MCBSTM32EXL Keil, MCBSTM32EXL Datasheet - Page 335

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

Specifications of MCBSTM32EXL

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

RM0008
Figure 125. Capture/compare channel 1 main circuit
Figure 126. Output stage of capture/compare channel (channel 1)
The capture/compare block is made of one preload register and one shadow register. Write
and read always access the preload register.
In capture mode, captures are actually done in the shadow register, which is copied into the
preload register.
In compare mode, the content of the preload register is copied into the shadow register
which is compared to the counter.
TIMx_EGR
read CCR1H
read CCR1L
CC1S[1]
CC1S[0]
IC1PS
CC1E
CC1G
CNT > CCR1
CNT = CCR1 Controller
ETRF
R
S
Output Mode
OC1M[2:0]
TIMx_CCMR1
input
mode
read_in_progress
oc1ref
capture_transfer
Capture/Compare Shadow Register
Capture/Compare Preload Register
Doc ID 13902 Rev 9
MCU-peripheral interface
capture
To the master mode
controller
8
APB Bus
Counter
8
compare_transfer
write_in_progress
comparator
TIMx_CCER
General-purpose timer (TIMx)
CC1P
CNT>CCR1
CNT=CCR1
0
1
mode
output
S
R
Output
Enable
Circuit
CC1E TIMx_CCER
(from time
base unit)
write CCR1H
write CCR1L
UEV
CC1S[1]
CC1S[0]
OC1PE
OC1
TIMx_CCMR1
OC1PE
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