© 2009 Microchip Technology Inc. Preliminary DS39927B-page 193
PIC24F16KA102 FAMILY
REGISTER 26-6: FPOR: RESET CONFIGURATION REGISTER
REGISTER 26-7: FICD: IN-CIRCUIT DEBUGGER CONFIGURATION REGISTER
R/P-1 R/P-1 R/P-1 R/P-1 R/P-1 U-0 R/P-1 R/P-1
MCLRE
(2)
BORV1
(3)
BORV0
(3)
I2C1SEL
(1)
PWRTEN — BOREN1 BOREN0
bit 7 bit 0
Legend:
R = Readable bit P = Programmable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 7 MCLRE: MCLR
Pin Enable bit
(2)
1 = MCLR pin enabled; RA5 input pin disabled
0 = RA5 input pin enabled; MCLR
disabled
bit 6-5 BORV<1:0>: Brown-out Reset Enable bits
(3)
11 = Brown-out Reset set to lowest voltage
10 = Brown-out Reset
01 = Brown-out Reset set to highest voltage
00 = Low-power Brown-out Reset occurs around 2.0V
bit 4 I2C1SEL: Alternate I2C1 Pin Mapping bit
(1)
0 = Alternate location for SCL1/SDA1 pins
1 = Default location for SCL1/SDA1 pins
bit 3 PWRTEN: Power-up Timer Enable bit
0 = PWRT disabled
1 = PWRT enabled
bit 2 Unimplemented: Read as ‘0’
bit 1-0 BOREN<1:0>: Brown-out Reset Enable bits
11 = Brown-out Reset enabled in hardware; SBOREN bit disabled
10 = Brown-out Reset enabled only while device is active and disabled in Sleep; SBOREN bit disabled
01 = Brown-out Reset controlled with the SBOREN bit setting
00 = Brown-out Reset disabled in hardware; SBOREN bit disabled
Note 1: Applies only to 28-pin devices.
2: The MCLRE fuse can only be changed when using the VPP-Based ICSP™ mode entry. This prevents a
user from accidentally locking out the device from the low-voltage test entry.
3: Refer to the electrical specifications for BOR voltages.
R/P-1 U-0 U-0 U-0 U-0 U-0 R/P-1 R/P-1
DEBUG
— — — — — FICD1 FICD0
bit 7 bit 0
Legend:
R = Readable bit P = Programmable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 7 DEBUG
: Background Debugger Enable bit
1 = Background debugger disabled
0 = Background debugger functions enabled
bit 6-2 Unimplemented: Read as ‘0’
bit 1-0 FICD<1:0:> ICD Pin Select bits
11 = PGC1/PGD1 are used for programming and debugging the device
10 = PGC2/PGD2 are used for programming and debugging the device
01 = PGC3/PGD3 are used for programming and debugging the device
00 = Reserved; do not use
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