AT90CAN128-16AE ATMEL Corporation, AT90CAN128-16AE Datasheet - Page 109
AT90CAN128-16AE
Manufacturer Part Number
AT90CAN128-16AE
Description
8-bit Avr Microcontroller With 128K Bytes of Isp Flash And CAN Controller.flash (Kbytes) 128 Vcc (V) 2.7-5.5 EEPROM (Kbytes) 4 SRAM (bytes) 4K CAN (mess. Obj.) 15
Manufacturer
ATMEL Corporation
Datasheet
1.AT90CAN128-16AE.pdf
(391 pages)
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16-bit Timer/Counter (Timer/Counter1 and Timer/Counter3)
Features
Overview
4250C–CAN–03/04
The 16-bit Timer/Counter unit allows accurate program execution timing (event man-
agement), wave generation, and signal timing measurement. The main features are:
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Many register and bit references in this section are written in general form.
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A simplified block diagram of the 16-bit Timer/Counter is shown in Figure 47. For the
actual placement of I/O pins, refer to “Pinout AT90CAN128- TQFP” on page 4. CPU
accessible I/O Registers, including I/O bits and I/O pins, are shown in bold. The device-
specific I/O Register and bit locations are listed in the “16-bit Timer/Counter Register
Description” on page 132.
True 16-bit Design (i.e., Allows 16-bit PWM)
Three independent Output Compare Units
Double Buffered Output Compare Registers
One Input Capture Unit
Input Capture Noise Canceler
Clear Timer on Compare Match (Auto Reload)
Glitch-free, Phase Correct Pulse Width Modulator (PWM)
Variable PWM Period
Frequency Generator
External Event Counter
Four independent interrupt Sources (TOV1, OCF1A, OCF1B, and ICF1 for Timer/Counter1
- TOV3, OCF3A, OCF3B, and ICF3 for Timer/Counter3)
A lower case “n” replaces the Timer/Counter number, in this case 1 or 3. However,
when using the register or bit defines in a program, the precise form must be used,
i.e., TCNT1 for accessing Timer/Counter1 counter value and so on.
A lower case “x” replaces the Output Compare unit channel, in this case A, B or C.
However, when using the register or bit defines in a program, the precise form must
be used, i.e., OCRnA for accessing Timer/Countern output compare channel A
value and so on.
AT90CAN128
109
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