參數(shù)資料
型號(hào): AT90USB1287-AU
廠商: Atmel
文件頁(yè)數(shù): 45/106頁(yè)
文件大小: 0K
描述: IC AVR MCU 128K 64TQFP
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
megaAVR Introduction
標(biāo)準(zhǔn)包裝: 450
系列: AVR® 90USB
核心處理器: AVR
芯體尺寸: 8-位
速度: 16MHz
連通性: EBI/EMI,I²C,SPI,UART/USART,USB,USB OTG
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 48
程序存儲(chǔ)器容量: 128KB(128K x 8)
程序存儲(chǔ)器類型: 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量: 8K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-LQFP
包裝: 托盤
產(chǎn)品目錄頁(yè)面: 611 (CN2011-ZH PDF)
配用: ATSTK600-RC17-ND - STK600 ROUTING CARD AVR
ATSTK600-TQFP64-ND - STK600 SOCKET/ADAPTER 64-TQFP
ATSTK525-ND - KIT STARTER FOR AT90USB
AT90USBKEY2-ND - KIT DEMO FOR AT90USB
其它名稱: AT90USB1287-16AU
AT90USB1287-16AU-ND
43
7593L–AVR–09/12
AT90USB64/128
Figure 7-2.
Crystal oscillator connections.
The low power oscillator can operate in three different modes, each optimized for a specific fre-
quency range. The operating mode is selected by the fuses CKSEL3..1 as shown in Table 7-3.
Notes:
1. The frequency ranges are preliminary values. Actual values are TBD.
2. This option should not be used with crystals, only with ceramic resonators.
3. If 8MHz frequency exceeds the specification of the device (depends on V
CC), the CKDIV8
Fuse can be programmed in order to divide the internal frequency by 8. It must be ensured
that the resulting divided clock meets the frequency specification of the device.
The CKSEL0 Fuse together with the SUT1..0 fuses select the start-up times as shown in Table
Table 7-3.
Low power crystal oscillator operating modes (3).
Frequency range (1) [MHz]
CKSEL3..1
Recommended range for capacitors C1
and C2 [pF]
0.4 - 0.9
100 (2)
0.9 - 3.0
101
12 - 22
3.0 - 8.0
110
12 - 22
8.0 - 16.0
111
12 - 22
Table 7-4.
Start-up times for the low power crystal oscillator clock selection.
Oscillator source /
power conditions
Start-up time from
power-down and
power-save
Additional delay
from reset
(V
CC = 5.0V)
CKSEL0
SUT1..0
Ceramic resonator, fast
rising power
258CK
14CK + 4.1ms (1)
000
Ceramic resonator, slowly
rising power
258CK
14CK + 65ms (1)
001
Ceramic resonator, BOD
enabled
1KCK
14CK (2)
010
Ceramic resonator, fast
rising power
1KCK
14CK + 4.1ms (2)
011
Ceramic resonator, slowly
rising power
1KCK
14CK + 65ms (2)
100
XTAL2
XTAL1
GND
C2
C1
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AT90USB1287-AUR 功能描述:8位微控制器 -MCU USB 128K FLASH 16 MHz 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
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