CONFIG1

CONFIG1

Configuration Byte 1
  30 0000h 8  

CONFIG1

Bit  7 6 5 4 3 2 1 0  
    RSTOSC[2:0]   FEXTOSC[2:0]  
Access    R/W R/W R/W   R/W R/W R/W  
Reset    1 1 1   1 1 1  

Bits 6:4 – RSTOSC[2:0]: Power-up Default Value for COSC

Power-up Default Value for COSC

This value is the Reset default value for COSC and selects the oscillator first used by user software. Refer to COSC operation.
ValueDescription
111 EXTOSC operating per FEXTOSC bits
110 HFINTOSC with HFFRQ = 4 MHz and CDIV = 4:1. Resets COSC/NOSC to b'110'
101 LFINTOSC
100 SOSC
011 Reserved
010 EXTOSC with 4x PLL, with EXTOSC operating per FEXTOSC bits
001 Reserved
000 HFINTOSC with HFFRQ = 64 MHz and CDIV = 1:1. Resets COSC/NOSC to b'110'

Bits 2:0 – FEXTOSC[2:0]: External Oscillator Mode Selection

External Oscillator Mode Selection

ValueDescription
111 ECH (external clock) above 8 MHz
110 ECM (external clock) for 500 kHz to 8 MHz
101 ECL (external clock) below 500 kHz
100 Oscillator not enabled
011 HS (crystal oscillator) up to 32 MHz
010 HS (crystal oscillator) up to 24 MHz
001 HS (crystal oscillator) up to 16 MHz
000 HS (crystal oscillator) up to 8 MHz