PIC16C66-20/SO Microchip Technology, PIC16C66-20/SO Datasheet - Page 135

• Manufacturer Part Number: PIC16C66-20/SO
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SOP,28PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C66-20/SO

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: OTP
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: PIC16C
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 3 bit
• Operating Supply Voltage: 2.5 V to 6 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000, DM163022
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MIL309-1073 - ADAPTER 28-SOIC TO 28-SOIC309-1024 - ADAPTER 28-SOIC TO 28-DIP309-1023 - ADAPTER 28-SOIC TO 28-DIP
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

FIGURE 13-14: EXTERNAL POWER-ON
Note 1: External Power-on Reset circuit is required
1997 Microchip Technology Inc.
2: R < 40 k is recommended to make sure
3: R1 = 100 to 1 k will limit any current
only if V
diode D helps discharge the capacitor
quickly when V
that voltage drop across R does not violate
the devices electrical specifications.
flowing into MCLR from external capacitor
C in the event of MCLR/V
down due to Electrostatic Discharge
(ESD) or Electrostatic Overstress (EOS).
D
V
DD
RESET CIRCUIT (FOR SLOW
V
DD
R
DD
C
power-up slope is too slow. The
POWER-UP)
DD
R1
powers down.
PIC16CXX
MCLR
PP
pin break-
FIGURE 13-15: EXTERNAL BROWN-OUT
FIGURE 13-16: EXTERNAL BROWN-OUT
Note 1: This brown-out circuit is less expensive,
Note 1: This circuit will activate reset when V
V
V
2: Internal brown-out detection on the
3: Resistors should be adjusted for the
2: Internal brown-out detection on the
3: Resistors should be adjusted for the
DD
DD
albeit less accurate. Transistor Q1 turns
off when V
that:
PIC16C62A/R62/63/R63/64A/R64/65A/
R65/66/67 should be disabled when using
this circuit.
characteristics of the transistors.
goes below (Vz + 0.7V) where Vz = Zener
voltage.
PIC16C62A/R62/63/R63/64A/R64/65A/
R65/66/67 should be disabled when using
this circuit.
characteristics of the transistors.
R1
R2
33k
V
DD
PROTECTION CIRCUIT 1
PROTECTION CIRCUIT 2
•
10k
DD
R1 + R2
is below a certain level such
R1
Q1
PIC16C6X
40k
40k
= 0.7V
MCLR
DS30234D-page 135
V
PIC16CXX
MCLR
V
PIC16CXX
DD
DD
DD