PIC24FJ128GA Datasheet, PDF (182/232 Pages) Microchip Technology – General Purpose, 16-Bit Flash Microcontrollers

PIC24FJ128GA FAMILY
REGISTER 23-1: FLASH CONFIGURATION WORD 1
Upper Third:
U-1
U-1
U-1
U-1
U-1
U-1
U-1
U-1
—
—
—
—
—
—
—
—
bit 23
bit 16
Middle Third:
r-0
R/PO-1 R/PO-1 R/PO-1 R/PO-1 R/PO-1
U-1
R/PO-1
r
JTAGEN GCP
GWRP DEBUG
COE
—
ICS
bit 15
bit 8
Lower Third:
R/PO-1 R/PO-1
U-1
R/PO-1 R/PO-1 R/PO-1 R/PO-1 R/PO-1
FWDTEN WINDIS
—
FWPSA WDTPS3 WDTPS2 WDTPS1 WDTPS0
bit 7
bit 0
bit 23-16 Unimplemented: Read as ‘0’
bit 15 Reserved: Maintain as ‘1’
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 COE: Set Clip On Emulation bit
1 = Device resets into Operational mode
0 = Device resets into Clip On Emulation mode
bit 9
Unimplemented: Read as ‘1’
bit 8
ICS: ICD Pin Placement Select bit
1 = ICD uses EMUC2/EMUD2
0 = ICD uses EMUC1/EMUD1
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’
Legend:
R = Readable bit
-n = Value when unprogrammed
PO = Program-Once bit
‘1’ = Bit is set
U = Unimplemented, read as ‘1’
‘0’ = Bit is cleared x = Bit is unknown
DS39747C-page 180
Preliminary
© 2006 Microchip Technology Inc.