Configuration Options for 18F458

 Oscillator Selection:
 OSC = LP LP
 OSC = XT XT
 OSC = HS HS
 OSC = RC RC
 OSC = EC EC-OSC2 as Clock Out
 OSC = ECIO EC-OSC2 as RA6
 OSC = HSPLL HS-PLL Enabled
 OSC = RCIO RC-OSC2 as RA6

 Osc. Switch Enable:
 OSCS = ON Enabled
 OSCS = OFF Disabled

 Power Up Timer:
 PWRT = ON Enabled
 PWRT = OFF Disabled

 Brown Out Reset:
 BOR = OFF Disabled
 BOR = ON Enabled

 Brown Out Voltage:
 BORV = 45 4.5V
 BORV = 42 4.2V
 BORV = 27 2.7V
 BORV = 20 2.0V

 Watchdog Timer:
 WDT = OFF Disabled
 WDT = ON Enabled

 Watchdog Postscaler:
 WDTPS = 1 1:1
 WDTPS = 2 1:2
 WDTPS = 4 1:4
 WDTPS = 8 1:8
 WDTPS = 16 1:16
 WDTPS = 32 1:32
 WDTPS = 64 1:64
 WDTPS = 128 1:128

 Stack Overflow Reset:
 STVR = OFF Disabled
 STVR = ON Enabled

 Low Voltage ICSP:
 LVP = OFF Disabled
 LVP = ON Enabled

 Background Debugger Enable:
 DEBUG = ON Enabled
 DEBUG = OFF Disabled

 Code Protection Block 0:
 CP0 = ON Enabled
 CP0 = OFF Disabled

 Code Protection Block 1:
 CP1 = ON Enabled
 CP1 = OFF Disabled

 Code Protection Block 2:
 CP2 = ON Enabled
 CP2 = OFF Disabled

 Code Protection Block 3:
 CP3 = ON Enabled
 CP3 = OFF Disabled

 Boot Block Code Protection:
 CPB = ON Enabled
 CPB = OFF Disabled

 Data EEPROM Code Protection:
 CPD = ON Enabled
 CPD = OFF Disabled

 Write Protection Block 0:
 WRT0 = ON Enabled
 WRT0 = OFF Disabled

 Write Protection Block 1:
 WRT1 = ON Enabled
 WRT1 = OFF Disabled

 Write Protection Block 2:
 WRT2 = ON Enabled
 WRT2 = OFF Disabled

 Write Protection Block 3:
 WRT3 = ON Enabled
 WRT3 = OFF Disabled

 Boot Block Write Protection:
 WRTB = ON Enabled
 WRTB = OFF Disabled

 Configuration Register Write Protection:
 WRTC = ON Enabled
 WRTC = OFF Disabled

 Data EEPROM Write Protection:
 WRTD = ON Enabled
 WRTD = OFF Disabled

 Table Read Protection Block 0:
 EBTR0 = ON Enabled
 EBTR0 = OFF Disabled

 Table Read Protection Block 1:
 EBTR1 = ON Enabled
 EBTR1 = OFF Disabled

 Table Read Protection Block 2:
 EBTR2 = ON Enabled
 EBTR2 = OFF Disabled

 Table Read Protection Block 3:
 EBTR3 = ON Enabled
 EBTR3 = OFF Disabled

 Boot Block Table Read Protection:
 EBTRB = ON Enabled
 EBTRB = OFF Disabled