pic24hj128gp510at-i-pt Microchip Technology Inc., pic24hj128gp510at-i-pt Datasheet - Page 222
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pic24hj128gp510at-i-pt
Manufacturer Part Number
pic24hj128gp510at-i-pt
Description
High-performance, 16-bit Microcontrollers
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC24HJ128GP510AT-I-PT.pdf
(294 pages)
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PIC24HJXXXGPX06A/X08A/X10A
TABLE 21-2:
DS70592A-page 220
POSCMD<1:0>
FNOSC<2:0>
FCKSM<1:0>
OSCIOFNC
WDTPOST
FWDTEN
WDTPRE
Bit Field
PLLKEN
WINDIS
IESO
PIC24HJXXXGPX06A/X08A/X10A CONFIGURATION BITS DESCRIPTION
FOSCSEL
FOSCSEL
Register
FWDT
FWDT
FWDT
FWDT
FWDT
FOSC
FOSC
FOSC
Internal External Start-up Option bit
1 = Start-up device with FRC, then automatically switch to the user-selected
0 = Start-up device with user-selected oscillator source
Initial Oscillator Source Selection bits
111 = Internal Fast RC (FRC) oscillator with postscaler
110 = Reserved
101 = LPRC oscillator
100 = Secondary (LP) oscillator
011 = Primary (XT, HS, EC) oscillator with PLL
010 = Primary (XT, HS, EC) oscillator
001 = Internal Fast RC (FRC) oscillator with PLL
000 = FRC oscillator
Clock Switching Mode bits
1x = Clock switching is disabled, Fail-Safe Clock Monitor is disabled
01 = Clock switching is enabled, Fail-Safe Clock Monitor is disabled
00 = Clock switching is enabled, Fail-Safe Clock Monitor is enabled
OSC2 Pin Function bit (except in XT and HS modes)
1 = OSC2 is clock output
0 = OSC2 is general purpose digital I/O pin
Primary Oscillator Mode Select bits
11 = Primary oscillator disabled
10 = HS Crystal Oscillator mode
01 = XT Crystal Oscillator mode
00 = EC (External Clock) mode
Watchdog Timer Enable bit
1 = Watchdog Timer always enabled (LPRC oscillator cannot be disabled. Clearing
0 = Watchdog Timer enabled/disabled by user software (LPRC can be disabled
Watchdog Timer Window Enable bit
1 = Watchdog Timer in Non-Window mode
0 = Watchdog Timer in Window mode
PLL Lock Enable bit
1 = Clock switch to PLL source will wait until the PLL lock signal is valid.
0 = Clock switch will not wait for the PLL lock signal.
Watchdog Timer Prescaler bit
1 = 1:128
0 = 1:32
Watchdog Timer Postscaler bits
1111 = 1:32,768
1110 = 1:16,384
0001 = 1:2
0000 = 1:1
.
.
.
the SWDTEN bit in the RCON register will have no effect.)
by clearing the SWDTEN bit in the RCON register)
oscillator source when ready
Preliminary
Description
© 2009 Microchip Technology Inc.
(CONTINUED)
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