AT90PWM3B Atmel Corporation, AT90PWM3B Datasheet - Page 75
AT90PWM3B
Manufacturer Part Number
AT90PWM3B
Description
Manufacturer
Atmel Corporation
Specifications of AT90PWM3B
Flash (kbytes)
8 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
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)
0.5
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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4317J–AVR–08/10
XCK, USART External clock. The Data Direction Register (DDD0) controls whether the clock is
output (DDD0 set) or input (DDD0 cleared). The XCK0 pin is active only when the USART oper-
ates in Synchronous mode.
SS_A: Slave Port Select input. When the SPI is enabled as a slave, this pin is configured as an
input regardless of the setting of DDD0. As a slave, the SPI is activated when this pin is driven
low. When the SPI is enabled as a master, the data direction of this pin is controlled by DDD0.
When the pin is forced to be an input, the pull-up can still be controlled by the PORTD0 bit.
Table 11-10
shown in
Table 11-10. Overriding Signals for Alternate Functions PD7..PD4
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Figure 11-5 on page
and
Table 11-11
PD7/
ACMP0
0
0
0
0
0
0
ACMP0D
0
–
ACOMP0
relates the alternate functions of Port D to the overriding signals
66.
PD6/ADC3/
ACMPM/INT0
0
0
0
0
0
0
ADC3D + In0en
In0en
INT0
ADC3
ACMPM
PD5/ADC2/
ACMP2
0
0
0
0
0
ADC2D
0
ADC2
ACOMP2
0
AT90PWM2/3/2B/3B
PD4/ADC1/RXD/
ICP1A/SCK_A
RXEN + SPE •
MSTR • SPIPS
PD4 •
PUD
RXEN + SPE •
MSTR • SPIPS
0
SPE • MSTR •
SPIPS
–
ADC1D
0
ICP1A
ADC1
75
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