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參數(shù)資料
| 型號： | IR80C52TXXX-16SHXXX:RD |
| 廠商： | TEMIC SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQCC44 |
| 文件頁數(shù)： | 106/182頁 |
| 文件大?。?/td> | 2994K |
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3
1477K–AVR–08/10
ATtiny26(L)
Description
The ATtiny26(L) is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC
architecture. By executing powerful instructions in a single clock cycle, the ATtiny26(L) achieves
throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power con-
sumption versus processing speed.
The AVR core 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 up to ten times faster than con-
ventional CISC microcontrollers. The ATtiny26(L) has a high precision ADC with up to 11 single
ended channels and 8 differential channels. Seven differential channels have an optional gain of
20x. Four out of the seven differential channels, which have the optional gain, can be used at the
same time. The ATtiny26(L) also has a high frequency 8-bit PWM module with two independent
outputs. Two of the PWM outputs have inverted non-overlapping output pins ideal for synchro-
nous rectification. The Universal Serial Interface of the ATtiny26(L) allows efficient software
implementation of TWI (Two-wire Serial Interface) or SM-bus interface. These features allow for
highly integrated battery charger and lighting ballast applications, low-end thermostats, and
firedetectors, among other applications.
The ATtiny26(L) provides 2K bytes of Flash, 128 bytes EEPROM, 128 bytes SRAM, up to 16
general purpose I/O lines, 32 general purpose working registers, two 8-bit Timer/Counters, one
with PWM outputs, internal and external Oscillators, internal and external interrupts, program-
mable Watchdog Timer, 11-channel, 10-bit Analog to Digital Converter with two differential
voltage input gain stages, and four software selectable power saving modes. The Idle mode
stops the CPU while allowing the Timer/Counters and interrupt system to continue functioning.
The ATtiny26(L) also has a dedicated ADC Noise Reduction mode for reducing the noise in ADC
conversion. In this sleep mode, only the ADC is functioning. The Power-down mode saves the
register contents but freezes the oscillators, disabling all other chip functions until the next inter-
rupt or hardware reset. The Standby mode is the same as the Power-down mode, but external
oscillators are enabled. The wakeup or interrupt on pin change features enable the ATtiny26(L)
to be highly responsive to external events, still featuring the lowest power consumption while in
the Power-down mode.
The device is manufactured using Atmel’s high density non-volatile memory technology. By
combining an enhanced RISC 8-bit CPU with Flash on a monolithic chip, the ATtiny26(L) is a
powerful microcontroller that provides a highly flexible and cost effective solution to many
embedded control applications.
The ATtiny26(L) AVR is supported with a full suite of program and system development tools
including: Macro assemblers, program debugger/simulators, In-circuit emulators, and evaluation
kits.
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