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PIC16F1934-E/ML データシート(PDF) 97 Page - Microchip Technology

部品番号 PIC16F1934-E/ML
部品情報  28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology
PDF  508 Pages
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メーカー  MICROCHIP [Microchip Technology]
ホームページ  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F1934-E/ML データシート(HTML) 97 Page - Microchip Technology

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 2009 Microchip Technology Inc.
Preliminary
DS41364D-page 97
PIC16F193X/LF193X
FIGURE 7-4:
INT PIN INTERRUPT TIMING
Q2
Q1
Q3 Q4
Q2
Q1
Q3 Q4
Q2
Q1
Q3 Q4
Q2
Q1
Q3 Q4
Q2
Q1
Q3 Q4
OSC1
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)
Dummy Cycle
Inst (PC)
Inst (PC + 1)
Inst (PC – 1)
Inst (0004h)
Dummy Cycle
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:
CLKOUT not available in all Oscillator modes.
4:
For minimum width of INT pulse, refer to AC specifications in Section 29.0 “Electrical Specifications””.
5:
INTF is enabled to be set any time during the Q4-Q1 cycles.
(1)
(2)
(3)
(4)
(5)
(1)



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