AT90CAN128-16AE ATMEL Corporation, AT90CAN128-16AE Datasheet - Page 130
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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AT90CAN128
Figure 57. Timer/Counter Timing Diagram, Setting of OCFnx, with Prescaler (f
Figure 58 shows the count sequence close to TOP in various modes. When using phase
and frequency correct PWM mode the OCRnx Register is updated at BOTTOM. The
timing diagrams will be the same, but TOP should be replaced by BOTTOM, TOP-1 by
BOTTOM+1 and so on. The same renaming applies for modes that set the TOVn flag at
BOTTOM.
Figure 58. Timer/Counter Timing Diagram, no Prescaling
Figure 59 shows the same timing data, but with the prescaler enabled.
(PC and PFC PWM)
and ICFn
(CTC and FPWM)
TOVn
(Update at TOP)
TCNTn
OCRnx
(clk
OCFnx
OCRnx
TCNTn
TCNTn
as TOP)
(clk
clk
clk
clk
clk
I/O
I/O
I/O
(FPWM)
Tn
I/O
Tn
/8)
/1)
(if used
OCRnx - 1
TOP - 1
TOP - 1
Old OCRnx Value
OCRnx
OCRnx Value
TOP
TOP
OCRnx + 1
BOTTOM
TOP - 1
New OCRnx Value
OCRnx + 2
BOTTOM + 1
4250C–CAN–03/04
TOP - 2
clk_I/O
/8)
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