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ST7MC1K2 数据表(PDF) 277 Page - STMicroelectronics

部件名 ST7MC1K2
功能描述  Clock, reset and supply management
PDF  371 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7MC1K2 数据表(HTML) 277 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto
On-chip peripherals
277/371
Repetition counter register (MREP)
Compare phase W preload register high (MCPWH)
Compare phase W preload register low (MCPWL)
MREP
Reset value: 0000 0000 (00h)
7
654
32
10
REP[7:0]
R/W
Table 145.
MREP register description
Bit
Name
Function
7:0 REP[7:0]
Repetition counter value (N)
This register allows the user to set up the update rate of the PWM counter compare
register (that is, periodic transfers from preload to active registers), as well as the
PWM Update interrupt generation rate, if these interrupts are enabled.
Each time the MREP related down-counter reaches zero, the compare registers
are updated, a U interrupt is generated and it re-starts counting from the MREP
value.
After a microcontroller reset, setting the CKE bit in the MCRA register (that is,
enabling the clock for the MTC peripheral) forces the transfer from the MREP
preload register to its active register and generates a U interrupt. During run-time
(while CKE bit = 1) a new value entered in the MREP preload register is taken into
account after a U event.
As shown in Figure 123, (N+1) value corresponds to:
The number of PWM periods in edge-aligned mode
The number of half PWM periods in center- aligned mode
MCPWH
Reset value: 0000 0000 (00h)
7
654
32
10
CPWH[7:0
R/W
Table 146.
MCPWH register description
Bit
Name
Function
7:0 CPWH[7:0] Most significant byte of phase W preload value
MCPWL
Reset value: 0000 0000 (00h)
7
654
32
10
CPWL[7:3]
Reserved
R/W
-
Obsolete
Product(s)
- Obsolete
Product(s)



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