ATA8742-PXQW【PDF 20/238 页】MCU W/TRANSMITTER ASK/FSK 24QFN

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Sheet目录52

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9151AINDCO07/09

ATA8742

architecture is more code efficient while achieving throughputs up to ten times faster than con-

ventional CISC microcontrollers.

The ATtiny24/44/84 provides the following features: 2/4/8K byte of In-System Programmable

Flash, 128/256/512 bytes EEPROM, 128/256/512 bytes SRAM, 12 general purpose I/O lines, 32

general purpose working registers, a 8-bit Timer/Counter with two PWM channels, a 16-bit

timer/counter with two PWM channels, Internal and External Interrupts, a 8-channel 10-bit ADC,

programmable gain stage (1x, 20x) for 12 differential ADC channel pairs, a programmable

Watchdog Timer with internal Oscillator, internal calibrated oscillator, and three software select-

able power saving modes. The Idle mode stops the CPU while allowing the SRAM,

Timer/Counter, ADC, Analog Comparator, and Interrupt system to continue functioning. The

Power-down mode saves the register contents, disabling all chip functions until the next Inter-

rupt or Hardware Reset. The ADC Noise Reduction mode stops the CPU and all I/O modules

except ADC, to minimize switching noise during ADC conversions. In Standby mode, the crys-

tal/resonator Oscillator is running while the rest of the device is sleeping. This allows very fast

start-up combined with low power consumption.

The device is manufactured using Atmels high density non-volatile memory technology. The

On-chip ISP Flash allows the Program memory to be re-programmed In-System through an SPI

serial interface, by a conventional non-volatile memory programmer or by an On-chip boot code

running on the AVR core.

The ATtiny24/44/84 AVR is supported with a full suite of program and system development tools

including: C Compilers, Macro Assemblers, Program Debugger/Simulators, In-Circuit Emulators,

and Evaluation kits.

9.2

Automotive Quality Grade

The ATtiny24/44/84 have been developed and manufactured according to the most stringent

requirements of the international standard ISO-TS-16949 grade 1. This data sheet contains limit

values extracted from the results of extensive characterization (Temperature and Voltage). The

quality and reliability of the ATtiny24/44/84 have been verified during regular product qualifica-

tion as per AEC-Q100.

As indicated in the ordering information paragraph, the product is available in only one tempera-

ture grade,

Table 9-1.

Temperature Grade Identification for Automotive Products

Temperature

Identifier

Comments

-40; +125

Full Automotive Temperature Range

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