AT90PWM81 Atmel Corporation, AT90PWM81 Datasheet - Page 253
AT90PWM81
Manufacturer Part Number
AT90PWM81
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT90PWM161.pdf
(325 pages)
Specifications of AT90PWM81
Flash (kbytes)
8 Kbytes
Pin Count
20
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
20
Ext Interrupts
3
Usb Speed
No
Usb Interface
No
Spi
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
Yes
Crypto Engine
No
Sram (kbytes)
0.25
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 125
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
1
Output Compare Channels
8
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
No
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90PWM81-16MF
Manufacturer:
Atmel
Quantity:
3 118
Company:
Part Number:
AT90PWM81-16MN
Manufacturer:
Atmel
Quantity:
2 446
Company:
Part Number:
AT90PWM81-16SF
Manufacturer:
Atmel
Quantity:
2 428
Company:
Part Number:
AT90PWM81-16SN
Manufacturer:
Atmel
Quantity:
1 500
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7734P–AVR–08/10
Figure 21-1.
Table 21-7.
Table 21-8.
Signal Name in
Programming Mode
PAGEL/BS1
RDY/BSY
XA1/BS2
DATA
XA0
WR
OE
XA1/BS2
XA0
WR
Pin
Parallel Programming
Pin Name Mapping
Pin Values Used to Enter Programming Mode
OE
PAGEL/BS1
+ 12 V
XA1/BS2
RDY/BSY
Pin Name
PB[7:0]
AREF
XA0
PD2
PD1
PD5
PD6
PE2
WR
OE
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
AREF
PD2
PD1
PD5
RESET/PE0
XTAL1/PE1
GND
PD6
PE 2
Symbol
I/O
I/O
O
I
I
I
I
I
Function
0: Device is busy programming, 1: Device is ready
for new command
Output Enable (Active low)
Write Pulse (Active low)
XTAL Action Bit 0
XTAL Action Bit 1
Byte Select 2 (“0” selects Low byte, “1” selects
2’nd High byte)
Program memory and EEPROM Data Page Load
Byte Select 1 (“0” selects Low byte, “1” selects
High byte)
Bi-directional Data bus (Output when OE is low)
PB[7:0]
AVCC
VCC
+ 5V
+ 5V
DATA
AT90PWM81
Value
0
0
0
0
253
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