DSPIC30F2012-30I/SP Microchip Technology Inc., DSPIC30F2012-30I/SP Datasheet - Page 117
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DSPIC30F2012-30I/SP
Manufacturer Part Number
DSPIC30F2012-30I/SP
Description
DSP, 16-Bit, 12 KB Flash, 1KB RAM, 20 I/O, PDIP-28
Manufacturer
Microchip Technology Inc.
Type
DSPr
Datasheet
1.DSPIC30F2012-30ISP.pdf
(205 pages)
Specifications of DSPIC30F2012-30I/SP
A/d Inputs
10-Channels, 12-Bit
Cpu Speed
30 MIPS
Eeprom Memory
0 Bytes
Input Output
20
Interface
I2C, SPI, UART/USART
Ios
20
Memory Type
Flash
Number Of Bits
16
Package Type
28-pin SPDIP
Programmable Memory
12K Bytes
Ram Size
1K Bytes
Timers
3-16-bit, 1-32-bit
Voltage, Range
2.5-5.5
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DSPIC30F2012-30I/SP
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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16.13 Configuring Analog Port Pins
The use of the ADPCFG and TRIS registers control the
operation of the A/D port pins. The port pins that are
desired as analog inputs must have their correspond-
ing TRIS bit set (input). If the TRIS bit is cleared (out-
put), the digital output level (V
converted.
The A/D operation is independent of the state of the
CH0SA<3:0>/CH0SB<3:0> bits and the TRIS bits.
When reading the PORT register, all pins configured as
analog input channels will read as cleared.
Pins configured as digital inputs will not convert an ana-
log input. Analog levels on any pin that is defined as a
digital input (including the ANx pins) may cause the
input buffer to consume current that exceeds the
device specifications.
© 2006 Microchip Technology Inc.
OH
or V
dsPIC30F2011/2012/3012/3013
OL
) will be
16.14 Connection Considerations
The analog inputs have diodes to V
protection. This requires that the analog input be
between V
range by greater than 0.3V (either direction), one of the
diodes becomes forward biased and it may damage the
device if the input current specification is exceeded.
An external RC filter is sometimes added for anti-
aliasing of the input signal. The R component should be
selected to ensure that the sampling time requirements
are satisfied. Any external components connected (via
high-impedance) to an analog input pin (capacitor,
zener diode, etc.) should have very little leakage
current at the pin.
DD
and V
SS
. If the input voltage exceeds this
DD
DS70139E-page 115
and V
SS
as ESD
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