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AT91FR4042 데이터시트 PDF




ATMEL Corporation에서 제조한 전자 부품 AT91FR4042은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AT91FR4042 자료 제공

부품번호 AT91FR4042 기능
기능 AT91 ARM Thumb Microcontrollers
제조업체 ATMEL Corporation
로고 ATMEL Corporation 로고


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AT91FR4042 데이터시트, 핀배열, 회로
Features
Incorporates the ARM7TDMI® ARM® Thumb® Processor Core
– High-performance 32-bit RISC Architecture
– High-density 16-bit Instruction Set
– Leader in MIPS/Watt
– Embedded ICE (In-circuit Emulation)
256K Bytes of On-chip SRAM (2 Mbits)
– 32-bit Data Bus, Single-clock Cycle Access
256K Words 16-bit Flash Memory (4 Mbits)
– Single Voltage Read/Write
– Sector Erase Architecture
– Low-power Operation
– Data Polling, Toggle Bit and Ready/Busy End of Program Cycle Detection
– Reset Input for Device Initialization
– Factory-programmed AT91 Flash Uploader Software
Fully Programmable External Bus Interface (EBI)
– Up to Eight Chip Selects, Maximum External Address Space of 64M Bytes
– Software Programmable 8/16-bit External Data Bus
8-level Priority, Individually Maskable, Vectored Interrupt Controller
– Four External Interrupts, Including a High-priority Low-latency Interrupt Request
32 Programmable I/O Lines
3-channel 16-bit Timer/Counter
– Three External Clock Inputs, Two Multi-purpose I/O Pins per Channel
Two USARTs
– Two Dedicated Peripheral Data Controller (PDC) Channels per USART
Programmable Watchdog Timer
Advanced Power-saving Features
– CPU and Peripherals can be Deactivated Individually
Fully Static Operation:
– 0 Hz to 75 MHz Internal Frequency Range at VDDCORE = 1.65V, 85°C
2.7V to 3.6V I/O and Flash Operating Range, 1.65V to 1.95V Core Operating Range
-40°C to 85°C Temperature Range
Available in a 121-ball 10 x 10 x 1.2 mm BGA Package with 0.8 mm Ball Pitch
AT91 ARM®
Thumb®
Microcontrollers
AT91FR4042
Description
The AT91FR4042 is a member of the Atmel AT91 16/32-bit Microcontroller family,
which is based on the ARM7TDMI processor core. The processor has a high-perfor-
mance 32-bit RISC architecture with a high-density 16-bit instruction set and very low
power consumption.
The AT91FR4042 ARM microcontroller features 2 Mbits of on-chip SRAM and 4 Mbits
of Flash memory in a single compact 121-ball BGA package. Its high level of integra-
tion and very small footprint make the device ideal for space-constrained applications.
The high-speed on-chip SRAM enables a performance of up to 63 MIPs and signifi-
cant power reduction over an external SRAM implementation.
The Flash memory may be programmed via the JTAG/ICE interface or the factory-pro-
grammed Flash Uploader using a single device supply, making the AT91FR4042
suitable for in-system programmable applications.
2648D–ATARM–03/04




AT91FR4042 pdf, 반도체, 판매, 대치품
Table 1. AT91FR4042 Pin Description (Continued)
Module
Flash
Memory
Power
Name
NCSF
NBUSY
NRSTF
VDDIO
VDDCORE
GND
VPP
Function
Flash Memory Select
Flash Memory Busy Output
Flash Memory Reset Input
Power
Power
Ground
Power
Type
Input
Output
Input
Power
Power
Ground
Power
Active
Level
Low
Low
Low
Comments
Enables Flash Memory when pulled low
Flash RDY/BUSY signal; open-drain
Resets Flash to standard operating mode
All VDDIO, VDDCORE and all GND pins
MUST be connected to their respective
supplies by the shortest route
See AT49BV/LV4096A
4-megabit (256 K x 16/512 K x 8) Single 2.7
Volt Flash Memory Datasheet
4 AT91FR4042
2648D–ATARM–03/04

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AT91FR4042 전자부품, 판매, 대치품
User Peripherals
AT91FR4042
The Power-saving (PS) module implements the Idle Mode (ARM7TDMI core clock
stopped until the next interrupt) and enables the user to adapt the power consumption of
the microcontroller to application requirements (independent peripheral clock control).
The Advanced Interrupt Controller (AIC) controls the internal interrupt sources from the
internal peripherals and the four external interrupt lines (including the FIQ) to provide an
interrupt and/or fast interrupt request to the ARM7TDMI. It integrates an 8-level priority
controller, and, using the Auto-vectoring feature, reduces the interrupt latency time.
The Parallel Input/Output Controller (PIO) controls up to 32 I/O lines. It enables the user
to select specific pins for on-chip peripheral input/output functions, and general-purpose
input/output signal pins. The PIO controller can be programmed to detect an interrupt on
a signal change from each line.
The Watchdog (WD) can be used to prevent system lock-up if the software becomes
trapped in a deadlock.
The Special Function (SF) module integrates the Chip ID, the Reset Status and the Pro-
tect registers.
Two USARTs, independently configurable, enable communication at a high baud rate in
synchronous or asynchronous mode. The format includes start, stop and parity bits and
up to 8 data bits. Each USART also features a Timeout and a Time Guard register, facil-
itating the use of the two dedicated Peripheral Data Controller (PDC) channels.
The 3-channel, 16-bit Timer Counter (TC) is highly programmable and supports capture
or waveform modes. Each TC channel can be programmed to measure or generate dif-
ferent kinds of waves, and can detect and control two input/output signals. The TC has
also 3 external clock signals.
2648D–ATARM–03/04
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부품번호상세설명 및 기능제조사
AT91FR4042

AT91 ARM Thumb Microcontrollers

ATMEL Corporation
ATMEL Corporation
AT91FR4042-CI

AT91 ARM Thumb Microcontrollers

ATMEL Corporation
ATMEL Corporation

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