SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 114
Version 1.1
10.5.2 Edge-aligned Down-counting Mode
The timer count TC[15:0] will be reset to the value of CT16Bn_MR3 after resetting counter or TC reaches 0. Besides, TC
is blocked while the value of CT16Bn_MR3 is zero.
The following figure shows a timer configured to reset the count in Edge-aligned down-counting mode. The
register is set to 0, and the
register is set to 54. After TC reaches 0, the timer count is reset
and loaded from the value of CT16Bn_MR3.
PCLK
CT16Bn_TC
4
3
2
1
0
54
53
52
10.5.3 Center-aligned Counting Mode
In Center-aligned counting mode, TC counts up from 0 to the value of CT16Bn_MR3, and then counts down to 0
alternatively. Besides, TC is blocked while the value of CT16Bn_MR3 is zero.
The following figure shows a timer in Center-aligned counting mode. The
PCLK
CT16Bn_TC
1
2
3
4
5
4
3
2
0