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L9805 Datasheet(PDF) 50 Page - STMicroelectronics

Part # L9805
Description  Super Smart Power Motor Driver with 8-BIT MCU, CAN Interface, 16K EPROM, 256Bytes RAM, 128 Bytes EEPROM, 10 Bit ADC, WDG, 2 Timers, 2 PWM Modules, Ful
PDF  103 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9805 Datasheet(HTML) 50 Page - STMicroelectronics

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L9805
DUTYREG value of 0000h, the PWM output is per-
manently at low level, no matter of the value of
CYREG. With a DUTYREG value of FFFFh, the
PWM output is permanently at high level.
Interrupt Request
The EN_INT bit in CONREG register must be set
to enable the interrupt generation. When the 16
bits of the counter roll-over CYCLEREG value, in-
terrupt request is set.
The interrupt request is cleared when any of the
PWM registers is written.
Figure 27. PWM Generation
COUNTER
CYREG
COMPARE
VALUE
000
t
PWM OUTPUT
t
T
(INTERNAL CLOCK) x Cyreg_value
value
Interrupt Generation



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