PIC17C44-16/L Microchip Technology, PIC17C44-16/L Datasheet - Page 18
![IC MCU OTP 8KX16 PWM 44PLCC](/photos/6/63/66325/150-44-plcc_sml.jpg)
PIC17C44-16/L
Manufacturer Part Number
PIC17C44-16/L
Description
IC MCU OTP 8KX16 PWM 44PLCC
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC17C42A-16P.pdf
(241 pages)
3.PIC17C44-16L.pdf
(4 pages)
Specifications of PIC17C44-16/L
Core Size
8-Bit
Program Memory Size
16KB (8K x 16)
Core Processor
PIC
Speed
16MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
33
Program Memory Type
OTP
Ram Size
454 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
44-PLCC
Controller Family/series
PIC17
No. Of I/o's
33
Ram Memory Size
454Byte
Cpu Speed
16MHz
No. Of Timers
4
No. Of Pwm Channels
2
Embedded Interface Type
USART
Rohs Compliant
Yes
Processor Series
PIC17C
Core
PIC
Data Bus Width
8 bit
Data Ram Size
454 B
Interface Type
SCI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
33
Number Of Timers
4
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ICE2000
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164317 - MODULE SKT MPLAB PM3 44PLCCDVA17XL441 - DEVICE ADAPTER FOR PIC17C42A309-1007 - ADAPTER 44-PLCC ZIF TO 40-DIPAC174002 - MODULE SKT PROMATEII 44PLCC
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC17C44-16/L
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC17C4X
FIGURE 4-5:
FIGURE 4-6:
FIGURE 4-7:
DS30412C-page 18
This figure shows in greater detail the timings involved
with the oscillator start-up timer. In this example the
low frequency crystal start-up time is larger than
power-up time (T
Tosc1 = time for the crystal oscillator to react to an
oscillation level detectable by the Oscillator Start-up
Timer (ost).
T
INTERNAL RESET
PWRT TIME_OUT
This circuit will activate reset when V
(Vz + 0.7V) where Vz = Zener voltage.
OST
OST TIME_OUT
= 1024T
33k
V
OSC2
DD
MCLR
V
OSC
DD
OSCILLATOR START-UP TIME
PWRT
USING ON-CHIP POR
BROWN-OUT PROTECTION
CIRCUIT 1
10k
.
T
OSC
).
V
1
DD
40 k
T
PWRT
V
MCLR
MCLR
PIC17CXX
V
DD
PIC17CXX
DD
T
DD
OST
goes below
FIGURE 4-8:
FIGURE 4-9:
Note 1: An external Power-on Reset circuit is
This brown-out circuit is less expensive, albeit less
accurate. Transistor Q1 turns off when V
certain level such that:
V
2: R < 40 k is recommended to ensure
3: R1 = 100 to 1 k will limit any current
DD
R1
R2
D
V
required only if V
slow. The diode D helps discharge the
capacitor quickly when V
down.
that the voltage drop across R does not
exceed 0.2V (max. leakage current spec.
on the MCLR/V
voltage drop will degrade V
MCLR/V
flowing into MCLR from external capaci-
tor C in the event of MCLR/V
breakdown due to Electrostatic Dis-
charge (ESD) or (Electrical Overstress)
EOS.
DD
V
V
DD
DD
R
PIC17C42 EXTERNAL
POWER-ON RESET CIRCUIT
(FOR SLOW V
POWER-UP)
BROWN-OUT PROTECTION
CIRCUIT 2
C
PP
•
pin.
R1 + R2
R1
1996 Microchip Technology Inc.
Q1
PP
R1
40 k
DD
pin is 5 A). A larger
power-up time is too
MCLR
MCLR
PIC17C42
V
PIC17CXX
DD
= 0.7V
DD
DD
IH
powers
DD
PP
level on the
is below a
pin
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