Tie to V
參數(shù)資料
型號(hào): NS7520B-1-I55
廠商: Digi International
文件頁數(shù): 9/68頁
文件大?。?/td> 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(chǔ)器類型: 外部程序存儲(chǔ)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)
“ N o c onn ect” p i ns
ww w.d i gi .c om
13
“No connect” pins
General Purpose I/O
Pin
Description
R13
Tie to VCC
P12
Tie to VCC
N12
XTALB1: Tie to VCC
R15
XTALB2: NO CONNECT
M11
NO CONNECT
P11
NO CONNECT
N11
NO CONNECT
R12
NO CONNECT
R14
NO CONNECT
P13
NO CONNECT
GPIO signal
Serial
signal
Other
signal
Pin
I/O
OD
Serial channel
description
Other
description
PORTA7
TXDA
J14 U I/O
2
Channel 1 TXD
PORTA6
DTRA_
DREQ1_
J13 U I/O
2
Channel 1 DTR_
DMA channel 3/5
Req
PORTA5
RTSA_
J15 U I/O
2
Channel 1 RTS_
PORTA4
RXCA/RIA_/
OUT1A_
J12 U I/O
2
Pgm’able Out/
Channel 1
RXCLK/ Channel
1 ring signal/
Channel 1 SPI
clock (CLK)
PORTA3
RXDA
DACK1_
H15 U I/O
2
Channel 1 RXD
DMA channel 3/5
ACK
PORTA2
DSRA_
AMUX
H12 U I/O
2
Channel 1 DSR_
DRAM addr mux
PORTA1
CTSA_
DONE1_ (O)
H13 U I/O
2
Channel 1 CTS_
DMA channel 3/5
DONE_Out
PORTA0
TXCA/
OUT2A_/
DCDA_
DONE1_ (I)
G12 U I/O
2
Pgm’able Out/
Channel 1 DCD/
Channel 1 SPI
enable (SEL_)/
Channel 1 TXCLK
DMA channel 3/5
DONE_In
PORTC7
TXDB
G13 U I/O
2
Channel 2 TXD
GEN interrupt out
PORTC6
DTRB_
DREQ2_
G14 U I/O
2
Channel 2 DTR_
DMA Channel 4/6
Req
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