L9803 STMicroelectronics, L9803 Datasheet - Page 54
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L9803
Manufacturer Part Number
L9803
Description
Super Smart Power Motor Driver With 8-bit Mcu, Ram, Eeprom, Adc, Wdg, Timers, Pwm And H-bridge Driver
Manufacturer
STMicroelectronics
Datasheet
1.L9803.pdf
(126 pages)
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Bit 7 = ICIE Input Capture Interrupt Enable.
0: Interrupt is inhibited.
1: A timer interrupt is generated whenever the ICF1 or ICF2 bits of the SR register are set
Bit 6 = OCIE Output Compare Interrupt Enable.
0: Interrupt is inhibited.
1: A timer interrupt is generated whenever the OCF1 or OCF2 bits of the SR register are
set
Bit 5 = TOIE Timer Overflow Interrupt Enable.
0: Interrupt is inhibited.
1: A timer interrupt is enabled whenever the TOF bit of the SR register is set.
Bit 4 = FOLV2 Forced Output Compare 2.
0: No effect.
1: Forces the OLVL2 bit to be copied to the OCMP2 pin.
Bit 3 = FOLV1 Forced Output Compare 1.
0: No effect.
1: Forces OLVL1 to be copied to the OCMP1 pin.
Bit 2 = OLVL2 Output Level 2.
This bit is copied to the OCMP2 pin whenever a successful comparison occurs with the
OCR2 register. This value is copied to the OCMP1 pin in One Pulse Mode and Pulse Width
Modulation mode.
Bit 1 = IEDG1 Input Edge 1.
This bit determines which type of level transition on the ICAP1 pin will trigger the capture.
0: A falling edge triggers the capture.
1: A rising edge triggers the capture.
Bit 0 = OLVL1 Output Level 1.
The OLVL1 bit is copied to the OCMP1 pin whenever a successful comparison occurs with
the OCR1 register.
CONTROL REGISTER 2 (CR2)
Timer1 Register Address: 0031h
Timer2 Register Address: 0041h
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