比較的安価に購入できる STM32 ボード。cortex-M が載ってます。

タイマーが多数内蔵されていますけど、機能のバリエーションがあります。
どれを使えばいいんじゃい！どう違うんじゃい！　と言うのを自分のためにまとめました。
データシート（reference manual)の章の頭を持ってきました。細部には差があるのかもしれません。

もしかして、公式に機能比較があったりする？
STM32F303 から持ってきましたが、TIMx の x を気にすればいいようです。
（日本語が不自由ですみません。　例：STM32F103 の TIM2 は 303 の TIM2 と（ほぼ？）同じ。）

TIMx →	(ソート用)	1	8	20	2	3	4	6	7	15	16	17	note
↓機能	0	adv	adv	adv	gen	gen	gen	bas	bas	gen	gen	gen	adv :advanced-control, bas:basic, gen:general-purpose
• 16-bit up, down, up/down auto-reload counter.	1	v	v	v	v3	v	v						v3: 32bit support
• 16-bit auto-reload upcounter	1.2							v	v	v	v	v
• 16-bit programmable prescaler allowing dividing (also “on the fly”) the counter clock frequency either by any factor between 1 and 65536.	2	v	v	v	v	v	v	v	v	v	v	v
Up to N independent channels for:	3	6	6	6	4	4	4			2	2	2
– Input Capture (but channels 5 and 6)	3.1	v	v	v	v	v	v			v	v	v
– Output Compare	3.2	v	v	v	v	v	v			v	v	v
– PWM generation (Edge and Center-aligned Mode)	3.3	v	v	v	v	v	v			v	v2	v2	v2: not support for center- mode
– One-pulse mode output	3.4	v	v	v	v	v	v			v	v	v
• Complementary outputs with programmable dead-time	8	v	v	v						v1	v	v	v1:for ch1 only
• Synchronization circuit to control the timer with external signals and to interconnect several timers together.	9	v	v	v						v
• Synchronization circuit to control the timer with external signals and to interconnect several timers.	10				v	v	v
• Repetition counter to update the timer registers only after a given number of cycles of the counter	11	v	v	v						v	v	v
• 2 break inputs to put the timer’s output signals in a safe user selectable configuration.	14	v	v	v
• Interrupt/DMA generation on the following events:	15	v	v	v						v
– Update: counter overflow/underflow, counter initialization (by software or internal/external trigger)	15.1	v	v	v	v	v	v			v
– Update: counter overflow	15.11	v	v	v	v	v	v	v	v	v	v	v
– Trigger event (counter start, stop, initialization or count by internal/external trigger)	15.2	v	v	v	v	v	v			v	v	v
– Input capture	15.3	v	v	v	v	v	v			v	v	v
– Output compare	15.4	v	v	v	v	v	v			v	v	v
– Break input (interrupt request)	15.5									v
– Break input	15.7										v	v
• Supports incremental (quadrature) encoder and Hall-sensor circuitry for positioning purposes	21	v	v	v	v	v	v
• Trigger input for external clock or cycle-by-cycle current management	22	v	v	v	v	v	v
• Break input to put the timer’s output signals in the reset state or a known state	37									v	v	v
• Synchronization circuit to trigger the DAC	66							v	v

あ、公式に似たのがありました　→　AN4013 (http://www.st.com/content/st_com/en/search.html#q=AN4013-t=resources-page=1)