參數(shù)資料
型號(hào): PIC16LC712T
廠商: Microchip Technology Inc.
英文描述: 8-Bit CMOS Microcontrollers with A/D Converter and Capture/Compare/PWM
中文描述: 8位CMOS微控制器與A / D轉(zhuǎn)換器和捕捉/比較/ PWM
文件頁(yè)數(shù): 89/108頁(yè)
文件大?。?/td> 1810K
代理商: PIC16LC712T
PIC16C712/716
1999 Microchip Technology Inc.
Preliminary
DS41106A-page 89
FIGURE 12-8: A/D CONVERSION TIMING
TABLE 12-8
A/D CONVERSION REQUIREMENTS
Param
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
130
T
AD
A/D clock period
Standard
1.6
2.0
2.0
3.0
11
4.0
6.0
6.0
9.0
11
μ
s
μ
s
μ
s
μ
s
T
AD
T
OSC
based, V
REF
3.0V
T
OSC
based, V
REF
full range
A/D RC Mode
A/D RC Mode
Extended (LC)
Standard
Extended (LC)
131
T
CNV
Conversion time (not including S/H time)
(Note 1)
T
ACQ
Acquisition time
132
Note 2
5*
20
μ
s
μ
s
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
HOLD
).
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.
134
T
GO
Q4 to A/D clock start
T
OSC
/2 §
135
T
SWC
Switching from convert
sample time
* 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
CY
cycle.
See Section 9.1 for min conditions.
1.5 §
T
AD
:
:
:
Note 1:
2:
131
130
132
BSF ADCON0, GO
Q4
A/D CLK
A/D DATA
ADRES
ADIF
GO
SAMPLE
OLD_DATA
SAMPLING STOPPED
DONE
NEW_DATA
(T
OSC
/2)
(1)
7
6
5
4
3
2
1
0
Note1:
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.
1 Tcy
134
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PIC16LC712T-04I/SS 功能描述:8位微控制器 -MCU 1.75KB 128RAM 13 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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