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L9803 データシート(PDF) 65 Page - STMicroelectronics

部品番号 L9803
部品情報  Super smart power motor driver with 8-Bit MCU, RAM, EEPROM, ADC, WDG, Timers, PWM and H-bridge driver
PDF  126 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9803 データシート(HTML) 65 Page - STMicroelectronics

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L9803
On-Chip Peripherals
65/126
Read/Write
Reset Value: 0000 0000 (00h)
Bit 0= EN _PWM: 1 = enables the PWM output, 0 = disables PWM output.
Bit 1= EN _INT: 1 = enables interrupt request, 0 disables interrupt request.
Bit 4, 3, 2= PS2,PS1,PS0: prescaler bits
The value of the PWM internal clock depends on these bits.
Bit 5, 6, 7= not used.
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.
7
4
32
10
0
0
0
PS2
PS1
PS0
EN_ INT
EN_ PWM
PS2
PS1
PS0
PWM
internal clock
00
0
fCPU
00
1
fCPU / 2
01
0
fCPU / 4
01
1
fCPU / 8
10
0
fCPU / 16
10
1
fCPU / 32
11
0
fCPU / 64
11
1
fCPU / 128
7
0
MSB
LSB



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