PIC16C782-I/P Microchip Technology, PIC16C782-I/P Datasheet - Page 101
![IC MCU CMOS 8BIT 2K 20MHZ 20-DIP](/photos/12/13/121303/150-20-dip_sml.jpg)
PIC16C782-I/P
Manufacturer Part Number
PIC16C782-I/P
Description
IC MCU CMOS 8BIT 2K 20MHZ 20-DIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheets
1.PIC16C781-ISO.pdf
(186 pages)
2.PIC16C781-ISO.pdf
(8 pages)
3.PIC16C781-ISO.pdf
(8 pages)
Specifications of PIC16C782-I/P
Core Size
8-Bit
Program Memory Size
3.5KB (2K x 14)
Oscillator Type
Internal
Core Processor
PIC
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
13
Program Memory Type
OTP
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x8b; D/A 1x8b
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Controller Family/series
PIC16C
No. Of I/o's
16
Ram Memory Size
128Byte
Cpu Speed
20MHz
No. Of Timers
2
No. Of
RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA16XP202 - ADAPTER DEVICE PIC16C781/782DM163012 - BOARD DEMO PICDEM FOR 16C781/782AC164028 - MODULE SKT PROMATEII 20SOIC/DIP
Eeprom Size
-
Connectivity
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PIC16C782I/P
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13.0
The Programmable Switch Mode Controller module
provides all the necessary features to implement a
pulsed feedback control system. The PSMC generates
a pulse output based on its analog feedback.
Feedback from the comparator is programmable,
allowing:
• Single or dual channel feedback
• Programmable reference voltage selection
• Programmable polarity
The pulse output of the PSMC is also programmable,
featuring either Pulse Width (PWM) or Pulse Skip
(PSM) Modulation. In PSM, a fixed duty cycle is gener-
ated or skipped, based on feedback. In PWM a feed-
back controlled pulse width is generated. In addition,
the output configuration of the PSMC is programmable,
enabling the following features:
• A single output
• A single output plus a slope compensation output
• Dual alternating outputs
FIGURE 13-1:
2001 Microchip Technology Inc.
SMCCL1
SMCCL0
F
OSC
PROGRAMMABLE SWITCH
MODE CONTROLLER (PSMC)
MAXDC<1:0>
MINDC<1:0>
C1POL
C2POL
Comparator Module
1:1
C1
C2
S1
3
S0
1:2
2
PSMC MODULE IN SINGLE OUTPUT PWM MODE (SIMPLIFIED BLOCK
DIAGRAM)
PSMC
CLK
1:4 1:8
1
2
2
0
Controller
4-bit Counter
PSMC
4
Switch
Cycle
New
Max
C1OUT
SMCCS
C2OUT
DC
SC
DC = Duty Cycle
EXAMPLE
New Cycle
Max D/C
SC Switch
C1OUT
RB6/C1/
PSMC1A
RB7/C2/
PSMC1B/T1G
Preliminary
ASSUMES S1APOL=0
All pulse start and duty cycle limit timing features of the
PSMC are derived from the internal CPU clock.
Block diagrams for the PSMC are shown in Figure 13-1
through Figure 13-3.
13.1
In the PWM mode, the PSMC (shown in Figure 13-1
and Figure 13-2) is a timer-driven set/RESET pulse
generator. Pulses are initiated by the internal counter
chain. Following the completion of the programmable
minimum duty cycle, the output pulse is terminated by
either a high to low transition on the comparator output,
or by the programmable maximum duty cycle (see
Table 13-1 and Table 13-2). The resulting output is a
variable duty cycle pulse with:
• Programmable frequency
• Feedback specified duty cycle
• Programmable minimum duty cycle including 0%
• Programmable maximum duty cycle
SCEN
Min DC
S1APOL
Pulse Width Modulation (PWM)
SMCCS=0
Dominant
S
R
HIGH IMPEDANCE
Set
PIC16C781/782
Q
Period
SCEN=1
SMCON=1 SMCOM=0
V
DD
N
PWM/PSM=1
RB7/C2/PSMC1B/T1G
RB6/C1/PSMC1A
DS41171A-page 99
HIGH IMPEDANCE
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