參數(shù)資料
型號(hào): AT89LP216-20SU
廠商: Atmel
文件頁(yè)數(shù): 4/98頁(yè)
文件大?。?/td> 0K
描述: MCU 8051 2K FLASH 20MHZ 16-SOIC
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
標(biāo)準(zhǔn)包裝: 46
系列: 89LP
核心處理器: 8051
芯體尺寸: 8-位
速度: 20MHz
連通性: SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 14
程序存儲(chǔ)器容量: 2KB(2K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2.4 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
包裝: 管件
12
3621E–MICRO–11/10
AT89LP216
9.2
External Clock Source
The external clock option disables the oscillator amplifier and allows XTAL1 to be driven directly
by the clock source as shown in Figure 9-2. XTAL2 may be left unconnected, used as P3.3 I/O,
or configured to output a divided version of the system clock.
Figure 9-2.
External Clock Drive Configuration
9.3
Internal RC Oscillator
The AT89LP216 has an internal RC oscillator tuned to 8.0 MHz ±1.0% at 5.0V and 25
C. When
enabled as the clock source, XTAL1 and XTAL2 may be used as P3.2 and P3.3, respectively.
The XTAL2 may also be configured to output a divided version of the system clock. The fre-
quency of the oscillator may be adjusted by changing the RC Adjust Fuses. (See “User
Configuration Fuses” on page 71.) A copy of the initial factory setting is stored at location 0007h
of the Atmel Signature.
9.4
System Clock Out
When the AT89LP216 is configured to use either an external clock or the internal RC oscillator,
a divided version of the system clock may be output on XTAL2 (P3.3). The Clock Out feature is
enabled by setting the COE bit in CLKREG. The two CDV bits determine the clock divide ratio.
For example, setting COE = “1” and CDIV = “00” when using the internal oscillator will result in a
4.0 MHz clock output on P3.3. P3.3 must be configured as an output in order to use the clock out
feature.
XTAL2 (P3.3)
XTAL1 (P3.2)
GND
NC, GPIO, or
CLKOUT
EXTERNAL
OSCILLATOR
SIGNAL
相關(guān)PDF資料
PDF描述
AT89LP4052-20SU IC 8051 MCU FLASH 4K 20SOIC
AT89LP428-20AU MCU 8051 4K FLASH SPI 32TQFP
AT89LP52-20MU IC MCU 8051 8K FLASH SPI 44VQFN
AT89LP6440-20JU MCU 8051 64K FLASH ISP 44PLCC
AT89LP828-JU IC MCU 8051 8KB FLASH 32PLCC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT89LP216-20XU 功能描述:8位微控制器 -MCU SINGLE CYCLE 2K ISP FLASH 2.4-5.5V 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(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
AT89LP3240-20AU 功能描述:8位微控制器 -MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL 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
AT89LP3240-20JU 功能描述:8位微控制器 -MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL 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
AT89LP3240-20MU 功能描述:8位微控制器 -MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL 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
AT89LP3240-20PU 功能描述:8位微控制器 -MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL 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