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PIC16F1507-E/SS. Fiches technique(PDF) 62 Page - Microchip Technology

No de pièce PIC16F1507-E/SS.
Description  20-Pin Flash, 8-Bit Microcontrollers
PDF  278 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F1507-E/SS. Fiches technique(HTML) 62 Page - Microchip Technology

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PIC16(L)F1507
DS40001586D-page 62
 2011-2015 Microchip Technology Inc.
FIGURE 7-3:
INT PIN INTERRUPT TIMING
Q2
Q1
Q3 Q4
Q2
Q1
Q3 Q4
Q2
Q1
Q3 Q4
Q2
Q1
Q3 Q4
Q2
Q1
Q3 Q4
FOSC
CLKOUT
INT pin
INTF
GIE
INSTRUCTION FLOW
PC
Instruction
Fetched
Instruction
Executed
Interrupt Latency
PC
PC + 1
PC + 1
0004h
0005h
Inst (0004h)
Inst (0005h)
Forced NOP
Inst (PC)
Inst (PC + 1)
Inst (PC – 1)
Inst (0004h)
Forced NOP
Inst (PC)
—
Note 1:
INTF flag is sampled here (every Q1).
2:
Asynchronous interrupt latency = 3-5 TCY. Synchronous latency = 3-4 TCY, where TCY = instruction cycle time.
Latency is the same whether Inst (PC) is a single cycle or a 2-cycle instruction.
3:
For minimum width of INT pulse, refer to AC specifications in Section 25.0 “Electrical Specifications”.
4:
INTF is enabled to be set any time during the Q4-Q1 cycles.
(1)
(2)
(3)
(4)
(1)



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