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L9805 Datenblatt(PDF) 52 Page - STMicroelectronics

Teilenummer L9805
Bauteilbeschribung  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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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9805 Datenblatt(HTML) 52 Page - STMicroelectronics

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L9805
PWM COUNTER REGISTER LOW (CTL)
PWM1 Register Address: 0016h
PWM2 Register Address: 001Eh
Read Only
Reset Value: 0000 0000 (00h)
This is an 8-bit register that contains the low part of
the PWM counter value.
PWM COUNTER REGISTER HIGH(CTH)
PWM1 Register Address: 0015h
PWM2 Register Address: 001Dh
Read Only
Reset Value: 0000 0000 (00h)
This is an 8-bit register that contains the high part
of the PWM counter value.
70
MSB
LSB
70
MSB
LSB
Table 9. PWM Timing (fCPU = 8MHz)
Prescaler (PS)
Tinternal clock
CYREG @16 bit Resolution
PWM cycle @ fin=8MHz
0
1/f in * 2
ps
1/f in * 2
ps * 1.....1/f
in * 2
ps * 65535
0.125
µs..... ~8192 µs
1
1/f in * 2
ps
1/f in * 2
ps * 1.....1/f
in * 2
ps * 65535
0.25
µs....... ~16384 µs
2
1/f in * 2
ps
1/f in * 2
ps * 1.....1/f
in * 2
ps * 65535
0.5
µs......... ~32768 µs
3
1/f in * 2
ps
1/f in * 2
ps * 1.....1/f
in * 2
ps * 65535
1
µs............ 65535 µs
4
1/f in * 2
ps
1/f in * 2
ps * 1.....1/f
in * 2
ps * 65535
2
µs............ 131070 µs
5
1/f in * 2
ps
1/f in * 2
ps * 1.....1/f
in * 2
ps * 65535
4
µs............ 262140 µs
6
1/f in * 2
ps
1/f in * 2
ps * 1.....1/f
in * 2
ps * 65535
8
µs............ 524280 µs
7
1/f in * 2
ps
1/f in * 2
ps * 1.....1/f
in * 2
ps * 65535
16
µs.......... 1048560 µs



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