參數(shù)資料
型號(hào): DS80C323-QCD
廠商: Maxim Integrated Products
文件頁數(shù): 3/38頁
文件大?。?/td> 0K
描述: IC MCU HI SPEED 18MHZ 44-PLCC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 26
系列: 80C
核心處理器: 8051
芯體尺寸: 8-位
速度: 18MHz
連通性: EBI/EMI,SIO,UART/USART
外圍設(shè)備: 電源故障復(fù)位,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器類型: ROMless
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
DS80C320/DS80C323 High-Speed/Low-Power Microcontrollers
11 of 38
Table 1 shows the speed for each class of instruction. Note that many of the instructions have multiple op
codes. There are 255 op codes for 111 instructions. Of the 255 op codes, 159 are three times faster than
the original 80C32. While a system that emphasizes those instructions will see the most improvement, the
large total number that receive a 3 to 1 improvement assure a dramatic speed increase for any system. The
speed improvement summary is provided below.
SPEED ADVANTAGE SUMMARY
#OP CODES
SPEED
IMPROVEMENT
159
3.0 x
51
1.5 x
43
2.0 x
2
2.4 x
255
Average: 2.5
MEMORY ACCESS
The DS80C320/DS80C323 do not contain on-chip ROM and 256 bytes of scratchpad RAM. Off-chip
memory is accessed using the multiplexed address/data bus on P0 and the MSB address on P2. Figure 3
shows a typical memory connection. Timing diagrams are provided in the Electrical Specifications
section. Program memory (ROM) is accessed at a fixed rate determined by the crystal frequency and the
actual instructions. As previously mentioned, an instruction cycle requires 4 clocks. Data memory (RAM)
is accessed according to a variable-speed MOVX instruction as described below.
Figure 3. Typical Memory Connection
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS80C323-QCD/T&R 制造商:Maxim Integrated Products 功能描述:MICRO HI SPD 3V 44PLCC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MCU HI SPEED 18MHZ 44-PLCC 制造商:Maxim Integrated Products 功能描述:8-bit Microcontrollers - MCU High-Speed Low-Power
DS80C323-QCD/T&R 功能描述:8位微控制器 -MCU High-Speed Low-Power RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
DS80C323-QCD+ 功能描述:8位微控制器 -MCU High-Speed Low-Power RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
DS80C323-QCD+T&R 制造商:Maxim Integrated Products 功能描述:MCU 8BIT CISC ROMLESS 3V 44PLCC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MCU HI SPEED 18MHZ 44-PLCC 制造商:Maxim Integrated Products 功能描述:8-bit Microcontrollers - MCU High-Speed Low-Power
DS80C323-QCD+T&R 功能描述:8位微控制器 -MCU High-Speed Low-Power RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT