PIC16C63A Microchip Technology, PIC16C63A Datasheet - Page 122

• Manufacturer Part Number: PIC16C63A
• Description: 28/40-Pin 8-Bit CMOS Microcontrollers
• Manufacturer: Microchip Technology

PIC16C63A/65B/73B/74B
FIGURE 14-17: A/D CONVERSION TIMING
TABLE 14-17: A/D CONVERSION REQUIREMENTS
DS30605A-page 122
Note1:
Param
No.
130
131
132
134
135
Note1:
*
†
§
2: See Section 10.1 for min conditions.
A/D DATA
SAMPLE
A/D CLK
T
T
T
ADRES
Sym Characteristic
T
T
These parameters are characterized but not tested.
Data in “Typ” column is at 5V, 25 C unless otherwise stated. These parameters are for design guidance only and are not
tested.
This specification ensured by design.
ADRES register may be read on the following T
SWC
BSF ADCON0, GO
CNV
ACQ
GO
AD
ADIF
GO
Q4
If the A/D clock source is selected as RC, a time of T
allows the SLEEP instruction to be executed.
A/D clock period
Conversion time (not including S/H time)
(Note 1)
Acquisition time
Q4 to A/D clock start
Switching from convert
134
132
(T
OSC
/2)
Standard
Extended (LC)
Standard
Extended (LC)
7
sample time
(1)
6
OLD_DATA
Preliminary
5
Note 2
1.5 §
Min
1.6
2.0
2.0
3.0
11
5*
—
SAMPLING STOPPED
CY
4
cycle.
T
OSC
131
130
Typ†
4.0
6.0
20
—
—
—
—
—
/2 §
CY
3
is added before the A/D clock starts. This
Max
6.0
9.0
11
—
—
—
—
—
—
2
Units
1
T
T
—
AD
AD
s
s
s
s
s
s
T
T
A/D RC Mode
A/D RC Mode
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.,
20.0 mV @ 5.12V) from the last
sampled voltage (as stated 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.
1 Tcy
0
OSC
OSC
HOLD
1998 Microchip Technology Inc.
based, V
based, V
).
NEW_DATA
DONE
Conditions
REF
REF
CY
full range
3.0V
is added