PIC16C781T-I/SO Microchip Technology, PIC16C781T-I/SO Datasheet - Page 102

• Manufacturer Part Number: PIC16C781T-I/SO
• Description: IC MCU CMOS 8BIT 1K 20MHZ 20SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C781T-I/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 13
• Program Memory Size: 1.75KB (1K x 14)
• 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
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• For Use With: AC164028 - MODULE SKT PROMATEII 20SOIC/DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -
• Other names: PIC16C781TI/SO

PIC16C781/782
FIGURE 13-2:
TABLE 13-1:
Legend: x = Don’t Care
DS41171A-page 100
Beginning of PWM cycle
During Min Duty Cycle
After Min Duty Cycle, Before
Max Duty Cycle
Max Duty Cycle
SMCCL1
SMCCL0
F
OSC
MAXDC<1:0>
Time
MINDC<1:0>
C1POL
C2POL
Comparator Module
1:1
C1
C2
S1
3
PSMC1A OUTPUT SEQUENCE IN PWM MODE USING C1 COMPARATOR ONLY
S0
1:2
2
PSMC MODULE IN DUAL ALTERNATING OUTPUT PWM MODE (SIMPLIFIED
BLOCK DIAGRAM)
1:4
PSMC
CLK
1
q = Prior State
2
2
1:8
0
Controller
4-bit Counter
PSMC
MINDC<1:0>
Cycle A
Cycle B
4
non-zero
non-zero
New
New
Max
C1OUT
SMCCS
C2OUT
DC
00
x
x
0 = Inactive
RB6/C1/
EXAMPLE
New Cycle A
New Cycle B
Max DC
C1OUT
PSMC1A
RB7/C2/
PSMC1B/T1G
DC = Duty Cycle
Preliminary
1 = Active
ASSUMES S1APOL=0
Min DC
C1OUT
H
L
H
L
x
x
x
H
L
S1BPOL
Period
S1APOL
S1BPOL=0
Dominant
S
Dominant
S
R
R
H = High
Set
Set
Q
Q
Min DC
SMCCS=0 PWM/PSM=1
SMCON=1 SMCOM=1
PSMC1A Output Signal
L = Low
Period
2001 Microchip Technology Inc.
0
0
q
q
0
1
0
Min DC
0
0
1
1
RB7/C2/PSMC1B/T1G
RB6/C1/PSMC1A