參數(shù)資料
型號： PIC12HV615
廠商： Microchip Technology Inc.
英文描述： 8-Pin Flash-Based, 8-Bit CMOS Microcontrollers
中文描述： 8引腳閃存的基礎(chǔ)上，8位CMOS微控制器
文件頁數(shù)： 69/168頁
文件大小： 1347K
代理商： PIC12HV615
2006 Microchip Technology Inc.
Preliminary
DS41302A-page 67
PIC12F609/615/12HV609/615
TABLE 9-1:
ADC CLOCK PERIOD (T
AD
) V
S
. DEVICE OPERATING FREQUENCIES (VDD > 3.0V)
FIGURE 9-2:
ANALOG-TO-DIGITAL CONVERSION T
AD
CYCLES
9.1.5
INTERRUPTS
The ADC module allows for the ability to generate an
interrupt upon completion of an Analog-to-Digital
conversion. The ADC interrupt flag is the ADIF bit in the
PIR1 register. The ADC interrupt enable is the ADIE bit
in the PIE1 register. The ADIF bit must be cleared in
software.
This interrupt can be generated while the device is
operating or while in Sleep. If the device is in Sleep, the
interrupt will wake-up the device. Upon waking from
Sleep, the next instruction following the
SLEEP
instruction is always executed. If the user is attempting
to wake-up from Sleep and resume in-line code
execution, the global interrupt must be disabled. If the
global interrupt is enabled, execution will switch to the
Interrupt Service Routine.
Please see
Section 9.1.5 “Interrupts”
for more
information.
ADC Clock Period (T
AD
)
Device Frequency (F
OSC
)
ADC Clock Source
ADCS<2:0>
20 MHz
100 ns
(2)
200 ns
(2)
400 ns
(2)
800 ns
(2)
1.6
μ
s
3.2
μ
s
2-6
μ
s
(1,4)
8 MHz
250 ns
(2)
500 ns
(2)
1.0
μ
s
(2)
2.0
μ
s
4.0
μ
s
8.0
μ
s
(3)
2-6
μ
s
(1,4)
4 MHz
500 ns
(2)
1.0
μ
s
(2)
2.0
μ
s
4.0
μ
s
8.0
μ
s
(3)
16.0
μ
s
(3)
2-6
μ
s
(1,4)
1 MHz
F
OSC
/2
F
OSC
/4
F
OSC
/8
F
OSC
/16
F
OSC
/32
F
OSC
/64
F
RC
000
2.0
μ
s
4.0
μ
s
8.0
μ
s
(3)
16.0
μ
s
(3)
32.0
μ
s
(3)
64.0
μ
s
(3)
2-6
μ
s
(1,4)
100
001
101
010
110
x11
Legend:
Note 1:
Shaded cells are outside of recommended range.
The F
RC
source has a typical T
AD
time of 4
μ
s for V
DD
> 3.0V.
These values violate the minimum required T
AD
time.
For faster conversion times, the selection of another clock source is recommended.
When the device frequency is greater than 1 MHz, the F
RC
clock source is only recommended if the
conversion will be performed during Sleep.
2:
3:
4:
T
AD
1 T
AD
2 T
AD
3 T
AD
4 T
AD
5 T
AD
6 T
AD
7 T
AD
8 T
AD
9
Set GO/DONE bit
Holding Capacitor is Disconnected from Analog Input (typically 100 ns)
b9
b8
b7
b6
b5
b4
b3
b2
T
AD
10 T
AD
11
b1
b0
T
CY
to T
AD
Conversion Starts
ADRESH and ADRESL registers are loaded,
GO bit is cleared,
ADIF bit is set,
Holding capacitor is connected to analog input
Note:
The ADIF bit is set at the completion of
every conversion, regardless of whether
or not the ADC interrupt is enabled.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC12HV615-E/MD 功能描述:8位微控制器 -MCU 2KB Flash 64 RAM 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 最大時鐘頻率:50 MHz 程序存儲器大小: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
PIC12HV615-E/MF 功能描述:8位微控制器 -MCU 1.75KB Flash 64B RAM 6 I/O 8MHz INT OSC 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 最大時鐘頻率:50 MHz 程序存儲器大小: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
PIC12HV615-E/MS 功能描述:8位微控制器 -MCU 2KB Flash 64 RAM 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 最大時鐘頻率:50 MHz 程序存儲器大小: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
PIC12HV615-E/P 功能描述:8位微控制器 -MCU 2KB Flash 64 RAM 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 最大時鐘頻率:50 MHz 程序存儲器大小: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
PIC12HV615-E/SN 功能描述:8位微控制器 -MCU 2KB Flash 64 RAM 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 最大時鐘頻率:50 MHz 程序存儲器大小: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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