參數(shù)資料
型號: PIC12F510_07
廠商: Microchip Technology Inc.
英文描述: 8/14-Pin, 8-Bit Flash Microcontroller
中文描述: 8/14-Pin,8位閃存微控制器
文件頁數(shù): 54/116頁
文件大?。?/td> 907K
代理商: PIC12F510_07
PIC12F510/16F506
DS41268C-page 52
Preliminary
2007 Microchip Technology Inc.
9.1.5
SLEEP
This ADC does not have a dedicated ADC clock, and
therefore, no conversion in Sleep is possible. If a
conversion is underway and a Sleep command is
executed, the GO/DONE and ADON bit will be cleared.
This will stop any conversion in process and power-
down the ADC module to conserve power. Due to the
nature of the conversion process, the ADRES may con-
tain a partial conversion. At least 1 bit must have been
converted prior to Sleep to have partial conversion data
in ADRES. The ADCS and CHS bits are reset to their
default condition; ANS<1:0> =
11
and CHS<1:0> =
11
.
For accurate conversions, T
AD
must meet the
following:
500 ns < T
AD
< 50
μ
s
T
AD
=
1
/(F
OSC
/divisor)
Shaded areas indicate T
AD
out of range for accurate
conversions. If analog input is desired at these
frequencies, use INTOSC/4 for the ADC clock source.
TABLE 9-2:
T
AD
FOR ADCS SETTINGS WITH VARIOUS OSCILLATORS
TABLE 9-3:
EFFECTS OF SLEEP ON ADCON0
Source
ADCS
<1:0>
Divisor
20
MHz
16
MHz
8 MHz
4 MHz
1 MHz
500
kHz
350
kHz
200
kHz
100
kHz
32 kHz
INTOSC
FOSC
FOSC
FOSC
11
4
4
8
.5
μ
s
.5
μ
s
1
μ
s
2
μ
s
1
μ
s
1
μ
s
2
μ
s
4
μ
s
4
μ
s
8
μ
s
16
μ
s
8
μ
s
16
μ
s
32
μ
s
10
01
.2
μ
s
.4
μ
s
.8
μ
s
.25
μ
s
.5
μ
s
1
μ
s
11
μ
s
23
μ
s
46
μ
s
20
μ
s
40
μ
s
80
μ
s
40
μ
s
80
μ
s
160
μ
s
125
μ
s
250
μ
s
500
μ
s
00
16
ANS1
ANS0
ADCS1
ADCS0
CHS1
CHS0
GO/DONE
ADON
Entering
Sleep
Wake or
Reset
Unchanged Unchanged
1
1
1
1
0
0
1
1
1
1
1
1
0
0
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