參數(shù)資料
型號(hào)： MD80C52TXXX-20P883D
廠商： TEMIC SEMICONDUCTORS
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CDIP40
文件頁(yè)數(shù)： 19/109頁(yè)
文件大?。?/td> 10824K
代理商： MD80C52TXXX-20P883D
22
AT32UC3A
A local bus interface is provided for connecting the CPU to device-specific high-speed systems,
such as floating-point units and fast GPIO ports. This local bus has to be enabled by writing the
LOCEN bit in the CPUCR system register. The local bus is able to transfer data between the
CPU and the local bus slave in a single clock cycle. The local bus has a dedicated memory
range allocated to it, and data transfers are performed using regular load and store instructions.
Details on which devices that are mapped into the local bus space is given in the device-specific
“Peripherals” chapter of this data sheet.
Figure 9-1 on page 22 displays the contents of AVR32UC.
Figure 9-1.
Overview of the AVR32UC CPU
9.2.1
Pipeline Overview
AVR32 UC is a pipelined processor with three pipeline stages. There are three pipeline stages,
Instruction Fetch (IF), Instruction Decode (ID) and Instruction Execute (EX). The EX stage is
split into three parallel subsections, one arithmetic/logic (ALU) section, one multiply (MUL) sec-
tion and one load/store (LS) section.
Instructions are issued and complete in order. Certain operations require several clock cycles to
complete, and in this case, the instruction resides in the ID and EX stages for the required num-
ber of clock cycles. Since there is only three pipeline stages, no internal data forwarding is
required, and no data dependencies can arise in the pipeline.
Figure 9-2 on page 23 shows an overview of the AVR32 UC pipeline stages.
AVR32UC CPU pipeline
Instruction memory controller
High
Speed
Bus
master
MPU
Hi
gh
S
peed
Bus
Hi
gh
S
peed
Bus
OCD
system
O
CD
int
er
face
In
te
rr
up
tc
ont
ro
lle
ri
nte
rfa
ce
High
Speed
Bus slave
Hi
gh
S
peed
Bus
Data
R
A
M
in
te
rfa
ce
High Speed Bus master
Power/
Reset
control
R
ese
tint
erface
CPU Local
Bus
master
C
PU
Lo
ca
lBus
Data memory controller
32058K
AVR32-01/12
相關(guān)PDF資料
PDF描述
MQ80C32-20P883D 8-BIT, 20 MHz, MICROCONTROLLER, CQFP44
MD80C52CXXX-30SB 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CDIP40
MR80C52XXX-36/883R 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CQCC44
MD83C154XXX-16/883D 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CDIP40
MD83C154DTXXX-25/883 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CDIP40
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MD80C86 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MD80C862 制造商:Intel 功能描述:PROCESSOR:MICRO-PROCESSOR
MD80C86-2 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MD80C86-2/883 制造商:Intersil Corporation 功能描述:MPU 16BIT CMOS 8MHZ 40CDIP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:CPU 16BILT 5V CMOS 8MHZ 40CDIP - Bulk
MD80C86-2/B 制造商:Intersil Corporation 功能描述:MPU 16BIT CMOS 8MHZ 40CDIP - Rail/Tube
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*