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EM78P372KSS20 Datasheet(PDF) 70 Page - ELAN Microelectronics Corp

Part # EM78P372KSS20
Description  8-BIT Microcontroller
PDF  118 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78P372KSS20 Datasheet(HTML) 70 Page - ELAN Microelectronics Corp

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EM78P372K
8-bit Microcontroller
62
Product Specification (V1.4) 05.11.2016
(This specification is subject to change without prior notice)
7.8
Dual Sets of PWM (Pulse Width Modulation)
7.8.1
Overview
In PWM mode, PWM1 and PWM2 pins produce to 8-bit resolution PWM output (see.
the functional block diagram below). A PWM output consists of a time period and a duty
cycle, and it keeps the output high. The baud rate of PWM is the inverse of the time
period. Figure 6-13 ~ Figure 6-16 (PWM Output Timing) depicts the relationships
between a time period and a duty cycle.
Data
Bus
S
R
Q
TXEN
PWMX
S
R
Q
PWMXE
Comparator
Comparator
Comparator
TMRXL
PRDL
Data
Bus
Deadtime
DeadTP 0
MUX
1:4
1:8
1:2
1:1
DeadTP1
IPWMXE
TMRX
prescaler
Period match
Reset
To
PWMXPIF
Q
Q
Fosc
MUX
Fosc
1:4
1:8
1:64
1:2
1:16
1:128
1:256
1:1
TMRX
prescaler
TXP2 TXP1 TXP0
IPWMXA
MUX
1
0
/PWMX
PWMXA
MUX
1
0
Comparator
deadtime
deadtime
prescaler
DeadTR
Duty
Writing PRDL
Period
Writing PRDL
Duty+Deadtime
To
PWMXDIF
DTL
Figure 7-14 PWM System Block Diagram



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