PIC16F917-I/PT Microchip Technology, PIC16F917-I/PT Datasheet - Page 235
PIC16F917-I/PT
Manufacturer Part Number
PIC16F917-I/PT
Description
IC PIC MCU FLASH 8KX14 44TQFP
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)
5.PIC16F913-ISO.pdf
(274 pages)
Specifications of PIC16F917-I/PT
Program Memory Type
FLASH
Program Memory Size
14KB (8K x 14)
Package / Case
44-TQFP, 44-VQFP
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
35
Eeprom Size
256 x 8
Ram Size
352 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
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
35
Number Of Timers
3
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 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, DM163029
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MA160011 - DAUGHTER BOARD PICDEM LCD 16F91XXLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F917-I/PT
Manufacturer:
PIC40
Quantity:
100
Company:
Part Number:
PIC16F917-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC16F917-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC16F913-ISS PDF datasheet #2
- PIC16F913-ISS PDF datasheet #3
- PIC16F913-ISS PDF datasheet #4
- PIC16F913-ISO PDF datasheet #5
- Current page: 235 of 330
- Download datasheet (7Mb)
16.3.4
During an interrupt, only the return PC value is saved
on the stack. Typically, users may wish to save key
registers during an interrupt (e.g., W and STATUS
registers). This must be implemented in software.
Since the lower 16 bytes of all banks are common in the
PIC16F91X/946 (see Figure 2-3), temporary holding
registers, W_TEMP and STATUS_TEMP, should be
placed in here. These 16 locations do not require
banking and therefore, make it easier to context save
and restore. The same code shown in Example 16-1
can be used to:
• Store the W register
• Store the STATUS register
• Execute the ISR code
• Restore the STATUS register (Bank Select bits)
• Restore the W register
EXAMPLE 16-1:
© 2007 Microchip Technology Inc.
Note:
MOVWF
SWAPF
CLRF
MOVWF
:
:(ISR)
:
SWAPF
MOVWF
SWAPF
SWAPF
CONTEXT SAVING DURING
INTERRUPTS
The microcontroller does not normally
require saving the PCLATH register
unless it is modified in code either directly
or via the pagesel macro. Then, the
PCLATH register must be saved at the
beginning of the ISR, managed for CALLs
and GOTOs in the ISR and restored when
the ISR is complete to ensure correct
program flow.
W_TEMP
STATUS,W
STATUS
STATUS_TEMP
STATUS_TEMP,W
STATUS
W_TEMP,F
W_TEMP,W
SAVING STATUS AND W REGISTERS IN RAM
;Copy W to TEMP register
;Swap status to be saved into W
;bank 0, regardless of current bank, Clears IRP,RP1,RP0
;Save status to bank zero STATUS_TEMP register
;Insert user code here
;Swap STATUS_TEMP register into W
;(sets bank to original state)
;Move W into STATUS register
;Swap W_TEMP
;Swap W_TEMP into W
PIC16F913/914/916/917/946
DS41250F-page 233
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