參數(shù)資料
型號(hào): DS89C430-ENL+
廠商: Maxim Integrated Products
文件頁數(shù): 29/46頁
文件大?。?/td> 0K
描述: IC MCU FLASH 16KB 33MHZ 44-TQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 160
系列: 89C
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
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)器容量: 16KB(16K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 托盤
DS89C430/DS89C450 Ultra-High-Speed Flash Microcontrollers
35 of 46
Figure 13. Page Mode 1, External Data Memory Access
(PAGES = 01, Stretch = 4, CD = 10)
ALE
PSEN
Port 0
Port 2
ALE
PSEN
Port 0
Port 2
RD
/WR
XTAL1
Inst
Inst Inst
Inst
MSB
LSB LSB
LSB
LSB LSB
Inst
Data
Memory Access (Stretch = 4)
MOVX Instruction (Page miss)
1st
Cycle
2nd
Cycle
3rd
Cycle
4th
Cycle
9th
Cycle
MOVX
Instruction
Fetch
LSB LSB LSB
Inst Inst Inst
MOVX Instruction (Page hit)
Memory Access (Stretch = 4)
MOVX
Instruction
Fetch
1st
Cycle
2nd
Cycle
3rd
Cycle
4th
Cycle
5th
Cycle
9th
Cycle
LSB
Inst Inst Inst Inst
RD
/WR
Data
LSB
Interrupts
The DS89C430 provides 13 interrupt sources. All interrupts, with the exception of the power fail, are controlled by a
series combination of individual enable bits and a global enable (EA) in the interrupt-enable register (IE.7). Setting
EA to a logic 1 allows individual interrupts to be enabled. Setting EA to a logic 0 disables all interrupts regardless of
the individual interrupt-enable settings. The power-fail interrupt is controlled by its individual enable only.
The interrupt enables and priorities are functionally identical to those of the 80C52, except that the DS89C430
supports five levels of interrupt priorities instead of the original two.
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DS89C430-MNG+ 功能描述:8位微控制器 -MCU Ultra-High-Speed Flash MCU 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
DS89C430MNL 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Ultra-High-Speed Flash Microcontrollers
DS89C430-MNL 功能描述:8位微控制器 -MCU Ultra-High-Speed Flash MCU 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