ST72321AR6-Auto STMicroelectronics, ST72321AR6-Auto Datasheet - Page 95

• Manufacturer Part Number: ST72321AR6-Auto
• Description: 8-bit MCU for automotive with 32 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
• Manufacturer: STMicroelectronics

Specifications of ST72321AR6-Auto

• Hdflash Endurance: 100 cycles, data retention 20 years
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt, Wait and Slow

ST72321xx-Auto
12.3.4
Table 49.
PWM control register (PWMCR)
Table 50.
Table 51.
1. When an OPx bit is modified, the PWMx output signal polarity is immediately reversed.
PWMCR
7:4
3:0
Bit
ARTARR value
7
[ 128..191 ]
[ 192..223 ]
[ 224..239 ]
OE[3:0]
OP[3:0]
Counter <= OCRx
Name
[ 0..127 ]
0
PWM frequency versus resolution
PWMCR register description
PWM output signal polarity selection
1
0
PWM Output Enable
PWM Output Polarity
6
These bits are set and cleared by software. They enable or disable the PWM
output channels independently acting on the corresponding I/O pin.
0: PWM output disabled
1: PWM output enabled
These bits are set and cleared by software. They independently select the polarity
of the four PWM output signals (see
OE[3:0]
RW
PWMx output level
5
Resolution
Doc ID 13829 Rev 1
> 7-bit
> 6-bit
> 5-bit
> 4-bit
8-bit
Counter > OCRx
4
0
1
Function
Table
3
~0.244 kHz
~0.244 kHz
~0.488 kHz
~0.977 kHz
~1.953 kHz
Min
51).
PWM auto-reload timer (ART)
2
Reset value: 0000 0000 (00h)
OP[3:0]
f
PWM
RW
OPx
1
31.25 kHz
0
1
62.5 kHz
125 kHz
250 kHz
500 kHz
(1)
Max
0
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