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PIC16F688-I/ML 데이터시트(PDF) 128 Page - Microchip Technology

부품명 PIC16F688-I/ML
상세설명  14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
PDF  204 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F688-I/ML 데이터시트(HTML) 128 Page - Microchip Technology

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PIC16F688
DS41203E-page 126
© 2009 Microchip Technology Inc.
FIGURE 11-10:
WAKE-UP FROM SLEEP THROUGH INTERRUPT
11.7
Code Protection
If
the
code
protection
bit(s)
have
not
been
programmed, the on-chip program memory can be
read out using ICSP for verification purposes.
11.8
ID Locations
Four memory locations (2000h-2003h) are designated
as ID locations where the user can store checksum or
other code identification numbers. These locations are
not accessible during normal execution but are
readable and writable during Program/Verify mode.
Only the Least Significant 7 bits of the ID locations are
used.
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
OSC1
CLKOUT(4)
INT pin
INTF flag
(INTCON<1>)
GIE bit
(INTCON<7>)
Instruction Flow
PC
Instruction
Fetched
Instruction
Executed
PC
PC + 1
PC + 2
Inst(PC) = Sleep
Inst(PC - 1)
Inst(PC + 1)
Sleep
Processor in
Sleep
Interrupt Latency(3)
Inst(PC + 2)
Inst(PC + 1)
Inst(0004h)
Inst(0005h)
Inst(0004h)
Dummy Cycle
PC + 2
0004h
0005h
Dummy Cycle
TOST(2)
PC + 2
Note
1:
XT, HS or LP Oscillator mode assumed.
2:
TOST = 1024 TOSC (drawing not to scale). This delay does not apply to EC and RC Oscillator modes.
3:
GIE = 1 assumed. In this case after wake-up, the processor jumps to 0004h. If GIE = 0, execution will continue in-line.
4:
CLKOUT is not available in XT, HS, LP or EC Oscillator modes, but shown here for timing reference.
Note:
The entire data EEPROM and Flash
program memory will be erased when the
code protection is turned off. See the
“PIC12F6XX/16F6XX Memory Program-
ming Specification” (DS41204) for more
information.



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