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參數(shù)資料
| 型號： | AT91M42800A-33AI SL383 |
| 廠商： | Atmel |
| 文件頁數(shù)： | 10/27頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ARM MCU 16BIT 144TQFP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | AT91 |
| 核心處理器： | ARM7 |
| 芯體尺寸： | 16/32-位 |
| 速度： | 33MHz |
| 連通性： | EBI/EMI，SPI，UART/USART |
| 外圍設(shè)備： | WDT |
| 輸入/輸出數(shù)： | 54 |
| 程序存儲器類型： | ROMless |
| RAM 容量： | 8K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.7 V ~ 3.6 V |
| 振蕩器型： | 外部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 144-LQFP |
| 包裝： | 帶卷 (TR) |
| 配用： | AT91EB42-ND - KIT EVAL FOR ARM AT91M42800A |
| 其它名稱： | AT91M42800A33AISL |
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18
1779ES–ATARM–14-Apr-06
AT91M42800A
The interrupt controller is connected to the NFIQ (fast interrupt request) and the NIRQ (standard
interrupt request) inputs of the ARM7TDMI processor. The processor’s NFIQ line can only be
asserted by the external fast interrupt request input: FIQ. The NIRQ line can be asserted by the
interrupts generated by the on-chip peripherals and the external interrupt request lines: IRQ0 to
IRQ3.
The 8-level priority encoder allows the customer to define the priority between the different NIRQ
interrupt sources.
Internal sources are programmed to be level sensitive or edge triggered. External sources can
be programmed to be positive or negative edge triggered or high- or low-level sensitive.
8.4.4
PIO: Parallel I/O Controller
The AT91M42800A has 54 programmable I/O lines. I/O lines are multiplexed with an external
signal of a peripheral to optimize the use of available package pins. These lines are controlled
by two separate and identical PIO Controllers called PIOA and PIOB. Each PIO controller also
provides an internal interrupt signal to the Advanced Interrupt Controller and insertion of a sim-
ple input glitch filter on any of the PIO pins.
8.4.5
SF: Special Function
The AT91M42800A provides registers that implement the following special functions.
Chip Identification
RESET Status
8.5
User Peripherals
8.5.1
USART: Universal Synchronous/Asynchronous Receiver Transmitter
The AT91M42800A provides two identical, full-duplex, universal synchronous/asynchronous
receiver/transmitters that interface to the APB and are connected to the Peripheral Data
Controller.
The main features are:
Programmable Baud Rate Generator with External or Internal Clock, as well as Slow Clock
Parity, Framing and Overrun Error Detection
Line Break Generation and Detection
Automatic Echo, Local Loopback and Remote Loopback channel modes
Multi-drop mode: Address Detection and Generation
Interrupt Generation
Two Dedicated Peripheral Data Controller channels
5-, 6-, 7-, 8- and 9-bit character length
8.5.2
TC: Timer/Counter
The AT91M42800A features two Timer/Counter blocks, each containing three identical 16-bit
Timer/Counter channels. Each channel can be independently programmed to perform a wide
range of functions including frequency measurement, event counting, interval measurement,
pulse generation, delay timing and pulse-width modulation.
Each Timer/Counter (TC) channel has 3 external clock inputs, 5 internal clock inputs, and 2
multi-purpose input/output signals that can be configured by the user. Each channel drives an
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| AT91M42800A-33AI-T | 功能描述:IC MCU 32BIT ROMLESS 144LQFP 制造商:microchip technology 系列:AT91 包裝:帶卷（TR） 零件狀態(tài):停產(chǎn) 核心處理器:ARM7? 核心尺寸:16/32-位 速度:33MHz 連接性:EBI/EMI，SPI，UART/USART 外設(shè):WDT I/O 數(shù):54 程序存儲容量:- 程序存儲器類型:ROMless EEPROM 容量:- RAM 容量:8K x 8 電壓 - 電源（Vcc/Vdd）:2.7 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器類型:外部 工作溫度:-40°C ~ 85°C（TA） 封裝/外殼:144-LQFP 供應(yīng)商器件封裝:144-LQFP（20x20） 基本零件編號:AT91M42800 標(biāo)準(zhǔn)包裝:1,000 |
| AT91M42800A-33AU | 功能描述:ARM微控制器 - MCU 8kB SRAM 33MHz - PWM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| AT91M42800A-33AU-999 | 功能描述:ARM微控制器 - MCU Ind. Temp Green RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| AT91M42800A-33CI | 功能描述:IC ARM7 MCU 144 BGA RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:AT91 標(biāo)準(zhǔn)包裝:9 系列:87C 核心處理器:8051 芯體尺寸:8-位 速度:40/20MHz 連通性:UART/USART 外圍設(shè)備:POR，WDT 輸入/輸出數(shù):32 程序存儲器容量:32KB（32K x 8） 程序存儲器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:0°C ~ 70°C 封裝/外殼:40-DIP（0.600"，15.24mm） 包裝:管件 |
| AT91M42800A-33CI SL383 | 功能描述:IC ARM MCU 16BIT 144BGA RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:AT91 標(biāo)準(zhǔn)包裝:1,500 系列:AVR® ATtiny 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，LIN，SPI，UART/USART，USI 外圍設(shè)備:欠壓檢測/復(fù)位，POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):16 程序存儲器容量:8KB（4K x 16） 程序存儲器類型:閃存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:帶卷 (TR) |
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