PIC16HV785 Microchip Technology Inc., PIC16HV785 Datasheet - Page 164

• Manufacturer Part Number: PIC16HV785
• Description: 20-pin Flash-based 8-bit Cmos Microcontroller
• Manufacturer: Microchip Technology Inc.

PIC16F785/HV785
FIGURE 19-10:
TABLE 19-17: PIC16F785/HV785 A/D CONVERSION REQUIREMENTS (SLEEP MODE)
DS41249D-page 162
130
131
132
134
Note 1:
Param
No.
Note 1:
A/D DATA
SAMPLE
A/D CLK
2:
BSF ADCON0, GO
ADRES
*
† Data in ‘Typ’ column is at 5.0V, 25 C unless otherwise stated. These parameters are for design guidance
ADIF
GO
These parameters are characterized but not tested.
only and are not tested.
ADRES register may be read on the following T
See Table 12-1 for minimum conditions.
T
T
T
T
Q4
CNV
ACQ
AD
GO
Sym
If the A/D clock source is selected as RC, a time of T
allows the SLEEP instruction to be executed.
134
132
A/D Internal RC
Oscillator Period
Conversion Time
(not including
Acquisition Time)
Acquisition Time
Q4 to A/D Clock
Start
PIC16F785/HV785 A/D CONVERSION TIMING (SLEEP MODE)
Characteristic
(T
OSC
/2 + T
(1)
CY
(Note 2)
9
)
(1)
2.0*
Min
3.0*
—
—
5*
OLD_DATA
SAMPLING STOPPED
8
Preliminary
T
OSC
7
Typ†
11.5
131
6.0
4.0
/2 + T
11
—
CY
cycle.
6
CY
130
CY
Max
9.0*
6.0*
3
—
—
—
—
is added before the A/D clock starts. This
Units
2
T
—
AD
s
s
s
s
1
ADCS<1:0> = 11 (RC mode)
At V
At V
The minimum time is the amplifier
settling time. This may be used if
the “new” input voltage has not
changed by more than 1 LSb (i.e.,
4.1 mV @ 4.096V) from the last
sampled voltage (as stored on
C
If the A/D clock source is selected
as RC, a time of T
before the A/D clock starts. This
allows the SLEEP instruction to be
executed.
HOLD
© 2006 Microchip Technology Inc.
DD
DD
0
).
= 2.5V
= 5.0V
NEW_DATA
Conditions
1 T
DONE
CY
1 T
CY
CY
is added