DSPIC33FJ256GP710A-H/PT Microchip Technology, DSPIC33FJ256GP710A-H/PT Datasheet - Page 227
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DSPIC33FJ256GP710A-H/PT
Manufacturer Part Number
DSPIC33FJ256GP710A-H/PT
Description
16 Bit MCU/DSP 100LD 40MIPS 256KB FLASH 100 TQFP 12x12x1mm TRAY
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Datasheet
1.DSPIC33FJ64GP206A-IMR.pdf
(338 pages)
Specifications of DSPIC33FJ256GP710A-H/PT
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
CAN, I²C, IrDA, LIN, SPI, UART/USART
Peripherals
AC'97, Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
30K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 32x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 140°C
Package / Case
100-TQFP
Processor Series
dsPIC33F
Core
dsPIC
Data Bus Width
16 bit
Interface Type
SPI, I2C, UART, JTAG
Number Of Programmable I/os
35
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 140 C
Mounting Style
SMD/SMT
Development Tools By Supplier
MPLAB IDE Software
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel
A/d Bit Size
10 bit
A/d Channels Available
13
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPIC33FJ256GP710A-H/PT
Manufacturer:
Microchip Technology
Quantity:
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20.0
20.1
The dsPIC33FJXXXGPX06A/X08A/X10A Data Con-
verter Interface (DCI) module allows simple interfacing
of devices, such as audio coder/decoders (Codecs),
ADC and D/A converters. The following interfaces are
supported:
• Framed Synchronous Serial Transfer (Single or
• Inter-IC Sound (I
• AC-Link Compliant mode
The DCI module provides the following general
features:
• Programmable word size up to 16 bits
• Supports up to 16 time slots, for a maximum
• Data buffering for up to 4 samples without CPU
20.2
There are four I/O pins associated with the module.
When enabled, the module controls the data direction
of each of the four pins.
20.2.1
The CSCK pin provides the serial clock for the DCI
module. The CSCK pin may be configured as an input
or output using the CSCKD control bit in the DCICON1
SFR. When configured as an output, the serial clock is
provided by the dsPIC33FJXXXGPX06A/X08A/X10A.
When configured as an input, the serial clock must be
provided by an external device.
20.2.2
The Serial Data Output (CSDO) pin is configured as an
output only pin when the module is enabled. The
CSDO pin drives the serial bus whenever data is to be
2009 Microchip Technology Inc.
Multi-Channel)
frame size of 256 bits
overhead
Note 1: This data sheet summarizes the features
2: Some registers and associated bits
DATA CONVERTER
INTERFACE (DCI) MODULE
Module Introduction
Module I/O Pins
CSCK PIN
CSDO PIN
of
X10A family of devices. However, it is not
intended to be a comprehensive refer-
ence source. To complement the informa-
tion in this data sheet, refer to Section
20. “Data Converter Interface (DCI)”
(DS70288) in the “dsPIC33F/PIC24H
Family Reference Manual”, which is avail-
able from the Microchip web site
(www.microchip.com).
described in this section may not be avail-
able on all devices. Refer to Section 4.0
“Memory Organization” in this data
sheet for device-specific register and bit
information.
the dsPIC33FJXXXGPX06A/X08A/
2
S) Interface
dsPIC33FJXXXGPX06A/X08A/X10A
Preliminary
transmitted. The CSDO pin is tri-stated, or driven to ‘0’,
during CSCK periods when data is not transmitted
depending on the state of the CSDOM control bit. This
allows other devices to place data on the serial bus
during transmission periods not used by the DCI
module.
20.2.3
The Serial Data Input (CSDI) pin is configured as an
input only pin when the module is enabled.
20.2.3.1
The Codec Frame Synchronization (COFS) pin is used
to synchronize data transfers that occur on the CSDO
and CSDI pins. The COFS pin may be configured as an
input or an output. The data direction for the COFS pin
is determined by the COFSD control bit in the
DCICON1 register.
The DCI module accesses the shadow registers while
the CPU is in the process of accessing the memory
mapped buffer registers.
20.2.4
Data values are always stored left justified in the
buffers since most Codec data is represented as a
signed 2’s complement fractional number. If the
received word length is less than 16 bits, the unused
Least Significant bits in the Receive Buffer registers are
set to ‘0’ by the module. If the transmitted word length
is less than 16 bits, the unused LSbs in the Transmit
Buffer register are ignored by the module. The word
length setup is described in subsequent sections of this
document.
20.2.5
The DCI module has a 16-bit shift register for shifting
serial data in and out of the module. Data is shifted in/
out of the shift register, MSb first, since audio PCM data
is transmitted in signed 2’s complement format.
20.2.6
The DCI module contains a buffer control unit for
transferring data between the shadow buffer memory
and the Serial Shift register. The buffer control unit is a
simple 2-bit address counter that points to word loca-
tions in the shadow buffer memory. For the receive
memory space (high address portion of DCI buffer
memory), the address counter is concatenated with a
‘0’ in the MSb location to form a 3-bit address. For the
transmit memory space (high portion of DCI buffer
memory), the address counter is concatenated with a
‘1’ in the MSb location.
Note:
CSDI PIN
BUFFER DATA ALIGNMENT
TRANSMIT/RECEIVE SHIFT
REGISTER
DCI BUFFER CONTROL
The DCI buffer control unit always
accesses the same relative location in the
transmit and receive buffers, so only one
address counter is provided.
COFS Pin
DS70593B-page 227
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