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UPD17708 Datasheet(PDF) 210 Page - NEC

No. de pieza UPD17708
Descripción Electrónicos  4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM
PDF  356 Pages
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Fabricante Electrónico  NEC [NEC]
Página de inicio  http://www.nec.com/
Logo NEC - NEC

UPD17708 Datasheet(HTML) 210 Page - NEC

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210
µPD17704, 17705, 17707, 17708, 17709
Figure 15-7. Configuration of PWM Data Registers (with 9-bit counter selected)
Note
This register is multiplexed with timer 3 modulo register.
Sets PWM output duty of each pin
Data buffer
DBF3
DBF2
Name
Symbol
Address
Bit
Data
DBF1
DBF0
b3 b2
b1 b0
b7
b8
b9
0
b10
0
b11
0
b12
0
b13
0
b14
0
b15
0
b6
b5 b4
PWM data register 2Note
PWMR2
46H
Power-On reset
WDT&SP reset
CE reset
Clock stop
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Retained
Transfer data
Valid data
0
x
Duty: D =
Fixed to “0”
1FFH
16 bits
GET
PUT
Name
Symbol
Address
Bit
Data
b3 b2
b1 b0
b7
b8
b9
0
b10
0
b11
0
b12
0
b13
0
b14
0
b15
0
b6
b5 b4
PWM data register 1
PWMR1
45H
Valid data
GET
PUT
Name
Symbol
Address
Bit
Data
b3 b2
b1 b0
b7
b8
b9
0
b10
0
b11
0
b12
0
b13
0
b14
0
b15
0
b6
b5 b4
PWM data register 0
PWMR0
44H
Valid data
GET
PUT
x+0.25
512
× 100 %



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