参数资料
型号: AT90LS8535-8MC
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: RESISTOR, FIXED, FILM, CH
中文描述: 8-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, QCC44
封装: 7 X 7 MM, 1 MM HEIGHT, 0.50 MM PITCH, MLFP-44
文件页数: 16/127页
文件大小: 2454K
代理商: AT90LS8535-8MC
16
AT90S/LS8535
1041H
11/01
Figure 20.
The Parallel Instruction Fetches and Instruction Executions
Figure 21 shows the internal timing concept for the register file. In a single clock cycle
an ALU operation using two register operands is executed and the result is stored back
to the destination register.
Figure 21.
Single Cycle ALU Operation
The internal data SRAM access is performed in two System Clock cycles as described
in Figure 22.
Figure 22.
On-chip Data SRAM Access Cycles
System Clock
1st Instruction Fetch
1st Instruction Execute
2nd Instruction Fetch
2nd Instruction Execute
3rd Instruction Fetch
3rd Instruction Execute
4th Instruction Fetch
T1
T2
T3
T4
System Clock
Total Execution Time
Register Operands Fetch
ALU Operation Execute
Result Write Back
T1
T2
T3
T4
System Clock
WR
RD
Data
Data
Address
Address
T1
T2
T3
T4
Prev. Address
R
W
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