AT90CAN32 Automotive Atmel Corporation, AT90CAN32 Automotive Datasheet - Page 109

• Manufacturer Part Number: AT90CAN32 Automotive
• Manufacturer: Atmel Corporation

Specifications of AT90CAN32 Automotive

• Flash (kbytes): 32 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 53
• Ext Interrupts: 8
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 2
• Can: 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): 2
• Eeprom (bytes): 1024
• 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: 4
• Output Compare Channels: 8
• Input Capture Channels: 2
• Pwm Channels: 7
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

12.9
12.9.1
7682C–AUTO–04/08
8-bit Timer/Counter Register Description
Timer/Counter0 Control Register A – TCCR0A
Figure 12-10
Figure 12-10. Timer/Counter Timing Diagram, Setting of OCF0A, with Prescaler (f
Figure 12-11
Figure 12-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Pres-
• Bit 7 – FOC0A: Force Output Compare A
The FOC0A bit is only active when the WGM00 bit specifies a non-PWM mode. However, for
ensuring compatibility with future devices, this bit must be set to zero when TCCR0A is written
when operating in PWM mode. When writing a logical one to the FOC0A bit, an immediate com-
pare match is forced on the Waveform Generation unit. The OC0A output is changed according
to its COM0A1:0 bits setting. Note that the FOC0A bit is implemented as a strobe. Therefore it is
the value present in the COM0A1:0 bits that determines the effect of the forced compare.
A FOC0A strobe will not generate any interrupt, nor will it clear the timer in CTC mode using
OCR0A as TOP.
The FOC0A bit is always read as zero.
Bit
Read/Write
Initial Value
shows the setting of OCF0A in all modes except CTC mode.
shows the setting of OCF0A and the clearing of TCNT0 in CTC mode.
FOC0A
caler (f
W
7
0
clk_I/O
WGM00
R/W
6
0
/8)
COM0A1
R/W
5
0
COM0A0
R/W
4
0
WGM01
R/W
3
0
CS02
R/W
2
0
AT90CAN32/64/128
CS01
R/W
1
0
CS00
R/W
0
0
TCCR0A
clk_I/O
/8)
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