參數(shù)資料
型號： AT89C51ID2-SLRIM
廠商： Atmel
文件頁數(shù)： 80/157頁
文件大小： 0K
描述： IC MCU FLASH 8051 64K 5V 44-PLCC
標準包裝： 1
系列： 89C
核心處理器： 8051
芯體尺寸： 8-位
速度： 60MHz
連通性： I²C，SPI，UART/USART
外圍設(shè)備： POR，PWM，WDT
輸入/輸出數(shù)： 34
程序存儲器容量： 64KB（64K x 8）
程序存儲器類型： 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量： 2K x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 5.5 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-LCC（J 形引線）
包裝： 剪切帶 (CT)
其它名稱： AT89C51ID2SLRIMCT
29
AT89C51ID2
4289C–8051–11/05
useful if external peripherals are mapped at addresses already used by the internal
XRAM.
With EXTRAM = 0, the XRAM is indirectly addressed, using the MOVX instruction in
combination with any of the registers R0, R1 of the selected bank or DPTR. An
access to XRAM will not affect ports P0, P2, P3.6 (WR) and P3.7 (RD). For
example, with EXTRAM = 0, MOVX @R0, # data where R0 contains 0A0H,
accesses the XRAM at address 0A0H rather than external memory. An access to
external data memory locations higher than the accessible size of the XRAM will be
performed with the MOVX DPTR instructions in the same way as in the standard
80C51, with P0 and P2 as data/address busses, and P3.6 and P3.7 as write and
read timing signals. Accesses to XRAM above 0FFH can only be done by the use of
DPTR.
With EXTRAM = 1, MOVX @Ri and MOVX @DPTR will be similar to the standard
80C51.MOVX @ Ri will provide an eight-bit address multiplexed with data on Port0
and any output port pins can be used to output higher order address bits. This is to
provide the external paging capability. MOVX @DPTR will generate a sixteen-bit
address. Port2 outputs the high-order eight address bits (the contents of DPH) while
Port0 multiplexes the low-order eight address bits (DPL) with data. MOVX @ Ri and
MOVX @DPTR will generate either read or write signals on P3.6 (WR) and P3.7
(RD).
The stack pointer (SP) may be located anywhere in the 256 bytes RAM (lower and
upper RAM) internal data memory. The stack may not be located in the XRAM.
The M0 bit allows to stretch the XRAM timings; if M0 is set, the read and write pulses
are extended from 6 to 30 clock periods. This is useful to access external slow
peripherals.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT89C51ID2-SLRUM 功能描述:8位微控制器 -MCU C51ID2 64K FLASH TWI 32KHz 5V 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
AT89C51ID2-SLSIM 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Flash Microcontroller
AT89C51ID2-SLSUM 功能描述:8位微控制器 -MCU 64K FLASH 32KHz 3.5-5V Ind. 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
AT89C51ID2-SMSIM 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Flash Microcontroller
AT89C51ID2-UM 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Flash Microcontroller
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