DSPIC30F2011-20I/SO Microchip Technology, DSPIC30F2011-20I/SO Datasheet - Page 92
DSPIC30F2011-20I/SO
Manufacturer Part Number
DSPIC30F2011-20I/SO
Description
IC DSPIC MCU/DSP 12K 18SOIC
Manufacturer
Microchip Technology
Series
dsPIC™ 30Fr
Datasheets
1.DSPIC30F2011-20ISO.pdf
(66 pages)
2.DSPIC30F2011-20ISO.pdf
(210 pages)
3.DSPIC30F2011-20ISO.pdf
(14 pages)
4.DSPIC30F2011-20ISO.pdf
(6 pages)
5.DSPIC30F2011-20ISO.pdf
(18 pages)
6.DSPIC30F2011-20ISO.pdf
(206 pages)
Specifications of DSPIC30F2011-20I/SO
Core Processor
dsPIC
Core Size
16-Bit
Speed
20 MIPS
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
12
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 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
18-SOIC (7.5mm Width)
Core Frequency
40MHz
Embedded Interface Type
I2C, SPI, UART
No. Of I/o's
12
Flash Memory Size
12KB
Supply Voltage Range
2.5V To 5.5V
Operating Temperature Range
-40°C To +85°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT18SO-1 - SOCKET TRANSITION 18SOIC 300MILAC30F005 - MODULE SCKT DSPIC30F 18DIP/SOIC
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
DSPIC30F201120ISO
- DSPIC30F2011-20ISO PDF datasheet
- DSPIC30F2011-20ISO PDF datasheet #2
- DSPIC30F2011-20ISO PDF datasheet #3
- DSPIC30F2011-20ISO PDF datasheet #4
- DSPIC30F2011-20ISO PDF datasheet #5
- DSPIC30F2011-20ISO PDF datasheet #6
- Current page: 92 of 206
- Download datasheet (4Mb)
dsPIC30F2011/2012/3012/3013
Figure 13-2 depicts the a master/slave connection
between two processors. In Master mode, the clock is
generated by prescaling the system clock. Data is
transmitted as soon as a value is written to SPI1BUF.
The interrupt is generated at the middle of the transfer
of the last bit.
In Slave mode, data is transmitted and received as
external clock pulses appear on SCK. Again, the inter-
rupt is generated when the last bit is latched. If SS1
control is enabled, then transmission and reception are
enabled only when SS1 = low. The SDO1 output will be
disabled in SS1 mode with SS1 high.
The clock provided to the module is (F
clock is then prescaled by the primary (PPRE<1:0>)
and the secondary (SPRE<2:0>) prescale factors. The
CKE bit determines whether transmit occurs on transi-
tion from active clock state to Idle clock state, or vice
versa. The CKP bit selects the Idle state (high or low)
for the clock.
13.1.1
A control bit, MODE16 (SPI1CON<10>), allows the
module to communicate in either 16-bit or 8-bit mode.
16-bit operation is identical to 8-bit operation except
that the number of bits transmitted is 16 instead of 8.
FIGURE 13-2:
DS70139C-page 90
WORD AND BYTE
COMMUNICATION
MSb
PROCESSOR 1
SPI™ Master
Serial Input Buffer
SPI MASTER/SLAVE CONNECTION
Shift Register
(SPI1BUF)
(SPI1SR)
LSb
OSC
SDO1
SCK1
SDI1
/4). This
Preliminary
Serial Clock
The user software must disable the module prior to
changing the MODE16 bit. The SPI module is reset
when the MODE16 bit is changed by the user.
A basic difference between 8-bit and 16-bit operation is
that the data is transmitted out of bit 7 of the SPI1SR
for 8-bit operation, and data is transmitted out of bit15
of the SPI1SR for 16-bit operation. In both modes, data
is shifted into bit 0 of the SPI1SR.
13.1.2
A control bit, DISSDO, is provided to the SPI1CON reg-
ister to allow the SDO1 output to be disabled. This will
allow the SPI module to be connected in an input only
configuration. SDO1 can also be used for general
purpose I/O.
13.2
The module supports a basic framed SPI protocol in
Master or Slave mode. The control bit FRMEN enables
framed SPI support and causes the SS1 pin to perform
the frame synchronization pulse (FSYNC) function.
The control bit SPIFSD determines whether the SS1
pin is an input or an output (i.e., whether the module
receives or generates the frame synchronization
pulse). The frame pulse is an active high pulse for a
single SPI clock cycle. When frame synchronization is
enabled, the data transmission starts only on the
subsequent transmit edge of the SPI clock.
SDO1
SCK1
SDI1
Framed SPI Support
SDO1 DISABLE
MSb
Serial Input Buffer
Shift Register
PROCESSOR 2
(SPI1BUF)
(SPI1SR)
SPI™ Slave
© 2005 Microchip Technology Inc.
LSb
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