參數(shù)資料
型號： PIC16F716-I/SS
廠商： Microchip Technology
文件頁數(shù)： 72/136頁
文件大?。?/td> 0K
描述： IC PIC MCU FLASH 2KX14 20SSOP
產(chǎn)品培訓(xùn)模塊： Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝： 67
系列： PIC® 16F
核心處理器： PIC
芯體尺寸： 8-位
速度： 20MHz
外圍設(shè)備： 欠壓檢測/復(fù)位，POR，PWM，WDT
輸入/輸出數(shù)： 13
程序存儲器容量： 3.5KB（2K x 14）
程序存儲器類型： 閃存
RAM 容量： 128 x 8
電壓 - 電源 (Vcc/Vdd)： 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 4x8b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 20-SSOP（0.209"，5.30mm 寬）
包裝： 管件
產(chǎn)品目錄頁面： 639 (CN2011-ZH PDF)
配用： XLT20SS-1-ND - SOCKET TRANSITION 18DIP 20SSOP
I3-DB16F716-ND - BOARD DAUGHTER ICEPIC3
AC164307-ND - MODULE SKT FOR PM3 28SSOP
AC162054-ND - HEADER INTERFACE ICD2 16F716
PIC16F716
DS41206B-page 38
2007 Microchip Technology Inc.
7.1
ADC Configuration
When configuring and using the ADC the following
functions must be considered:
Port configuration
Channel selection
ADC voltage reference selection
ADC conversion clock source
Interrupt control
7.1.1
PORT CONFIGURATION
The ADC can be used to convert both analog and digital
signals. When converting analog signals, the I/O pin
should be configured for analog by setting the associated
TRIS and ADCON1 bits. See the corresponding Port
section for more information.
7.1.2
CHANNEL SELECTION
The CHS bits of the ADCON0 register determine which
channel is connected to the sample and hold circuit.
When changing channels, a delay is required before
starting the next conversion. Refer to Section 7.2
“ADC Operation” for more information.
7.1.3
ADC VOLTAGE REFERENCE
The PCFG bits of the ADCON0 register provide
independent control of the positive voltage reference.
The positive voltage reference can be either VDD or an
external voltage source.
7.1.4
CONVERSION CLOCK
The source of the conversion clock is software select-
able via the ADCS bits of the ADCON0 register. There
are four possible clock options:
FOSC/2
FOSC/8
FOSC/32
FRC (dedicated internal oscillator)
The time to complete one bit conversion is defined as
TAD. One full 8-bit conversion requires 9.5 TAD periods.
For correct conversion, the appropriate TAD specification
must be met. See A/D conversion requirements in
information. Table 7-1 gives examples of appropriate
ADC clock selections.
TABLE 7-1:
TAD vs. DEVICE OPERATING FREQUENCIES
Note:
Analog voltages on any pin that is defined
as a digital input may cause the input
buffer to conduct excess current.
Note:
Unless using the FRC, any changes in the
system clock frequency will change the
ADC
clock
frequency,
which
may
adversely affect the ADC result.
AD Clock Source (TAD)
Device Frequency
Operation
ADCS<1:0>
20 MHz
5 MHz
1.25 MHz
333.33 kHz
2TOSC
00
100 ns(2)
400 ns(2)
1.6
μs6 μs
8TOSC
01
400 ns(2)
1.6
μs6.4 μs
24
μs(3)
32 TOSC
10
1.6
μs6.4 μs
25.6
μs(3)
96
μs(3)
RC
11
2-6
μs(1), (4)
2-6
μs(1), (4)
2-6
μs(1), (4)
2-6
μs(1)
Legend: Shaded cells are outside of recommended range.
Note 1:
The RC source has a typical TAD time of 4
μs.
2:
These values violate the minimum required TAD time.
3:
For faster conversion times, the selection of another clock source is recommended.
4:
When device frequency is greater than 1 MHz, the RC A/D conversion clock source is recommended for
Sleep operation only.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16F716T-E/SO 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 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
PIC16F716T-E/SS 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 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
PIC16F716T-I/ML 制造商:Microchip Technology Inc 功能描述:MCU 8BIT RISC 28KB FLASH 2.5V/ - Tape and Reel
PIC16F716T-I/SO 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 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
PIC16F716T-I/SS 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 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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