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ST7LITEUS5 Datasheet(PDF) 76 Page - STMicroelectronics

Part # ST7LITEUS5
Description  Interrupt management
PDF  136 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LITEUS5 Datasheet(HTML) 76 Page - STMicroelectronics

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On-chip peripherals
ST7LITEUS2, ST7LITEUS5
76/136
Auto reload register (ATRL)
This is a 12-bit register which is written by software. The ATR register value is automatically
loaded into the upcounter when an overflow occurs. The register value is used to set the
PWM frequency.
Reset value: 0000 0000 (00h)
PWM0 duty cycle register high (DCR0H)
Reset value: 0000 0000 (00h)
PWM0 duty cycle register low (DCR0L)
This 12-bit value is written by software. The high register must be written first.
In PWM mode (OE0=1 in the PWMCR register) the DCR[11:0] bits define the duty cycle of
the PWM0 output signal (see Figure 34). In Output Compare mode, (OE0=0 in the PWMCR
register) they define the value to be compared with the 12-bit upcounter value.
Reset value: 0000 0000 (00h)
7
0
ATR7
ATR6
ATR5
ATR4
ATR3
ATR2
ATR1
ATR0
Read/Write
Bits 15:12 Reserved, must be kept cleared.
Bits 11:0 ATR[11:0] Auto-reload Register.
15
8
0
0
0
0
DCR11
DCR10
DCR9
DCR8
Read/Write
7
0
DCR7
DCR6
DCR5
DCR4
DCR3
DCR2
DCR1
DCR0
Read/Write
Bits 15:12 Reserved, must be kept cleared.
Bits 11:0 DCR[11:0] PWMx duty cycle value
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