8.6.1 CONFIG1

Configuration Word 1
Name: CONFIG1
Offset: 0x8007

Bit 15141312111098 
    VDDAR   CLKOUTEN 
Access R/WR/W 
Reset 11 
Bit 76543210 
  RSTOSC[2:0]  FEXTOSC[1:0] 
Access R/WR/WR/WR/WR/W 
Reset 00101 

Bit 12 – VDDAR  VDD Analog Range Calibration Selection

ValueDescription
1 Internal analog systems are calibrated for operation between VDD = 2.3V-5.5V
0 Internal analog systems are calibrated for operation between VDD = 1.8V-3.6V

Bit 8 – CLKOUTEN Clock Out Enable

ValueDescription
1 CLKOUT function is disabled; I/O function on CLKOUT pin
0 CLKOUT function is enabled; FOSC/4 clock appears on CLKOUT pin

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

Selects the oscillator source used by user software.
ValueDescription
111 EXTOSC operating per the FEXTOSC bits
110 HFINTOSC = 1 MHz (FRQ = 1 MHz)
101 LFINTOSC
100 SOSC
011 Reserved
010 Reserved
001 Reserved
000 HFINTOSC = 32 MHz (FRQ = 32 MHz)

Bits 1:0 – FEXTOSC[1:0] External Oscillator Mode Selection

ValueDescription
11 ECH (16 MHz and higher)
10 Reserved
01 ECL (below 16 MHz)
00 Oscillator not enabled