參數(shù)資料
型號: DSPIC30F4013-20I/P
廠商: Microchip Technology
文件頁數(shù): 37/153頁
文件大小: 0K
描述: IC DSPIC MCU/DSP 48K 40DIP
產(chǎn)品培訓(xùn)模塊: Serial Communications using dsPIC30F CAN
Serial Communications using dsPIC30F I2C
Serial Communications using dsPIC30F SPI
Serial Communications using dsPIC30F UART
dsPIC30F 12 bit ADC - Part 2
dsPIC30F Addressing Modes - Part 1
dsPIC30F Architecture - Part 1
dsPIC30F DSP Engine & ALU
dsPIC30F Interrupts
dsPIC30F Motor Control PWM
dsPIC Timers
Asynchronous Stimulus
dsPIC30F Addressing Modes - Part 2
dsPIC30F Architecture - Part 2
dsPIC30F 12-bit ADC Part 1
標(biāo)準包裝: 10
系列: dsPIC™ 30F
核心處理器: dsPIC
芯體尺寸: 16-位
速度: 20 MIPS
連通性: CAN,I²C,SPI,UART/USART
外圍設(shè)備: AC'97,欠壓檢測/復(fù)位,I²S,POR,PWM,WDT
輸入/輸出數(shù): 30
程序存儲器容量: 48KB(16K x 24)
程序存儲器類型: 閃存
EEPROM 大小: 1K x 8
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 2.5 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 13x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
配用: AC30F003-ND - MODULE SOCKET DSPIC30F 40DIP
ACICE0206-ND - ADAPTER MPLABICE 40P 600 MIL
其它名稱: DSPIC30F4013-20IP
2010 Microchip Technology Inc.
DS70138G-page 131
dsPIC30F3014/4013
19.0
12-BIT ANALOG-TO-DIGITAL
CONVERTER (ADC) MODULE
The 12-bit Analog-to-Digital Converter (ADC) allows
conversion of an analog input signal to a 12-bit digital
number. This module is based on a Successive
Approximation Register (SAR) architecture and pro-
vides a maximum sampling rate of 200 ksps. The A/D
module has up to 16 analog inputs which are multi-
plexed into a sample and hold amplifier. The output of
the sample and hold is the input into the converter
which generates the result. The analog reference volt-
age is software selectable to either the device supply
voltage (AVDD/AVSS) or the voltage level on the
(VREF+/VREF-) pin. The A/D converter has a unique
feature of being able to operate while the device is in
Sleep mode with RC oscillator selection.
The A/D module has six 16-bit registers:
A/D Control Register 1 (ADCON1)
A/D Control Register 2 (ADCON2)
A/D Control Register 3 (ADCON3)
A/D Input Select Register (ADCHS)
A/D Port Configuration Register (ADPCFG)
A/D Input Scan Selection Register (ADCSSL)
The ADCON1, ADCON2 and ADCON3 registers
control the operation of the A/D module. The ADCHS
register selects the input channels to be converted. The
ADPCFG register configures the port pins as analog
inputs or as digital I/O. The ADCSSL register selects
inputs for scanning.
The block diagram of the 12-bit A/D module is shown in
FIGURE 19-1:
12-BIT A/D FUNCTIONAL BLOCK DIAGRAM
Note:
This data sheet summarizes features of
this group of dsPIC30F devices and is not
intended to be a complete reference
source. For more information on the CPU,
peripherals,
register
descriptions
and
general device functionality, refer to the
“dsPIC30F Family Reference Manual”
(DS70046).
Note:
The SSRC<2:0>, ASAM, SMPI<3:0>,
BUFM and ALTS bits, as well as the
ADCON3 and ADCSSL registers, must
not be written to while ADON = 1. This
would lead to indeterminate results.
Comparator
12-Bit SAR
Conversion Logic
VREF+
DAC
Da
ta
16-Word, 12-Bit
Dual Port
RAM
B
u
s
I
n
te
rf
ac
e
AN12
0000
0101
0111
1001
1100
0001
0010
0011
0100
0110
1000
1010
1011
AN8
AN9
AN10
AN11
AN4
AN5
AN6
AN7
AN0
AN1
AN2
AN3
CH0
AN1
VREF-
Sample/Sequence
Control
Sample
Input MUX
Control
Input
Switches
S/H
AVSS
AVDD
Fo
rm
a
t
Note:
The ADCHS, ADPCFG and ADCSSL registers allow the application to configure AN13-AN15 as analog input
pins. Since these pins are not physically present on the device, conversion results from these pins will read ‘0’.
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