PIC16C923-04I/CL Microchip Technology, PIC16C923-04I/CL Datasheet - Page 159

• Manufacturer Part Number: PIC16C923-04I/CL
• Description: 8-Bit CMOS Microcontroller with LCD Driver
• Manufacturer: Microchip Technology

FIGURE 17-14:A/D CONVERSION TIMING
TABLE 17-13:A/D CONVERSION REQUIREMENTS
Note 1: ADRES register may be read on the following T
Param
1997 Microchip Technology Inc.
130
131
132
134
135
No.
Note 1: If the A/D clock source is selected as RC, a time of T
*
†
§
2: See Section 12.1 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.
BSF ADCON0, GO
SWC
CNV
ACQ
GO
AD
ADIF
GO
Q4
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)
PIC16C924
PIC16LC924
PIC16C924
PIC16LC924
7
sample time
(1)
6
OLD_DATA
CY
5
Note 2
1.5 §
Min
cycle.
1.6
2.0
2.0
3.0
—
—
5*
SAMPLING STOPPED
4
CY
T
OSC
131
130
Typ†
is added before the A/D clock starts. This allows the
4.0
6.0
9.5
20
—
—
—
—
/2 §
3
Max
6.0
9.0
—
—
—
—
—
—
—
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 T
0
PIC16C9XX
OSC
OSC
HOLD
CY
based, V
based, V
).
NEW_DATA
DONE
Conditions
DS30444E - page 159
REF
REF
CY
full range
3.0V
is added