參數(shù)資料
型號: NS7520B-1-I55
廠商: Digi International
文件頁數(shù): 18/68頁
文件大小: 0K
描述: IC ARM MICROPROCESSOR 177BGA
標(biāo)準(zhǔn)包裝: 160
系列: NET+ARM®
應(yīng)用: 網(wǎng)絡(luò)處理器
核心處理器: ARM7
程序存儲器類型: 外部程序存儲器
RAM 容量: 外部
接口: EBI/EMI,以太網(wǎng),DMA,SPI,UART
輸入/輸出數(shù): 16
電源電壓: 1.4 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 177-LFBGA
包裝: 托盤
供應(yīng)商設(shè)備封裝: 177-BGA(13x13)
Serial controller
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Serial controller
The NS7520 supports two independent universal asynchronous/synchronous receiver/transmitter
channels. Each channel supports these features:
Independent programmable bit-rate generator
UART and SPI (master) modes
High-speed data transfer:
x1 mode: 4Mbits/sec
x16 mode: 230 Kbits/sec
32–byte TX FIFO
32–byte RX FIFO
Programmable data format: 5–8 data bits; odd, even, or no parity; 1, 2 stop bits
Programmable channel modes: normal, local loopback, remote loopback
Control signal support
Maskable interrupt conditions:
Receive break detection
Receive framing error
Receive parity error
Receive overrun error
Receive FIFO ready
Receive FIFO half-full
Transmit FIFO ready
Transmit FIFO half-empty
CTS, DSR, DCD, RI state change detection
Clock/data encoding: NRZ, NRZB, NRZI, FM, Manchester
Multi-drop capable
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