参数资料
型号: PSD8133V12JT
厂商: 意法半导体
英文描述: Flash In-System Programmable ISP Peripherals For 8-bit MCUs
中文描述: Flash在系统可编程ISP的外设的8位微控制器
文件页数: 45/110页
文件大小: 1685K
代理商: PSD8133V12JT
45/110
PSD813F1
PSD Interface to a Multiplexed 8-Bit Bus
Figure
21
shows an example of a system using a
MCU with an 8-bit multiplexed bus and a PSD. 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 A or
B. 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
D may be used as additional address inputs.
Figure 21. An Example of a Typical 8-bit Multiplexed Bus Interface
MCU
WR
RD
BHE
ALE
RESET
AD[7:0]
A[15:8]
A[15:8]
(OPTIONAL)
A[7:0]
ADIO
PORT
PORT
A
PORT
B
PORT
C
WR (CNTRL0)
RD (CNTRL1)
BHE (CNTRL2)
RST
ALE (PD0)
PORT D
(OPTIONAL)
PSD
AI02878C
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PSD8133V12MIT Flash In-System Programmable ISP Peripherals For 8-bit MCUs
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PSD8134V12MT LED Lamp; Color:Red/Green; Luminous Intensity (MSCP):4.7/10ucd; LED Color:Red/Green; Leaded Process Compatible:No; Lens Style:(L x W x H) 10.73 x 4.32 x 9.65 mm; Lens Width:3; Mounting Type:Through Hole
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