參數(shù)資料
型號: NS7520B-1-I55
廠商: Digi International
文件頁數(shù): 4/68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)
System Bu s interface
8
NS 75 20 Da ta shee t
03 /2 00 6
DATA19
H3
I/O
4
DATA18
H4
I/O
4
DATA17
H1
I/O
4
DATA16
H2
I/O
4
DATA15
G4
I/O
4
DATA14
G1
I/O
4
DATA13
G3
I/O
4
DATA12
G2
I/O
4
DATA11
F4
I/O
4
DATA10
F2
I/O
4
DATA9
F3
I/O
4
DATA8
E1
I/O
4
DATA7
E2
I/O
4
DATA6
E3
I/O
4
DATA5
D1
I/O
4
DATA4
C1
I/O
4
DATA3
B1
I/O
4
DATA2
D4
I/O
4
DATA1
D3
I/O
4
DATA0
C2
I/O
4
BE3_
D9
I/O
2
Byte enable D31:D24
BE2_
A9
I/O
2
Byte enable D23:D16
BE1_
C9
I/O
2
Byte enable D15:D08
BE0_
B9
I/O
2
Byte enable D07:D00
TS_
A8
I/O
4
DO NOT USE
Add an external 820 ohm pullup to 3.3 V.
TA_
D8 U
I/O
4
Data transfer acknowledge
Add an external 820 ohm pullup to 3.3 V.
TA_ is bidirectional. It is used in input mode to
terminate a memory cycle externally. It is used in
output mode for reference purposes only.
TEA_
C8 U
I/O
4
Data transfer error acknowledge
Add an external 820 ohm pullup to 3.3 V.
TEA_ is bidirectional. It is used in input mode to
terminate a memory cycle externally. It is used in
output mode for reference purposes only.
Symbol
Pin
I/O
OD
Description
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