ATxmega16D4 Atmel Corporation, ATxmega16D4 Datasheet - Page 3

• Manufacturer Part Number: ATxmega16D4
• Manufacturer: Atmel Corporation

Specifications of ATxmega16D4

• Flash (kbytes): 16 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 32 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 34
• Ext Interrupts: 34
• Usb Speed: No
• Usb Interface: No
• Spi: 4
• Twi (i2c): 2
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 12
• Adc Resolution (bits): 12
• Adc Speed (ksps): 200
• Analog Comparators: 2
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 2
• Eeprom (bytes): 1024
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.6 to 3.6
• Operating Voltage (vcc): 1.6 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 14
• Input Capture Channels: 14
• Pwm Channels: 14
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

2. Overview
8210B–AVR–04/10
The XMEGA D is a family of low power, high performance and peripheral rich CMOS 8/16-bit
microcontrollers based on the AVR enhanced RISC architecture. By executing powerful instruc-
tions in a single clock cycle, the XMEGA D achieves throughputs approaching 1 Million
Instructions Per Second (MIPS) per MHz allowing the system designer to optimize power con-
sumption versus processing speed.
The AVR CPU combines a rich instruction set with 32 general purpose working registers. All the
32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent
registers to be accessed in one single instruction, executed in one clock cycle. The resulting
architecture is more code efficient while achieving throughputs many times faster than conven-
tional single-accumulator or CISC based microcontrollers.
The XMEGA D devices provide the following features: In-System Programmable Flash with
Read-While-Write capabilities, Internal EEPROM and SRAM, four-channel Event System and
Programmable Multi-level Interrupt Controller, up to 78 general purpose I/O lines, 16-bit Real
Time Counter (RTC), up to five flexible 16-bit Timer/Counters with compare modes and PWM,
up to four USARTs, one I
Serial Peripheral Interfaces (SPIs), 16-channel, 12-bit ADC, with optional differential input and
programmable gain, two analog comparators with window mode, programmable Watchdog
Timer with separate Internal Oscillator, accurate internal oscillators with PLL and prescaler, and
programmable Brown-Out Detection.
The Program and Debug Interface (PDI), a fast 2-pin interface for programming and debugging,
is available.
The XMEGA D devices have five software selectable power saving modes. The Idle mode stops
the CPU while allowing the SRAM, Event System, Interrupt Controller and all peripherals to con-
tinue functioning. The Power-down mode saves the SRAM and register contents but stops the
oscillators, disabling all other functions until the next TWI- or pin-change interrupt, or Reset. In
Power-save mode, the asynchronous Real Time Counter continues to run, allowing the applica-
tion to maintain a timer base while the rest of the device is sleeping. In Standby mode, the
Crystal/Resonator Oscillator is kept running while the rest of the device is sleeping. This allows
very fast start-up from external crystal combined with low power consumption. In Extended
Standby mode, both the main Oscillator and the Asynchronous Timer continue to run. To further
reduce power consumption, the peripheral clock to each individual peripheral can optionally be
stopped in Active mode and Idle sleep mode.
The devices are manufactured using Atmel's high-density nonvolatile memory technology. The
program Flash memory can be reprogrammed in-system through the PDI. A Bootloader running
in the device can use any interface to download the application program to the Flash memory.
The Bootloader software in the Boot Flash section will continue to run while the Application
Flash section is updated, providing true Read-While-Write operation. By combining an 8/16-bit
RISC CPU with In-System Self-Programmable Flash, the Atmel XMEGA D is a powerful micro-
controller family that provides a highly flexible and cost effective solution for many embedded
applications.
The XMEGA D devices are supported with a full suite of program and system development tools
including: C compilers, macro assemblers, program debugger/simulators, programmers, and
evaluation kits.
2
C and SMBUS compatible Two Wire Serial Interface (TWI), up to two
XMEGA D
3