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| 型号： | STM8AF6146TDXXXX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | MICROCONTROLLER, PQFP32 |
| 封装： | 7 X 7 MM, LQFP-32 |
| 文件页数： | 10/90页 |
| 文件大小： | 1466K |
| 代理商： | STM8AF6146TDXXXX |
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Product overview
STM8AF61xx STM8AH61xx
5.7.3
Multipurpose and PWM timers
STM8A devices described in this datasheet, contain up to three 16-bit multipurpose and
PWM timers providing nine CAPCOM channels in total.
Timer 1: Multipurpose PWM timer
This is a high-end timer designed for a wide range of control applications. With its
complementary outputs, dead-time control and center-aligned PWM capability, the field of
applications is extended to motor control, lighting and half-bridge driver.
●
16-bit up, down and up/down AR (auto-reload) counter with 16-bit prescaler
●
Four independent CAPCOM channels configurable as input capture, output compare,
PWM generation (edge and center aligned mode) and single pulse mode output
●
Trigger module which allows the interaction of timer 1 with other timers or the ADC to
be controlled
●
Break input to force the timer outputs into a defined state
●
Three complementary outputs with adjustable dead time
●
Interrupt sources: 4 x input capture/output compare, 1 x overflow/update, 1 x break
Timer 2 and 3: 16-bit PWM timers
●
16-bit auto-reload up-counter
●
15-bit prescaler adjustable to fixed power of two ratios 1…32768
●
Timers with three or two individually configurable CAPCOM channels
●
Interrupt sources: 2 or 3 x input capture/output compare, 1 x overflow/update
5.7.4
Timer 4: System timer
●
8-bit auto-reload, adjustable prescaler ratio to any power of two from 1 to 128
●
Clock source: master clock
●
Interrupt source: 1 x overflow/update
Table 3.
STM8A timer configuration
Timer
Counter
Prescaler
Type
CAPCOM
Complementary
outputs
Synchronization
module
Timer1
16
Up/down
4
3
Yes
Timer2
15-bit fixed power
of 2 ratios
Up
3
0No
Timer3
2
Timer4
8
7-bit fixed power
of 2 ratios
0
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