ST72511R6 datasheet(59/164 Pages) STMICROELECTRONICS

부품명	ST72511R6

상세설명	8-BIT MCU WITH NESTED INTERRUPTS, EEPROM, ADC, 16-BIT TIMERS, 8-BIT PWM ART, SPI, SCI, CAN INTERFACES

PDF	164 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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59 / 164 page

ST72311R, ST72511R, ST72512R, ST72532R

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PWM AUTO-RELOAD TIMER (Cont’d)

PWM CONTROL REGISTER (PWMCR)

Read/Write

Reset Value: 0000 0000 (00h)

Bit 7:4 = OE[3:0]

PWM Output Enable

These bits are set and cleared by software. They

enable or disable the PWM output channels inde-

pendently acting on the corresponding I/O pin.

0: PWM output disabled.

1: PWM output enabled.

Bit 3:0 = OP[3:0]

PWM Output Polarity

These bits are set and cleared by software. They

independently select the polarity of the four PWM

output signals.

Note: When an OPx bit is modified, the PWMx out-

put signal polarity is immediately reversed.

DUTY CYCLE REGISTERS (DCRx)

Read/Write

Reset Value: 0000 0000 (00h)

Bit 7:0 = DC[7:0]

Duty Cycle Data

These bits are set and cleared by software.

A DCRx register is associated with the OCRx reg-

ister of each PWM channel to determine the sec-

ond edge location of the PWM signal (the first

edge location is common to all channels and given

by the ARR register). These DCR registers allow

the duty cycle to be set independently for each

PWM channel.

OE3

OE2

OE1

OE0

OP3

OP2

OP1

OP0

PWMx output level

OPx

Counter <= OCRx

Counter > OCRx

DC7

DC6

DC5

DC4

DC3

DC2

DC1

DC0

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