ATmega88 Automotive Atmel Corporation, ATmega88 Automotive Datasheet - Page 45
ATmega88 Automotive
Manufacturer Part Number
ATmega88 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATMEGA168_AUTOMOTIVE.pdf
(19 pages)
3.ATMEGA168_AUTOMOTIVE.pdf
(340 pages)
4.ATMEGA88_AUTOMOTIVE.pdf
(10 pages)
Specifications of ATmega88 Automotive
Flash (kbytes)
8 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
23
Ext Interrupts
24
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
512
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
3
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
- AT90CAN128_AUTOMOTIVE PDF datasheet
- ATMEGA168_AUTOMOTIVE PDF datasheet #2
- ATMEGA168_AUTOMOTIVE PDF datasheet #3
- ATMEGA88_AUTOMOTIVE PDF datasheet #4
- Current page: 45 of 340
- Download datasheet (6Mb)
8.0.6
7530I–AVR–02/10
Watchdog System Reset
Table 8-3.
When the BOD is enabled, and V
8-5), the Brown-out Reset is immediately activated. When V
(V
expired.
The BOD circuit will only detect a drop in V
ger than t
Figure 8-5.
When the Watchdog times out, it will generate a short reset pulse of one CK cycle duration. On
the falling edge of this pulse, the delay timer starts counting the Time-out period t
page 47
Figure 8-6.
Symbol
V
t
BOD
BOT+
HYST
in
for details on operation of the Watchdog Timer.
BOD
Figure
CC
given in
Brown-out Characteristics
Parameter
Brown-out Detector Hysteresis
Min Pulse Width on Brown-out Reset
Brown-out Reset During Operation
Watchdog System Reset During Operation
INTERNAL
TIME-OUT
8-5), the delay counter starts the MCU after the Time-out period t
RESET
RESET
V
CC
Table 8-1 on page
CC
decreases to a value below the trigger level (V
ATmega48/88/168 Automotive
V
CK
BOT-
43.
CC
if the voltage stays below the trigger level for lon-
CC
V
t
TOUT
Min
BOT+
increases above the trigger level
Typ
50
Max
TOUT
BOT-
. Refer to
TOUT
in
Units
mV
Figure
ns
has
45
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