ATAM894R-TNSY Atmel, ATAM894R-TNSY Datasheet - Page 38
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ATAM894R-TNSY
Manufacturer Part Number
ATAM894R-TNSY
Description
flash, Microcontrollers, Microprocessors, Semiconductors and Actives, ic, mcu
Manufacturer
Atmel
Datasheet
1.ATAM894R-TNSY.pdf
(97 pages)
- Current page: 38 of 97
- Download datasheet (2Mb)
Figure 6-13. 4-/8-bit Compare Counter
38
ATAM894
T2I
T1OUT
SYSCL
SYSCL
TOG3
SCL
P4CR
T2CS1, 0
P41M2, 1
MUX
CL2/2
Mode 3/4: 8-bit Compare Counter and 4-bit Programmable Prescaler
In these modes the 4-bit and the 8-bit counter stages work independently as a 4-bit prescaler
and an 8-bit timer with an 2-bit prescaler or as a duty cycle generator. Only in the mode 3 and
mode 4, can the 8-bit counter be supplied via the external clock input (T2I) which is selected via
the P4CR register. The 4-bit prescaler is started via activating of mode 3 and stopped and reset
in mode 4. Changing mode 3 and 4 has no effect for the 8-bit timer stage. The 4-bit stage can be
used as prescaler for Timer 3, the SSI or to generate the stop signal for modulator 2 and
modulator 3.
CL2/1
T2D1, 0
DCG
8-bit compare
4-bit compare
8-bit counter
8-bit register
4-bit counter
4-bit register
RES
RES
OVF2
CM2
CM1
T2RM
T2OTM
and T2OTM-bit
output mode
Timer 2
T2IM
T2CTM
DCGO
TOG2
INT4
POUT
4679D–4BMCU–05/05
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