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參數(shù)資料
| 型號： | MCF5407 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | ColdFire Integrated Microprocessor(ColdFire微處理器) |
| 中文描述： | 32-BIT, 162 MHz, RISC PROCESSOR, PQFP208 |
| 封裝： | PLASTIC, QFP-208 |
| 文件頁數(shù)： | 9/24頁 |
| 文件大?。?/td> | 296K |
| 代理商： | MCF5407 |
MCF5407 Integrated ColdFire¨ Microprocessor
9
ColdFire Module Description
Each UART module consists of the following major functional areas:
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￥
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Serial communication channel
16-bit timer for baud-rate generation
Internal channel control logic
Interrupt control logic
In addition, UART1 is enhanced to provide a CODEC interface for soft modem support. UART1 can be
programmed to function like UART0 or in one of three following modem modes:
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￥
￥
An 8-bit CODEC interface
A 16-bit CODEC interface
An audio CODEC 97 (AC97) digital interface controller
Each UART contains an on-chip baud-rate generator, which provides both standard and nonstandard baud
rates. Data formats can be 5, 6, 7, or 8 bits with even, odd, or no parity, and up to 2 stop bits in 1/16
increments. The UARTs include the following transmit and receive FIFO buffers:
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￥
UART0 has a 4-byte FIFO receive buffer and a 2-byte FIFO transmit buffer.
In UART1, the Tx and Rx FIFOs can hold the following:
32 1-byte samples when programmed as a UART or as an 8-bit CODEC interface
16 2-byte samples when programmed as a 16-bit CODEC interface
16 20-bit samples when programmed as a Digital AC 97 Controller
The UART modules also provide several error-detection and maskable-interrupt capabilities. Modem
support includes request-to-send (RTS) and clear-to-send (CTS) lines.
CLKIN provides the time base through a programmable prescaler. The UART time scale can also be sourced
from a timer input. Full-duplex, auto-echo loopback, local loopback, and remote loopback modes allow
testing of UART connections. The programmable UARTs can interrupt the CPU on various normal or error-
condition events.
1.3.6 Timer Module
The timer module includes two general-purpose timers, each of which contains a free-running 16-bit timer
for use in any of three modes. One mode captures the timer value with an external event. Another mode
triggers an external signal or interrupts the CPU when the timer reaches a set value, while a third mode
counts external events.
The timer unit has an 8-bit prescaler that allows programming of the clock input frequency, which is derived
from the system bus cycle or an external clock input pin (TIN). The programmable timer-output pin
generates either an active-low pulse or toggles the output.
1.3.7 I
2
C Module
The I
2
C interface is a two-wire, bidirectional serial bus used for quick data exchanges between devices. The
I
2
C minimizes the interconnection between devices in the end system and is best suited for applications that
need occasional bursts of rapid communication over short distances among several devices. The I
2
C can
operate in master, slave or multiple-master modes.
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| MCF5407CAI220 | 功能描述:微處理器 - MPU MCF5407 V4CORE 4KSRAM RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
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