PIC17C43-25E/PQ Microchip Technology, PIC17C43-25E/PQ Datasheet - Page 99
![IC MCU OTP 4KX16 PWM 44-MQFP](/photos/6/59/65984/150-44-pqfp_sml.jpg)
PIC17C43-25E/PQ
Manufacturer Part Number
PIC17C43-25E/PQ
Description
IC MCU OTP 4KX16 PWM 44-MQFP
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC17C42A-16P.pdf
(241 pages)
3.PIC17C43-16P.pdf
(4 pages)
Specifications of PIC17C43-25E/PQ
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
33
Program Memory Size
8KB (4K x 16)
Program Memory Type
OTP
Ram Size
454 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
44-MQFP, 44-PQFP
For Use With
AC164316 - MODULE SKT MPLAB PM3 44MQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC17C43-25E/PQ
Manufacturer:
Microchip Technology
Quantity:
10 000
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14.0
What sets a microcontroller apart from other proces-
sors are special circuits to deal with the needs of real
time applications. The PIC17CXX family has a host of
such features intended to maximize system reliability,
minimize cost through elimination of external compo-
nents, provide power saving operating modes and offer
code protection. These are:
• OSC selection
• Reset
• Interrupts
• Watchdog Timer (WDT)
• SLEEP
• Code protection
FIGURE 14-1: CONFIGURATION WORD
1996 Microchip Technology Inc.
- Power-on Reset (POR)
- Power-up Timer (PWRT)
- Oscillator Start-up Timer (OST)
bit15-7
bit15-7
bit 15-9: Unimplemented : Read as a '1'
bit 15,6,4: PM2, PM1, PM0 , Processor Mode Select bits
bit 7, 5: Unimplemented : Read as a '0'
bit 3-2: WDTPS1:WDTPS0 , WDT Postscaler Select bits
bit 1-0: FOSC1:FOSC0 , Oscillator Select bits
Note 1: This bit does not exist on the PIC17C42. Reading this bit will return an unknown value (x).
PM2
R/P - 1
U - x
—
(1)
SPECIAL FEATURES OF THE
CPU
111 = Microprocessor Mode
110 = Microcontroller mode
101 = Extended microcontroller mode
000 = Code protected microcontroller mode
11 = WDT enabled, postscaler = 1
10 = WDT enabled, postscaler = 256
01 = WDT enabled, postscaler = 64
00 = WDT disabled, 16-bit overflow timer
11 = EC oscillator
10 = XT oscillator
01 = RC oscillator
00 = LF oscillator
R/P - 1
U - x
PM1
—
U - x
U - x
—
—
This document was created with FrameMaker 4 0 4
R/P - 1
U - x
PM0
—
WDTPS1 WDTPS0 FOSC1
R/P - 1
U - x
—
R/P - 1
U - x
—
The PIC17CXX has a Watchdog Timer which can be
shut off only through EPROM bits. It runs off its own RC
oscillator for added reliability. There are two timers that
offer necessary delays on power-up. One is the Oscil-
lator Start-up Timer (OST), intended to keep the chip in
RESET until the crystal oscillator is stable. The other is
the Power-up Timer (PWRT), which provides a fixed
delay of 96 ms (nominal) on power-up only, designed to
keep the part in RESET while the power supply stabi-
lizes. With these two timers on-chip, most applications
need no external reset circuitry.
The SLEEP mode is designed to offer a very low cur-
rent power-down mode. The user can wake from
SLEEP through external reset, Watchdog Timer Reset
or through an interrupt. Several oscillator options are
also made available to allow the part to fit the applica-
tion. The RC oscillator option saves system cost while
the LF crystal option saves power. Configuration bits
are used to select various options. This configuration
word has the format shown in Figure 14-1.
R/P - 1
U - x
—
FOSC0
R/P - 1
U - x
—
bit0
bit0
R = Readable bit
P = Programmable bit
U = Unimplemented
- n = Value for Erased Device
(x = unknown)
PIC17C4X
DS30412C-page 99
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