Microchip Technology MCU PIC PIC18F87K22-I/PTRSL TQFP-80 MCP PIC18F87K22-I/PTRSL Fiche De Données
Codes de produits
PIC18F87K22-I/PTRSL
PIC18F87K22 FAMILY
DS39960D-page 44
2009-2011 Microchip Technology Inc.
FIGURE 3-1:
PIC18F87K22 FAMILY CLOCK DIAGRAM
TABLE 3-1:
HS, EC, XT, LP AND RC MODES: RANGES AND SETTINGS
Mode
Frequency Range
FOSC<3:0> Setting
EC1 (low power)
DC-160 kHz
1101
(EC1 & EC1IO)
1100
EC2 (medium power)
160 kHz-16 MHz
1011
(EC2 & EC2IO)
1010
EC3 (high power)
16 MHz-64 MHz
0101
(EC3 & EC3IO)
0100
HS1 (medium power)
4 MHz-16 MHz
0011
HS2 (high power)
16 MHz-25 MHz
0010
XT
100 kHz-4 MHz
0001
LP
31.25 kHz
0000
RC (External)
0-4 MHz
001x
INTIO
32 KHz-16 MHz
100x
(and OSCCON, OSCCON2)
OSC2
OSC1
SOSCO
SOSCI
HF INTOSC
16 MHz to
31 kHz
MF INTOSC
500 kHz to
31 kHz
LF INTOSC
31 kHz
P
osts
cal
er
Po
st
sca
le
r
16 MHz
8 MHz
4 MHz
2 MHz
1 MHz
1 MHz
500 kHz
250 kHz
31 kHz
500 kHz
250 kHz
31 kHz
31 kHz
16 MHz
8 MHz
4 MHz
4 MHz
2 MHz
1 MHz
500 kHz
250 kHz
250 kHz
31 kHz
4x PLL
FOSC<3:0>
INTSRC
MU
X
MU
X
MU
X
MU
X
MFIOSEL
Mu
x
Peripherals
CPU
IDLEN
Clock Control
FOSC<3:0>
SCS<1:0>
111
110
101
100
011
010
001
000
IRCF<2:0>
MU
X
PLLEN
and PLLCFG