40.7.9 ADPRE

ADC Precharge Time Control Register

Note: 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].

Name:	ADPRE
Address:	0x3F1


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


PRE	Precharge Time
PRE	CS = `0`	CS = `1`
`1 1111 1111 1111`	8191 clocks of F_OSC	8191 clocks of ADCRC
`1 1111 1111 1110`	8190 clocks of F_OSC	8190 clocks of ADCRC
`1 1111 1111 1101`	8189 clocks of F_OSC	8189 clocks of ADCRC
...	...	...
`0 0000 0000 0010`	2 clocks of F_OSC	2 clocks of ADCRC
`0 0000 0000 0001`	1 clocks of F_OSC	1 clocks of ADCRC
`0 0000 0000 0000`	Not included in the data conversion cycle

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].