PIC16F1934-I/MV Microchip Technology, PIC16F1934-I/MV Datasheet - Page 112
![7KB Flash, 256B RAM, 256B EEPROM, LCD, 1.8-5.5V 40 UQFN 5x5x0.5mm TUBE](/photos/16/12/161286/qfn44_sml.jpg)
PIC16F1934-I/MV
Manufacturer Part Number
PIC16F1934-I/MV
Description
7KB Flash, 256B RAM, 256B EEPROM, LCD, 1.8-5.5V 40 UQFN 5x5x0.5mm TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16F722-ISS.pdf
(8 pages)
2.PIC16LF1933-ISS.pdf
(508 pages)
3.PIC16LF1933-ISS.pdf
(46 pages)
4.PIC16F1936-ISS.pdf
(2 pages)
5.PIC16F1936-ISS.pdf
(10 pages)
6.PIC16F1936-ISS.pdf
(40 pages)
7.PIC16F1936-ISS.pdf
(30 pages)
8.PIC16F1936-ISS.pdf
(12 pages)
Specifications of PIC16F1934-I/MV
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
Processor Series
PIC16F
Core
PIC
Data Ram Size
256 B
Interface Type
MI2C, SPI, EUSART
Number Of Timers
5
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
MPLAB IDE Software
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC16F1934-I/MV
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F722-ISS PDF datasheet
- PIC16LF1933-ISS PDF datasheet #2
- PIC16LF1933-ISS PDF datasheet #3
- PIC16F1936-ISS PDF datasheet #4
- PIC16F1936-ISS PDF datasheet #5
- PIC16F1936-ISS PDF datasheet #6
- PIC16F1936-ISS PDF datasheet #7
- PIC16F1936-ISS PDF datasheet #8
- Current page: 112 of 508
- Download datasheet (5Mb)
PIC16F193X/LF193X
10.1
The WDT derives its time base from the 31 kHz
LFINTOSC internal oscillator.
10.2
The Watchdog Timer module has four operating modes
controlled by the WDTE<1:0> bits in Configuration
Word 1. See Table 10-1.
10.2.1
When the WDTE bits of Configuration Word 1 are set to
‘11’, the WDT is always on.
WDT protection is active during Sleep.
10.2.2
When the WDTE bits of Configuration Word 1 are set to
‘10’, the WDT is on, except in Sleep.
WDT protection is not active during Sleep.
10.2.3
When the WDTE bits of Configuration Word 1 are set to
‘01’, the WDT is controlled by the SWDTEN bit of the
WDTCON register.
WDT protection is unchanged by Sleep. See
Table 10-1 for more details.
TABLE 10-1:
TABLE 10-2:
DS41364D-page 112
WDT_ON (11)
WDT_NSLEEP (10)
WDT_NSLEEP (10)
WDT_SWDTEN (01)
WDT_SWDTEN (01)
WDT_OFF (00)
WDTE<1:0> = 00
WDTE<1:0> = 01 and SWDTEN = 0
WDTE<1:0> = 10 and enter Sleep
CLRWDT Command
Oscillator Fail Detected
Exit Sleep + System Clock = T1OSC, EXTRC, INTOSC, EXTCLK
Exit Sleep + System Clock = XT, HS, LP
Change INTOSC divider (IRCF bits)
Config bits
WDTE
Independent Clock Source
WDT Operating Modes
WDT IS ALWAYS ON
WDT IS OFF IN SLEEP
WDT CONTROLLED BY SOFTWARE
WDT OPERATING MODES
WDT CLEARING CONDITIONS
SWDTEN
X
X
X
1
0
X
Conditions
Device
Awake
Mode
Sleep
X
X
X
X
Disabled
Disabled
Disabled
Active
Active
Active
Mode
WDT
Preliminary
10.3
The WDTPS bits of the WDTCON register set the
time-out period from 1 ms to 256 seconds. After a
Reset, the default time-out period is 2 seconds.
10.4
The WDT is cleared when any of the following condi-
tions occur:
• Any Reset
• CLRWDT instruction is executed
• Device enters Sleep
• Device wakes up from Sleep
• Oscillator fail event
• WDT is disabled
• Oscillator Start-up TImer (OST) is running
See Table 10-2 for more information.
10.5
When the device enters Sleep, the WDT is cleared. If
the WDT is enabled during Sleep, the WDT resumes
counting.
When the device exits Sleep, the WDT is cleared
again. The WDT remains clear until the OST, if
enabled, completes. See Section 5.0 “Oscillator
Module (With Fail-Safe Clock Monitor)” for more
information on the OST.
When a WDT time-out occurs while the device is in
Sleep, no Reset is generated. Instead, the device wakes
up and resumes operation. The TO and PD bits in the
STATUS register are changed to indicate the event. See
Section 3.0 “Memory Organization” and STATUS
register (Register 3-1) for more information.
Time-Out Period
Clearing the WDT
Operation During Sleep
Cleared until the end of OST
2009 Microchip Technology Inc.
Unaffected
Cleared
WDT
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