PIC12CE674 Datasheet

  • PIC12CE674

  • 8-Pin, 8-Bit CMOS Microcontroller with A/D Converter and EEP...

  • 1264.35KB

  • 129页

  • Microchip   Microchip

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PIC12CE67X
FIGURE 12-6: A/D CONVERSION TIMING
BSF ADCON0, GO
(T
OSC
/2)
Q4
130
A/D CLK
132
(1)
1 Tcy
131
A/D DATA
7
6
5
4
3
2
1
0
ADRES
OLD_DATA
NEW_DATA
ADIF
GO
SAMPLING STOPPED
DONE
SAMPLE
Note 1: If the A/D clock source is selected as RC, a time of T
CY
is added before the A/D clock starts. This allows the
SLEEP
instruction to be executed.
TABLE 12-10: A/D CONVERSION REQUIREMENTS
Parameter
No.
130
130
Sym
T
AD
T
AD
Characteristic
A/D clock period
A/D Internal RC
Oscillator source
3.0
2.0
131
T
CNV
Conversion time
(not including S/H
time). Note 1
Acquisition time
鈥?/div>
6.0
4.0
9.5T
AD
9.0
6.0
鈥?/div>
碌s
碌s
鈥?/div>
Min
1.6
2.0
Typ鈥?/div>
Max
鈥?/div>
鈥?/div>
Units
碌s
碌s
Conditions
V
REF
鈮?/div>
3.0V
V
REF
full range
ADCS1:ADCS0 =
11
(RC oscillator source)
PIC12LCE67X, V
DD
= 3.0V
PIC12CE67X
132
*
鈥?/div>
T
ACQ
Note 2
20
鈥?/div>
碌s
These parameters are characterized but not tested.
Data in 鈥淭yp鈥?column is at 5V, 25掳C unless otherwise stated. These parameters are for design guidance only and are not
tested.
Note 1: ADRES register may be read on the following T
CY
cycle.
1998 Microchip Technology Inc.
Preliminary
DS40181B-page 97

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