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PIC16F685-E/ML Datasheet(PDF) 135 Page - Microchip Technology

Part # PIC16F685-E/ML
Description  20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
PDF  306 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F685-E/ML Datasheet(HTML) 135 Page - Microchip Technology

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© 2008 Microchip Technology Inc.
DS41262E-page 133
PIC16F631/677/685/687/689/690
FIGURE 11-5:
EXAMPLE SIMPLIFIED BLOCK DIAGRAM OF THE ENHANCED PWM MODE
TABLE 11-4:
EXAMPLE PIN ASSIGNMENTS FOR VARIOUS PWM ENHANCED MODES
CCPR1L
CCPR1H (Slave)
Comparator
TMR2
Comparator
PR2
(1)
RQ
S
Duty Cycle Registers
DC1B<1:0>
Clear Timer2,
toggle PWM pin and
latch duty cycle
Note 1:
The 8-bit timer TMR2 register is concatenated with the 2-bit internal Q clock, or 2 bits of the prescaler to create the 10-bit
time base.
TRIS
CCP1/P1A
TRIS
P1B
TRIS
P1C
TRIS
P1D
Output
Controller
P1M<1:0>
2
CCP1M<3:0>
4
PWM1CON
CCP1/P1A
P1B
P1C
P1D
Note 1: The TRIS register value for each PWM output must be configured appropriately.
2: Clearing the CCP1CON register will relinquish ECCP control of all PWM output pins.
3: Any pin not used by an Enhanced PWM mode is available for alternate pin functions
ECCP Mode
P1M<1:0>
CCP1/P1A
P1B
P1C
P1D
Single
00
Yes(1)
Yes(1)
Yes(1)
Yes(1)
Half-Bridge
10
Yes
Yes
No
No
Full-Bridge, Forward
01
Yes
Yes
Yes
Yes
Full-Bridge, Reverse
11
Yes
Yes
Yes
Yes
Note 1:
Pulse Steering enables outputs in Single mode.



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