MCBSTM32EXL Keil, MCBSTM32EXL Datasheet - Page 321

• Manufacturer Part Number: MCBSTM32EXL
• Description: BOARD EVALUATION FOR STM32F103ZE
• Manufacturer: Keil

Specifications of MCBSTM32EXL

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RM0008
14.3
14.3.1
Figure 99. General-purpose timer block diagram
TIMx functional description
Time-base unit
The main block of the programmable timer is a 16-bit counter with its related auto-reload
register. The counter can count up, down or both up and down. The counter clock can be
divided by a prescaler.
The counter, the auto-reload register and the prescaler register can be written or read by
software. This is true even when the counter is running.
The time-base unit includes:
●
●
●
TIMx_ETR
TIMx_CH1
TIMx_CH2
TIMx_CH3
TIMx_CH4
Counter Register (TIMx_CNT)
Prescaler Register (TIMx_PSC):
Auto-Reload Register (TIMx_ARR)
Notes:
Reg
XOR
Preload registers transferred
to active registers on U event
according to control bit
event
interrupt & DMA output
TI3
TI2
TI4
TI1
TIMxCLK from RCC
edge detector
edge detector
edge detector
edge detector
Input filter &
Input filter &
Input filter &
Input filter &
ITR0
ITR1
ITR2
ITR3
ETR
Internal Clock (CK_INT)
TI1FP1
TI1FP2
TI2FP1
TI2FP2
TI3FP3
TI3FP4
TI4FP3
TI4FP4
TRC
TRC
TRC
TRC
Doc ID 13902 Rev 9
CK_PSC
Polarity selection & edge
detector & prescaler
IC1
IC3
IC4
IC2
TI1F_ED
Prescaler
ITR
Prescaler
Prescaler
Prescaler
PSC
Prescaler
ETRP
IC1PS
IC2PS
IC3PS
IC4PS
CK_CNT
TI2FP2
Input filter
TI1FP1
TRC
CC2I
CC3I
CC4I
CC1I
U
U
U
U
U
Stop, clear or up/down
+/-
Capture/compare 1 register
Capture/compare 2 register
Capture/compare 3 register
Capture/compare 4 register
ETRF
ETRF
Autoreload register
TRGI
counter
CNT
TGI
General-purpose timer (TIMx)
Interface
Encoder
controller
controller
Trigger
mode
Slave
Reset, enable, up/down, count,
U
OC1REF
OC2REF
TRGO
OC3REF
OC4REF
CC1I
CC3I
CC2I
CC4I
UI
to other timers
to DAC/ADC
control
control
control
control
output
output
output
output
OC1
OC2
OC3
OC4
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TIMx_CH1
TIMx_CH2
TIMx_CH3
TIMx_CH4