ST92F150CR9QB View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST92F150CR9QB

8/16-BIT SINGLE VOLTAGE FLASH MCU FAMILY WITH RAM, E³ ™ (EMULATED EEPROM), CAN 2.0B AND J1850 BLPD

STMicroelectronics 

EXTENDED FUNCTION TIMER (EFT)

EXTENDED FUNCTION TIMER (Cont’d)

– When a write is performed on the CLR or ACLR

register in PWM mode, then the Counter will be

reset and the pulse-width/period of the waveform

generated may not be be as desired

Figure 100. Pulse Width Modulation Mode Timing

COUNTER 34E2 FFFC FFFD FFFE

OCMP1

compare2

OLVL2

2ED0 2ED1 2ED2 34E2 FFFC

OLVL1

compare1

OLVL2

compare2

OC1R = 2ED0h, OC2R = 34E2, OLVL1 = 0, OLVL2 = 1

COUNTER

OCMP1

0010 FFFC

OLVL1

000F 0010 FFFC

OLVL2

0010 FFFC

OLVL1

OC1R = OC2R = 0010h, OLVL1 = 1, OLVL2 = 0

0003 0004 FFFC

COUNTER

OLVL1

OCMP1

OLVL2

0003 0004 FFFC

OLVL1

OLVL2

OC1R = FFFCh, OC2R = 0004h, OLVL1 = 1, OLVL2 = 0

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