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Microchip <strong>PIC</strong> <strong>16F628</strong> M. Deloizy 11<br />
♦ PCON<br />
→ registre de configuration<br />
bit 7-4,2:Unimplemented: Read as '0'<br />
bit 3: OSCF: INTRC/ER oscillator speed<br />
1 = 4 MHz typical (1)<br />
0 = 37 KHz typical<br />
bit 1: POR: Power-on Reset Status bit<br />
1 = No Power-on Reset occurred<br />
0 = A Power-on Reset occurred (must be set in software after a Poweron<br />
Reset occurs)<br />
bit 0: BOD: Brown-out Detect Status bit<br />
1 = No Brown-out Reset occurred<br />
0 = A Brown-out Reset occurred (must be set in software after a Brownout<br />
Reset occurs)<br />
Note 1: When in ER oscillator mode, setting OSCF = 1 will cause the oscillator<br />
speed to change to the speed specified by the external resistor.<br />
♦ PCL et PCLATH<br />
→ constitution de PC (13 bits)