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PIC24FJ64GA Datasheet(PDF) 202 Page - Microchip Technology

Part # PIC24FJ64GA
Description  28/44-Pin General Purpose, 16-Bit Flash Microcontrollers
PDF  262 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC24FJ64GA Datasheet(HTML) 202 Page - Microchip Technology

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PIC24FJ64GA004 FAMILY
DS39881C-page 200
Preliminary
© 2008 Microchip Technology Inc.
REGISTER 23-1:
CW1: FLASH CONFIGURATION WORD 1
U-1
U-1
U-1
U-1
U-1
U-1
U-1
U-1
—
—
—
—
—
—
—
—
bit 23
bit 16
r-x
R/PO-1
R/PO-1
R/PO-1
R/PO-1
r-1
R/PO-1
R/PO-1
r
JTAGEN
GCP
GWRP
DEBUG
r
ICS1
ICS0
bit 15
bit 8
R/PO-1
R/PO-1
U-1
R/PO-1R/PO-1R/PO-1R/PO-1R/PO-1
FWDTEN
WINDIS
—
FWPSA
WDTPS3
WDTPS2
WDTPS1
WDTPS0
bit 7
bit 0
Legend:
r = Reserved bit
R = Readable bit
PO = Program Once bit
U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 23-16
Unimplemented: Read as ‘1’
bit 15
Reserved: The value is unknown; program as ‘0’
bit 14
JTAGEN: JTAG Port Enable bit
1 = JTAG port is enabled
0 = JTAG port is disabled
bit 13
GCP: General Segment Program Memory Code Protection bit
1 = Code protection is disabled
0 = Code protection is enabled for the entire program memory space
bit 12
GWRP: General Segment Code Flash Write Protection bit
1 = Writes to program memory are allowed
0 = Writes to program memory are disabled
bit 11
DEBUG: Background Debugger Enable bit
1 = Device resets into Operational mode
0 = Device resets into Debug mode
bit 10
Reserved: Always maintain as ‘1’
bit 9-8
ICS1:ICS0: Emulator Pin Placement Select bits
11 = Emulator EMUC1/EMUD1 pins are shared with PGC1/PGD1
10 = Emulator EMUC2/EMUD2 pins are shared with PGC2/PGD2
01 = Emulator EMUC3/EMUD3 pins are shared with PGC3/PGD3
00 = Reserved; do not use
bit 7
FWDTEN: Watchdog Timer Enable bit
1 = Watchdog Timer is enabled
0 = Watchdog Timer is disabled
bit 6
WINDIS: Windowed Watchdog Timer Disable bit
1 = Standard Watchdog Timer enabled
0 = Windowed Watchdog Timer enabled; FWDTEN must be ‘1’
bit 5
Unimplemented: Read as ‘1’
bit 4
FWPSA: WDT Prescaler Ratio Select bit
1 = Prescaler ratio of 1:128
0 = Prescaler ratio of 1:32



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