ADPRE

ADPRE

ADC Precharge Time Control Register
Notes: The individual bytes in this multibyte register can be accessed with the following register names:
  • ADPREH: Accesses the high byte ADPRE[12:8]
  • ADPREL: Accesses the low byte ADPRE[7:0]
  0x22D 16  

ADPRE

Bit  15 14 13 12 11 10 9 8  
        PRE[12:8]  
Access        R/W R/W R/W R/W R/W  
Reset        0 0 0 0 0  
Bit  7 6 5 4 3 2 1 0  
  PRE[7:0]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  

Bits 12:0 – PRE[12:0]: Precharge Time Select

Precharge Time Select

Table 1. Precharge Time
ADPRE Precharge Time
CS != ADCRC CS = ADCRC
1 1111 1111 1111 8191 clocks of FOSC 8191 clocks of ADCRC
1 1111 1111 1110 8190 clocks of FOSC 8190 clocks of ADCRC
1 1111 1111 1101 8189 clocks of FOSC 8189 clocks of ADCRC
... ... ...
0 0000 0000 0010 2 clocks of FOSC 2 clocks of ADCRC
0 0000 0000 0001 1 clocks of FOSC 1 clocks of ADCRC
0 0000 0000 0000 Not included in the data conversion cycle