AT90CAN128-16AE ATMEL Corporation, AT90CAN128-16AE Datasheet - Page 151
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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Timer/Counter Timing
Diagrams
4250C–CAN–03/04
The following figures show the Timer/Counter in synchronous mode, and the timer clock
(clk
be replaced by the Timer/Counter Oscillator clock. The figures include information on
when interrupt flags are set. Figure 68 contains timing data for basic Timer/Counter
operation. The figure shows the count sequence close to the MAX value in all modes
other than phase correct PWM mode.
Figure 68. Timer/Counter Timing Diagram, no Prescaling
Figure 69 shows the same timing data, but with the prescaler enabled.
Figure 69. Timer/Counter Timing Diagram, with Prescaler (f
Figure 70 shows the setting of OCF2A in all modes except CTC mode.
Figure 70. Timer/Counter Timing Diagram, Setting of OCF2A, with Prescaler (f
TCNTn
TCNTn
TCNTn
(clk
(clk
(clk
OCRnx
TOVn
TOVn
OCFnx
clk
clk
clk
clk
clk
clk
I/O
I/O
I/O
I/O
I/O
I/O
T2
Tn
Tn
Tn
/1)
/8)
/8)
) is therefore shown as a clock enable signal. In asynchronous mode, clk
OCRnx - 1
MAX - 1
MAX - 1
OCRnx
MAX
MAX
OCRnx Value
OCRnx + 1
BOTTOM
BOTTOM
clk_I/O
AT90CAN128
/8)
BOTTOM + 1
BOTTOM + 1
OCRnx + 2
I/O
clk_I/O
should
151
/8)
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