PIC16F684-I/SLG Microchip, PIC16F684-I/SLG Datasheet - Page 147

• Manufacturer Part Number: PIC16F684-I/SLG
• Description: pic, flash, Microcontrollers, Microprocessors, Semiconductors and Actives, ic, mcu
• Manufacturer: Microchip

FIGURE 15-9:
TABLE 15-10: PIC16F684 A/D CONVERSION REQUIREMENTS
 2004 Microchip Technology Inc.
Standard Operating Conditions (unless otherwise stated)
Operating temperature
130
130
131
132
134
Note 1:
Param
No.
2:
Note 1: If the A/D clock source is selected as RC, a time of T
A/D Data
A/D CLK
*
† Data in ‘Typ’ column is at 5.0V, 25 C unless otherwise stated. These parameters are for design guidance
BSF ADCON0, GO
ADRES
Sample
T
T
T
T
T
ADIF
Sym
AD
CNV
ACQ
These parameters are characterized but not tested.
only and are not tested.
ADRESH and ADRESL registers may be read on the following T
See Table 9-1 for minimum conditions.
AD
GO
GO
Q4
SLEEP instruction to be executed.
134
A/D Clock Period
A/D Internal RC
Oscillator Period
Conversion Time
(not including
Acquisition Time)
Acquisition Time
Q4 to A/D Clock
Start
132
Characteristic
PIC16F684 A/D CONVERSION TIMING (NORMAL MODE)
-40°C
(T
(1)
T
OSC
A
/2)
+125°C
(1)
Min
3.0*
3.0*
2.0*
9
1.6
—
5*
—
OLD_DATA
8
Preliminary
T
Typ†
OSC
11.5
6.0
4.0
11
Sampling Stopped
—
—
—
131
7
/2
6
CY
Max
130
9.0*
6.0*
—
—
—
—
—
—
is added before the A/D clock starts. This allows the
3
Units
CY
T
—
AD
s
s
s
s
s
s
2
cycle.
T
T
ADCS<1:0> = 11 (RC mode)
At V
At V
Set GO bit to new data in A/D Result
register
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
the A/D clock starts. This allows the
SLEEP instruction to be executed.
OSC
OSC
1
DD
DD
-based, V
-based, V
= 2.5V
= 5.0V
PIC16F684
0
Conditions
REF
REF
CY
NEW_DATA
DS41202C-page 145
DONE
1 T
is added before
full range
CY
1 T
3.0V
CY
HOLD
).