AT90PWM316 Atmel Corporation, AT90PWM316 Datasheet - Page 46
AT90PWM316
Manufacturer Part Number
AT90PWM316
Description
Manufacturer
Atmel Corporation
Specifications of AT90PWM316
Flash (kbytes)
16 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
4
Usb Speed
No
Usb Interface
No
Spi
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
125
Analog Comparators
3
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
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 105
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
5
Output Compare Channels
16
Input Capture Channels
1
Pwm Channels
12
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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Price
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264
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Quantity:
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Part Number:
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Manufacturer:
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Quantity:
20 000
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9.4
7710F–AVR–09/11
External Reset
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
when V
Figure 9-2.
Figure 9-3.
An External Reset is generated by a low level on the RESET pin. Reset pulses longer than the
minimum pulse width (see
Shorter pulses are not guaranteed to generate a reset. When the applied signal reaches the
Reset Threshold Voltage – V
the Time-out period – t
CC
INTERNAL
INTERNAL
TIME-OUT
TIME-OUT
decreases below the detection level.
RESET
RESET
RESET
RESET
V
V
MCU Start-up, RESET Tied to V
MCU Start-up, RESET Extended Externally
CC
CC
TOUT
– has expired.
Table
RST
CC
V
V
V
POT
POT
RST
– on its positive edge, the delay counter starts the MCU after
rise. The RESET signal is activated again, without any delay,
9-1) will generate a reset, even if the clock is not running.
t
TOUT
CC
V
RST
t
TOUT
AT90PWM216/316
46
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