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EM6819 Datasheet(PDF) 78 Page - EM Microelectronic - MARIN SA

Part # EM6819
Description  Sub-1V (0.6V) 8bit Flash MCU DC-DC Converter
PDF  154 Pages
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Manufacturer  EMMICRO [EM Microelectronic - MARIN SA]
Direct Link  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6819 Datasheet(HTML) 78 Page - EM Microelectronic - MARIN SA

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EM6819
Copyright
© 2009, EM Microelectronic-Marin SA
07 /09 – rev.D
78
www.emmicroelectronic.com
15.3 OUTPUT SIGNALS ON PORT B
Different internal clock frequencies and PWM signals can be outout on all port B terminals. (PB[n] Output data)
•
The selection is done with the registers PB[n]OutSel1,0 . All clock outputs (PR1_x, PR2_x, ck_x) have a 50%
duty cycle.
•
By default the register data PBDOut[n] value is seleted as data output.
•
Data is only output if the corresponding PBOutEn[n] bit is high.
Table 15.3-1 Port B Output signal selection
PB0OutSel1
PB0OutSel0
PB0 Output Data
remarks
0
0
PBDOUT[0]
01
PWM3
10
PWM2
11
PWM4
PB1OutSel1
PB1OutSel0
PB1 Output Data
remarks
0
0
PBDOUT[1]
0
1
PWM3_N
1
0
PWM2_N
1
1
PWM4_N
PB2OutSel1
PB2OutSel0
PB2 Output Data
remarks
0
0
PBDOUT[2]
01
SCLK
10
PWM1
11
PWM3
PB3OutSel1
PB3OutSel0
PB3 Output Data
remarks
0
0
PBDOUT[3]
01
CK_Hi
1
0
PWM1_N
1
1
PWM3_N
PB4OutSel1
PB4OutSel0
PB4 Output Data
remarks
0
0
PBDOUT[4]
01
SOUT
10
PWM1
11
PWM3
PB5OutSel1
PB5OutSel0
PB5 Output Data
remarks
0
0
PBDOUT[5]
01
PWM3
10
PWM2
11
PWM4
PB6OutSel1
PB6OutSel0
PB6 Output Data
remarks
0
0
PBDOUT[6]
0
1
PWM1_N
1
0
PWM3_N
1
1
Pr1Ck11
2kHz if CK_PR1=32kHz
PB7-OutSel1
PB7-OutSel0
PB7 Output Data
remarks
0
0
PBDOUT[7]
01
PWM1
10
PWM3
1
1
Pr1Ck10
1kHz if CK_PR1=32kHz
Wheras:
•
PWM3 = PWM output of timer 3 (refer to timer section)
•
PWM3_N = inverse PWM output of timer 3
•
Ck_Hi = High frequency base clock (refer to clock selection)
•
Pr1Ck10 = Prescaler 1, ck10 output (refer to prescaler)



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