PIC16C716-20I/P Microchip Technology, PIC16C716-20I/P Datasheet - Page 57

• Manufacturer Part Number: PIC16C716-20I/P
• Description: IC MCU OTP 2KX14 A/D PWM 18DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C716-20I/P

• 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: 3.5KB (2K x 14)
• Program Memory Type: OTP
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 4x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 18-DIP (0.300", 7.62mm)
• Processor Series: PIC16C
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 13
• Number Of Timers: 3 bit
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 4 bit
• For Use With: ISPICR1 - ADAPTER IN-CIRCUIT PROGRAMMING309-1059 - ADAPTER 18 ZIF BD W/18SO PLUGSDVA16XP180 - ADAPTER DEVICE FOR MPLAB-ICEAC164010 - MODULE SKT PROMATEII DIP/SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

9.4
A Power-on Reset pulse is generated on-chip when
V
advantage of the POR, just tie the MCLR pin directly (or
through a resistor) to V
RC components usually needed to create a Power-on
Reset. A maximum rise time for V
(parameter D004). For a slow rise time, see Figure 9-5.
When the device starts normal operation (exits the
Reset condition), device operating parameters (volt-
age, frequency, temperature,...) must be met to ensure
operation. If these conditions are not met, the device
must be held in Reset until the operating conditions are
met. Brown-out Reset may be used to meet the start-
up conditions.
FIGURE 9-5:
© 2005 Microchip Technology Inc.
DD
Note 1: External Power-on Reset circuit is
rise is detected (to a level of 1.5V-2.1V). To take
2: R < 40 k is recommended to make sure
3: R1 = 100 to 1 k will limit any current
Power-On Reset (POR)
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).
V
DD
R
C
V
DD
EXTERNAL POWER-ON
RESET CIRCUIT (FOR
SLOW V
DD
. This will eliminate external
R1
DD
power-up slope is too
DD
PIC16C7XX
MCLR
DD
POWER-UP)
PP
DD
powers down.
pin break-
is specified
9.5
The Power-up Timer provides a fixed nominal time-out
(parameter #33), on power-up only, from the POR. The
Power-up Timer operates on an internal RC oscillator.
The chip is kept in Reset as long as the PWRT is active.
The PWRT’s time delay allows V
acceptable level. A Configuration bit is provided to
enable/disable the PWRT.
The power-up time delay will vary from chip to chip due
to V
parameters for details.
9.6
The Oscillator Start-up Timer (OST) provides a 1024
oscillator cycle (from OSC1 input) delay after the
PWRT delay is over (parameter #32). This ensures that
the crystal oscillator or resonator has started and
stabilized.
The OST time-out is invoked only for XT, LP and HS
modes and only on Power-on Reset or wake-up from
Sleep.
9.7
The PIC16C712/716 members have on-chip Brown-
out Reset circuitry. A Configuration bit, BODEN, can
disable (if clear/programmed) or enable (if set) the
Brown-out Reset circuitry. If V
to V
parameter (T
tion will reset the chip. A Reset is not guaranteed to
occur if V
(T
On any Reset (Power-on, Brown-out, Watchdog, etc.)
the chip will remain in Reset until V
V
keep the chip in Reset an additional 72 ms.
If V
running, the chip will go back into a Brown-out Reset
and the Power-up Timer will be re-initialized. Once V
rises above V
72 ms Reset. The Power-up Timer should always be
enabled when Brown-out Reset is enabled. Figure 9-7
shows typical Brown-out situations.
For operations where the desired brown-out voltage is
other than 4V, an external brown-out circuit must be
used. Figure 9-8, 9-9 and 9-10 show examples of
external brown-out protection circuits.
BOR
BOR
DD
BOR
DD
. The Power-up Timer will now be invoked and will
).
drops below V
, temperature, and process variation. See DC
parameter D005(V
Power-up Timer (PWRT)
Oscillator Start-up Timer (OST)
Brown-Out Reset (BOR)
DD
BOR
falls below 4.0V for less than parameter
BOR
PIC16C712/716
) in Table 12-6. The brown-out situa-
, the Power-Up Timer will execute a
BOR
while the Power-up Timer is
BOR
DD
) for a time greater than
falls below 4.0V, refer
DD
DS41106B-page 55
DD
to rise to an
rises above
DD