is kept in RESET after V
delay, when V
Symbol
V
V
V
V
V
POT
PORMAX
PORMIN
CCRR
RST
BODLEVEL [2..0]
1. Before rising, the supply has to be between
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
VCC Max. start voltage to ensure internal
Power-on Reset signal
VCC Min. start voltage to ensure internal
Power-on Reset signal
VCC Rise Rate to ensure Power-on Reset
RESET Pin Threshold Voltage
CC
Reset Logic
Reset Characteristics
decreases below the detection level.
Table
Pull-up Resistor
7-1. The POR is activated whenever V
Spike
Filter
CC
CKSEL[3:0]
Atmel ATmega16/32/64/M1/C1
Power-on Reset
rise. The RESET signal is activated again, without any
Reset Circuit
SUT[1:0]
Brown-out
Watchdog
Oscillator
Generator
Circuit
Clock
CK
Register (MCUSR)
V
(1)
MCU Status
DATA BUS
PORMIN
Delay Counters
0.1 V
0.01
Min
-0.1
1.1
0.8
and V
CC
CC
PORMAX
is below the detection level.
Typ
1.4
0.9
TIMEOUT
to ensure a Reset.
0.9V
Max
1.7
1.6
0.4
CC
Units
V/ms
V
V
V
V
V
47
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