DSPIC30F2012-30I/ML Microchip Technology, DSPIC30F2012-30I/ML Datasheet - Page 3

• Manufacturer Part Number: DSPIC30F2012-30I/ML
• Description: IC, DSC, 16BIT, 12KB, 40MHZ, 5.5V, QFN28
• Manufacturer: Microchip Technology
• Series: DsPIC30Fr

Specifications of DSPIC30F2012-30I/ML

• Core Frequency: 40MHz
• Core Supply Voltage: 5.5V
• Embedded Interface Type: I2C, SPI, UART
• No. Of I/o's: 20
• Flash Memory Size: 12KB
• Supply Voltage Range: 2.5V To 5.5V
• Core Processor: dsPIC
• Core Size: 16-Bit
• Speed: 30 MIPs
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 20
• Program Memory Size: 12KB (4K x 24)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.5 V ~ 5.5 V
• Data Converters: A/D 10x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Package: 28QFN EP
• Device Core: dsPIC
• Family Name: dsPIC30
• Maximum Speed: 30 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 16 Bit
• Number Of Programmable I/os: 12
• Interface Type: I2C/SPI/UART
• On-chip Adc: 10-chx12-bit
• Number Of Timers: 3
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28QFN4 - SOCKET TRANS ICE 28QFN W/CABLEAC164322 - MODULE SOCKET MPLAB PM3 28/44QFNDV164005 - KIT ICD2 SIMPLE SUIT W/USB CABLE
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: DSPIC30F201230IML

1. Module: Malfunction of EMUC2 pin on
2. Module: MAC Class Instructions with ±4
© 2008 Microchip Technology Inc.
On the dsPIC30F2011/2012 devices, the EMUC2
pin is susceptible to negative voltage spikes and
requires additional protection.
Work around
The work around depends on the usage of the
EMUC2 pin.
• If the EMUC2 pin is not used, terminate pin to
• If the EMUC2 pin is used for emulation, connect
• If the EMUC2 pin is used for I/O, add low-pass
Sequential MAC class instructions, which prefetch
data from Y data space using ±4 address
modification will cause an address error trap. The
trap occurs only when all the following conditions
are true:
1. Two sequential MAC class instructions (or a
2. Both instructions prefetch data from Y data
3. Neither of the instructions uses an accumulator
Work around
The problem described above can be avoided by
using any of the following methods:
1. Inserting any other instruction between the two
2. Adding an accumulator write back (a dummy
3. Do not use the + = 4 or - = 4 address
4. Do not prefetch data from Y data space.
ground through a 100 ohms resistor.
pin to the MPLAB ICD 2 EMUC signal through a
100 ohms resistor.
RC filter on the pin, with C = 1 nF and
R = 100 ohms with the capacitor junction on
the pin.
MAC class instruction executed in a REPEAT or
DO loop) that prefetch from Y data space.
space using the + = 4 or - = 4 address
modification.
write back.
MAC class instructions.
write back if needed) to either of the MAC class
instructions.
modification.
dsPIC30F2011/2012
Address Modification
3. Module: CPU –
EXAMPLE 1:
L0:DAW.b
L1: ....
dsPIC30F2011/2012
The Decimal Adjust instruction, DAW.b, may
improperly clear the Carry bit, C (SR<0>), when
executed.
Work arounds
Work around 1:
Check the state of the Carry bit prior to executing
the DAW.b instruction. If the Carry bit is set, set the
Carry bit again after executing the DAW.b
instruction. Example 1 shows how the application
should process the Carry bit during a BCD addition
operation.
Work around 2: For C Language Source Code
For applications using C language, MPLAB C30
versions 1.20.04 or higher provide the following
command-line switch that implements a work
around for the erratum.
Refer to the “readme.txt” file in the MPLAB C30
v1.20.04 toolsuite for further details.
.include “p30f3013.inc”
.......
MOV.b
MOV.b
ADD.b
BRA
DAW.b
BSET.b
BRA
-merrata=psv
#0x80, w0
#0x80, w1
w0, w1, w2 ;Perform addition
NC, L0
w2
L1
w2
SR, #C
CHECK CARRY BIT BEFORE
DAW.b
DAW.b
;First BCD number
;Second BCD number
;If C set go to L0
;If not,do DAW and
;set the carry bit
;and exit
Instruction
DS80273F-page 3