PIC16F916-E/SS Microchip Technology, PIC16F916-E/SS Datasheet - Page 236
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PIC16F916-E/SS
Manufacturer Part Number
PIC16F916-E/SS
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,28PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F913-ISS.pdf
(330 pages)
3.PIC16F913-ISS.pdf
(8 pages)
4.PIC16F913-ISS.pdf
(34 pages)
Specifications of PIC16F916-E/SS
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
14KB (8K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
352 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SSOP
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
352 B
Interface Type
SSP, I2C, AUSART, SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
24
Number Of Timers
2
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164120
Minimum Operating Temperature
- 40 C
On-chip Adc
5 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MA160011 - DAUGHTER BOARD PICDEM LCD 16F91X
Lead Free Status / Rohs Status
Details
- PIC16F616T-ISL PDF datasheet
- PIC16F913-ISS PDF datasheet #2
- PIC16F913-ISS PDF datasheet #3
- PIC16F913-ISS PDF datasheet #4
- Current page: 236 of 330
- Download datasheet (7Mb)
PIC16F913/914/916/917/946
16.4
For PIC16F91X/946, the WDT has been modified from
previous PIC16F devices. The new WDT is code and
functionally compatible with previous PIC16F WDT
modules and adds a 16-bit prescaler to the WDT. This
allows the user to have a scaled value for the WDT and
TMR0 at the same time. In addition, the WDT time-out
value can be extended to 268 seconds. WDT is cleared
under certain conditions described in Table 16-7.
16.4.1
The WDT derives its time base from the 31 kHz
LFINTOSC. The LTS bit does not reflect that the
LFINTOSC is enabled.
The value of WDTCON is ‘---0 1000’ on all Resets.
This gives a nominal time base of 16 ms, which is
compatible with the time base generated with previous
PIC16F microcontroller versions.
FIGURE 16-9:
TABLE 16-7:
DS41250F-page 234
WDTE = 0
CLRWDT Command
Oscillator Fail Detected
Exit Sleep + System Clock = T1OSC, EXTRC, INTOSC, EXTCLK
Exit Sleep + System Clock = XT, HS, LP
LFINTOSC Clock
Note:
31 kHz
Watchdog Timer (WDT)
Note 1: This is the shared Timer0/WDT prescaler. See Section 5.4 “Prescaler” for more information.
WDT OSCILLATOR
When the Oscillator Start-up Timer (OST)
is invoked, the WDT is held in Reset,
because the WDT Ripple Counter is used
by the OST to perform the oscillator delay
count. When the OST count has expired,
the WDT will begin counting (if enabled).
WDT STATUS
WATCHDOG TIMER BLOCK DIAGRAM
WDTE from Configuration Word register
SWDTEN from WDTCON
Conditions
16-bit WDT Prescaler
WDTPS<3:0>
From TMR0 Clock Source
A new prescaler has been added to the path between
the INTOSC and the multiplexers used to select the
path for the WDT. This prescaler is 16 bits and can be
programmed to divide the INTOSC by 32 to 65536,
giving the WDT a nominal range of 1 ms to 268s.
16.4.2
The WDTE bit is located in the Configuration Word
register. When set, the WDT runs continuously.
When the WDTE bit in the Configuration Word register
is set, the SWDTEN bit of the WDTCON register has no
effect. If WDTE is clear, then the SWDTEN bit can be
used to enable and disable the WDT. Setting the bit will
enable it and clearing the bit will disable it.
The PSA and PS<2:0> bits of the OPTION register
have the same function as in previous versions of the
PIC16F family of microcontrollers. See Section 5.0
“Timer0 Module” for more information.
0
1
WDT CONTROL
PSA
Cleared until the end of OST
WDT Time-out
© 2007 Microchip Technology Inc.
0
Prescaler
Cleared
1
WDT
8
(1)
PSA
PS<2:0>
To TMR0
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