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This month's issue:
The ADSP-21992 integrates a 160 million instructions per second (MIPS), 16-bit, ADSP-219x DSP core with 48K words of on-chip RAM, an 8-channel, 14-bit, 20 million samples per second analog-to-digital converter (ADC) with dual sample-and-hold amplifiers, three-phase PWM generator (suitable for both motor and switching power converter control), incremental encoder interfaces, timers, serial communications ports, SPI interface, watchdog timers and interrupt controllers.
The CAN interface on the ADSP-21992 conforms to CAN V2.0B and includes standard (11-bit) and extended (29-bit) identifiers. It has a 1 Mbit/sec data rate and 16 configurable mail boxes (all receive or transmit). Other features of the CAN interface on the ADSP-21992 include error status and warning registers, a universal counter module, powerdown/sleep mode and readable transmit and receive counters.
Pricing is $22.50 per unit in quantities of 10,000-units. The ADSP-21992 will be available in a 196-ball, mini-BGA package and a 176-pin TQFP package. The full industrial temperature range of -40 degrees C to +85 degrees C is supported.
Atmel announced two new microcontrollers based on the 32-bit ARM7TDMI(TM) RISC core. The AT91FR4042 and AT91FR40162 integrate 512 Kbytes and 2 Mbytes Flash memory respectively. The Flash memories feature a lockable boot block that enables critical software modules to be protected, and for the 2-Mbyte version a dual-plane architecture supporting read-while-write. Both devices integrate 256 Kbytes of single clock cycle 32-bit wide SRAM, providing a maximum performance of 74 MIPS.
The AT91FR4042 and AT91FR40162 ship in a BGA121 10x10x1.2 mm outline, 0.8 mm ball pitch package
The AT91FR4042 and AT91FR40162 integrate two USARTS, three 16-bit timers with capture, compare and PWM modes, an External Bus Interface and a watchdog timer.
A complete evaluation kit for the AT91FR40162 and AT91FR4042, the AT91EB40A, is available for only $199.
Pricing for the AT91FR4042-CI in a 121-pin BGA package starts at $8.60 each in 100K unit volumes.
The kit includes an evaluation board fitted with an Atmel T89C51RD2 microcontroller, a header cable that allows it to function as an in-circuit debugger, and a 4k byte version of Crossware’s 8051 Development Suite. A serial cable and mains power supply are also included.
Crossware’s 8051 Development Suite includes a serial port debug monitor, C-compiler, assembler and a code creation wizard.
More info: www.crossware.com
Atmel Corporation released three new parts to its family of Wireless LAN products. This family, called Fast-VirtualNet(TM), are single chip baseband Media Access Controllers (MAC) supporting three popular system interfaces: PCMCIA or Compact Flash (AT76C504), USB (AT76C505) and PCI or mini-PCI (AT76C506).
The AT76C504/505/506 chips incorporate an ARM7TDMI® processor to control the on-chip peripherals, manage the internal memory and allocate data queue buffers as well as communicate through the PCMCIA, USB or PCI buses.
The C8051F040 has an integrated CAN 2.0B controller with 32
message objects, each with its own filter mask. Integrated analog peripherals
include two 12-bit DAC’s, a 12-bit 100KSPS ADC, a +/- 60V common-mode input
range programmable gain differential amplifier, comparators, reference, and a
The 32-bit SH-3 CPU has a performance of 173 MIPS at 133 MHz operation with power consumption of 1mW/Mhz. The peripheral set on the SH7705 includes 32kByte cache memory, a USB 1.1 transceiver, high-speed serial interfaces with a 64-byte FIFO (First In First Out), a Memory Management Unit, external memory access controller, and an IrDA Version 1.0 interface for infrared communication.
The new processor is available in two packages, a 28 mm x 28 mm, 208-pin LQFP and a 12 mm x 12 mm, 208-pin Chip Scale Package (CSP).
Microchip has licensed a direct sequence spread spectrum (DSSS) transceiver utilizing Adcon's IEEE 802.15.4/ZigBee-compliant transceiver technology.
The agreement enables Microchip to develop products specifically for the low-power wireless, consumer, appliance and home-automation markets.
The ZigBee standard defines "lowest-cost and lowest-power consumption" communications for household appliances and building automation, and is a cost-effective alternative to Bluetooth for all applications involving small volumes of data transmitted over longer distances.
Microchip has partnered with Future Electronics to offer a “Wireless Sensor Solution” reference design kit that provides an easy-to-adopt RF solution.
The reference design kit is a self-contained “working prototype” that highlights Microchip’s rfPIC™ UHF transmitter and the PIC16C925 microcontroller with an LCD driver. The kit includes all of the necessary design files, schematics, PCB layout files, software, and supporting circuitry needed to easily and efficiently design a wireless sensor application.
The core of the transmitter board is Microchip’s rfPIC12C509AF microcontroller which features an RF transmitter with ASK or FSK modulation, PLL and VCO capable of transmissions in the 310-440MHz range, making it ideal for remote control and intermittent RF links. The engine on the receiver board is a PIC16C925 microcontroller with a built-in 32-segment LCD driver to display the sensor reading.
The kit is available from Future Electronics.
The RDM5272C3CAN reference design, based on the ColdFire MCF5272 Version 2 integrated microprocessor, is designed to enable system designers to quickly employ the Ethernet local area network technology alongside CAN technology for distributed control applications. The kit includes schematics, application note, initialization and driver software. The board features: 4MB SDRAM, 2MB FLASH, 10/100 Ethernet, 2 serial ports, USB port.
TROY Wireless, a division of TROY Group, Inc. and Stonestreet One announced that they both have available standard Bluetooth upper-level software for TI's TMS320C54x DSPs.
The new Bluetooth upper-level stacks provide a standard interface that links application-specific Bluetooth profiles with the C54x DSP host processor. Running the stack directly on the DSP eliminates the need for a separate microprocessor and memory for the Bluetooth protocol processing, thereby reducing the cost, size, and power consumption of a DSP- based device.
The dual-core OMAP5910 embedded processor combines in a single device TI's TMS320C55xTM DSP and ARM925TM microprocessor cores. Integrated peripherals include: 192 Kbytes RAM, USB 1.1 host and client, MMC/SD card interface, multi-channel buffered serial ports, real-time clock, GPIO and UARTs, LCD interface, SPI, uWire and I2S.
The TMP92CH21FG is code compatible to Toshiba's 16-bit TLCS 900 family and features 16k RAM, USB1.1 controller, STN and TFT LCD controller for 256 and 4,096 color displays, I2C interface, SDRAM controller, Memory controller for external NAND flash memory, UART, 4 channel 10-bit A/D.
Integrated clock doubler from external 10MHz to internal 20MHz clock. Power consumption 75mW at 20MHz. 144 pin QFP. Price $8.95 in 100 piece quantities.
The TMP87EP26F incorporates 16kbytes of flash program memory, 512 bytes of flash data memory, 32kBytes of ROM and 2kBytes of RAM. On-board LCD functionality comprises a 40 segment x 4 com LCD driver with a display memory of 20 bytes. In addition the microcontroller offers two 16-bit and two 8-bit timers, an 8-bit A/D converter, and two clock generators delivering frequencies of 8MHz and 32kHz respectively Connectivity options consist of two serial interfaces and 11 input/output ports.
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