PIC16C715-20I/SO Microchip Technology, PIC16C715-20I/SO Datasheet - Page 60

• Manufacturer Part Number: PIC16C715-20I/SO
• Description: IC MCU OTP 2KX14 A/D 18SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C715-20I/SO

• Core Size: 8-Bit
• Program Memory Size: 3.5KB (2K x 14)
• Oscillator Type: External
• Core Processor: PIC
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, 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 4x8b
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 18-SOIC (7.5mm Width)
• Controller Family/series: PIC16C
• No. Of I/o's: 13
• Ram Memory Size: 128Byte
• Cpu Speed: 20MHz
• No. Of Timers: 1
• Digital: RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16C71X
FIGURE 8-14: EXTERNAL POWER-ON
DS30272A-page 60
Note 1: External Power-on Reset circuit is
2: R < 40 k is recommended to make sure
3: R1 = 100 to 1 k will limit any current
required only if V
slow. The diode D helps discharge the
capacitor quickly when V
that voltage drop across R does not violate
the device’s electrical specification.
flowing into MCLR from external capacitor
C in the event of MCLR/V
down due to Electrostatic Discharge
(ESD) or Electrical Overstress (EOS).
D
V
DD
RESET CIRCUIT (FOR SLOW
V
R
DD
C
POWER-UP)
R1
DD
power-up slope is too
PIC16CXX
MCLR
DD
PP
powers down.
pin break-
FIGURE 8-15: EXTERNAL BROWN-OUT
FIGURE 8-16: EXTERNAL BROWN-OUT
Note 1: This circuit will activate reset when V
Note 1: This brown-out circuit is less expensive,
V
V
2: Internal brown-out detection on the
3: Resistors should be adjusted for the char-
DD
DD
2: Internal brown-out detection on the
3: Resistors should be adjusted for the
goes below (Vz + 0.7V) where Vz = Zener
voltage.
PIC16C710/711/715 should be disabled
when using this circuit.
acteristics of the transistor.
R1
R2
33k
albeit less accurate. Transistor Q1 turns
off when V
such that:
PIC16C710/711/715 should be disabled
when using this circuit.
characteristics of the transistor.
V
DD
PROTECTION CIRCUIT 1
PROTECTION CIRCUIT 2
•
10k
DD
R1 + R2
is below a certain level
R1
1997 Microchip Technology Inc.
Q1
40k
40k
= 0.7V
MCLR
V
PIC16CXX
MCLR
V
PIC16CXX
DD
DD
DD