MA330026 Microchip Technology, MA330026 Datasheet - Page 110

• Manufacturer Part Number: MA330026
• Description: Daughter Cards & OEM Boards dsPIC33FJ16MC102 Plug-In Module
• Manufacturer: Microchip Technology

Specifications of MA330026

• Rohs: yes
• Product: Plug-In Modules
• Core: PIC
• Data Bus Width: 16 bit
• Description/function: dsPIC33F MC 28 Pin QFN to 100 Pin Plug-in-Module
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 3 V to 3.6 V
• For Use With: DM330021, DM330022, DM330023

dsPIC33FJ16GP101/102 AND dsPIC33FJ16MC101/102
REGISTER 8-1:
DS70652C-page 110
bit 15
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 15
bit 14-12
bit 11
bit 10-8
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
Note 1:
CLKLOCK
R/W-0
U-0
—
2:
Writes to this register require an unlock sequence. Refer to Section 52. “Oscillator (Part VI)” (DS70644)
in the “dsPIC33F/PIC24H Family Reference Manual” for details.
Direct clock switches between any primary oscillator mode with PLL and FRCPLL mode are not permitted.
This applies to clock switches in either direction. In these instances, the application must switch to FRC
mode as a transition clock source between the two PLL modes.
Unimplemented: Read as ‘0’
COSC<2:0>: Current Oscillator Selection bits (read-only)
000 = Fast RC Oscillator (FRC)
001 = Fast RC Oscillator (FRC) with Divide-by-n and PLL (FRCPLL)
010 = Primary Oscillator (MS, HS, EC)
011 = Primary Oscillator (MS, EC) with PLL
100 = Secondary Oscillator (S
101 = Low-Power RC Oscillator (LPRC)
110 = Fast RC Oscillator (FRC) with Divide-by-16
111 = Fast RC Oscillator (FRC) with Divide-by-n
Unimplemented: Read as ‘0’
NOSC<2:0>: New Oscillator Selection bits
000 = Fast RC Oscillator (FRC)
001 = Fast RC Oscillator (FRC) with Divide-by-n and PLL (FCPLL)
010 = Primary Oscillator (MS, HS, EC)
011 = Primary Oscillator (MS, EC) with PLL
100 = Secondary Oscillator (S
101 = Low-Power RC oscillator (LPRC)
110 = Fast RC Oscillator (FRC) with Divide-by-16
111 = Fast RC Oscillator (FRC) with Divide-by-n
CLKLOCK: Clock Lock Enable bit
If clock switching is enabled and FSCM is disabled, (FOSC<FCKSM> = 0b01)
1 = Clock switching is disabled, system clock source is locked
0 = Clock switching is enabled, system clock source can be modified by clock switching
IOLOCK: Peripheral Pin Select Lock bit
1 = Peripherial pin select is locked, write to peripheral pin select registers not allowed
0 = Peripherial pin select is not locked, write to peripheral pin select registers allowed
LOCK: PLL Lock Status bit (read-only)
1 = Indicates that PLL is in lock, or PLL start-up timer is satisfied
0 = Indicates that PLL is out of lock, start-up timer is in progress or PLL is disabled
Unimplemented: Read as ‘0’
CF: Clock Fail Detect bit (read/clear by application)
1 = FSCM has detected clock failure
0 = FSCM has not detected clock failure
Unimplemented: Read as ‘0’
IOLOCK
R/W-0
R-0
OSCCON: OSCILLATOR CONTROL REGISTER
COSC<2:0>
y = Value set from Configuration bits on POR
W = Writable bit
‘1’ = Bit is set
LOCK
R-0
R-0
OSC
OSC
R-0
U-0
Preliminary
—
)
)
(2)
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/C-0
U-0
CF
—
R/W-y
(1)
U-0
—
© 2011 Microchip Technology Inc.
NOSC<2:0>
x = Bit is unknown
LPOSCEN
R/W-0
R/W-y
(2)
OSWEN
R/W-y
R/W-0
bit 8
bit 0