PIC16F676 Microchip Technology Inc., PIC16F676 Datasheet - Page 105
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PIC16F676
Manufacturer Part Number
PIC16F676
Description
14-pin, Flash-based 8-bit Cmos Microcontroller
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F676.pdf
(130 pages)
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FIGURE 12-11:
TABLE 12-10: PIC16F676 A/D CONVERSION REQUIREMENTS (SLEEP MODE)
© 2007 Microchip Technology Inc.
130
130
131
132
134
Note 1: ADRES register may be read on the following T
Param
No.
Note 1: If the A/D clock source is selected as RC, a time of T
A/D DATA
*
†
SAMPLE
A/D CLK
2: See Table 7-1 for minimum conditions.
BSF ADCON0, GO
ADRES
These parameters are characterized but not tested.
Data in ‘Typ’ column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
ADIF
GO
Q4
T
T
T
T
T
AD
CNV
ACQ
SLEEP instruction to be executed.
AD
Sym
GO
134
132
A/D Clock Period
A/D Internal RC
Oscillator Period
Conversion Time
(not including
Acquisition Time)
Acquisition Time
Q4 to A/D Clock
Start
PIC16F676 A/D CONVERSION TIMING (SLEEP MODE)
Characteristic
(T
OSC
/2 + T
(1)
CY
(Note 2)
9
)
(1)
Min
3.0*
3.0*
2.0*
1.6
—
—
5*
OLD_DATA
SAMPLING STOPPED
8
T
OSC
7
Typ†
11.5
131
6.0
4.0
/2 + T
CY
—
—
11
—
CY
cycle.
6
is added before the A/D clock starts. This allows the
CY
130
Max
9.0*
6.0*
3
—
—
—
—
—
—
Units
2
T
μs
μs
μs
μs
μs
μs
—
AD
PIC16F630/676
1
V
V
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.
REF
REF
HOLD
DD
DD
≥ 3.0V
full range
).
0
= 2.5V
= 5.0V
NEW_DATA
Conditions
1 T
DONE
CY
DS40039E-page 103
1 T
CY
CY
is added