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NUC130-LC2C Datasheet(Fiches technique) 64 Page - Nuvoton Technology Corporation

Numéro de pièce NUC130-LC2C
Description  NuMicro
Télécharger  97 Pages
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Fabricant  NUVOTON [Nuvoton Technology Corporation]
Site Internet  http://www.nuvoton.com
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NUC130-LC2C Datasheet(HTML) 64 Page - Nuvoton Technology Corporation

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NuMicro NUC230/240 Datasheet
Dec. 30, 2014
Page 64 of 97
Revision 1.01
6.5
External Bus Interface (EBI)
6.5.1
Overview
The NuMicro
 NUC100 series LQFP-64 and LQFP-100 package equips an external bus interface
(EBI) for access external device.
To save the connections between external device and this chip, EBI supports address bus and
data bus multiplex mode. And, address latch enable (ALE) signal is used to differentiate the
address and data cycle.
6.5.2
Features
External Bus Interface has the following functions:
Supports external devices with max. 64 KB size (8-bit data width)/128 KB (16-bit data
width)
Supports variable external bus base clock (MCLK) which based on HCLK
Supports 8-bit or 16-bit data width
Supports variable data access time (tACC), address latch enable time (tALE) and
address hold time (tAHD)
Supports address bus and data bus multiplex mode to save the address pins
Supports configurable idle cycle for different access condition: Write command finish
(W2X), Read-to-Read (R2R)


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