參數(shù)資料
型號(hào): PSD4256G6V-10UIT
廠商: 意法半導(dǎo)體
英文描述: Flash In-System Programmable ISP Peripherals for 16-bit MCUs
中文描述: Flash在系統(tǒng)可編程ISP的周邊的16位微控制器
文件頁(yè)數(shù): 48/100頁(yè)
文件大?。?/td> 759K
代理商: PSD4256G6V-10UIT
PSD4256G6V
48/100
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
PSD Interface to a Multiplexed Bus
Figure 19 shows an example of a system using an
MCU with a multiplexed bus and a PSD4256G6V.
The ADIO port on the PSD is connected directly to
the MCU address/data bus. Address Strobe (ALE/
AS, PD0) latches the address signals internally.
Latched addresses can be brought out to Port E, F
or G. The PSD drives the ADIO data bus only
when one of its internal resources is accessed and
READ Strobe (RD, CNTL1) is active. Should the
system address bus exceed sixteen bits, Ports A,
B, C, or F may be used as additional address in-
puts.
Figure 19. An Example of a Typical Multiplexed Bus Interface
Note: 1. AD[15:8] is for 16-bit MCU
MCU
WR
RD
BHE
ALE
RESET
AD[7:0]
AD[15:8]1
A[15:8]
(OPTIONAL)
A[7:0]
ADIO
PORT
PORT
F
PORT
G
PORT
A
WR (CNTRL0)
RD(CNTRL1)
BHE(CNTRL2)
RST
ALE(PD0)
PORT D
(OPTIONAL)
PSD
AI04928B
A[23:16]
(OPTIONAL)
or A[15:8]
相關(guān)PDF資料
PDF描述
PSD4256G6V-10UT Flash In-System Programmable ISP Peripherals for 16-bit MCUs
PSD4256G6V-12UIT Flash In-System Programmable ISP Peripherals for 16-bit MCUs
PSD4256G6V-12UT Flash In-System Programmable ISP Peripherals for 16-bit MCUs
PSD4256G6V-90UIT Flash In-System Programmable ISP Peripherals for 16-bit MCUs
PSD4256G6V-90UT Flash In-System Programmable ISP Peripherals for 16-bit MCUs
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