RFPIC12F675H Microchip Technology Inc., RFPIC12F675H Datasheet - Page 109

• Manufacturer Part Number: RFPIC12F675H
• Description: 20-pin Flash-based 8-bit Cmos Microcontroller With Uhf Ask/fsk Transmitter
• Manufacturer: Microchip Technology Inc.

FIGURE 13-10:
TABLE 13-9:
 2003 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
* 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
A/D DATA
2: See Section 7.1 for minimum conditions.
SAMPLE
A/D CLK
BSF ADCON0, GO
and are not tested.
ADRES
T
T
T
T
T
ADIF
Sym
AD
CNV
ACQ
AD
GO
GO
SLEEP instruction to be executed.
Q4
134
rfPIC12F675 A/D CONVERSION REQUIREMENTS
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
rfPIC12F675 A/D CONVERSION TIMING (NORMAL MODE)
(T
(1)
OSC
/2)
(Note 2)
(1)
3.0*
3.0*
2.0*
Min
9
1.6
—
5*
—
OLD_DATA
8
Preliminary
T
Typ†
OSC
11.5
6.0
4.0
SAMPLING STOPPED
—
—
11
—
131
7
CY
/2
CY
cycle.
is added before the A/D clock starts. This allows the
6
Max
130
9.0*
6.0*
—
—
—
—
—
—
3
Units
T
µs
µs
µs
µs
µs
µs
—
AD
2
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
rfPIC12F675
DD
DD
based, V
based, V
= 2.5V
= 5.0V
0
Conditions
REF
REF
CY
NEW_DATA
DS70091A-page 107
DONE
1 T
is added before
≥ 3.0V
full range
CY
1 T
CY
HOLD
).