參數資料
型號: AT90USB1287
廠商: Atmel Corp.
英文描述: 8-bit Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
中文描述: 8位64/128K的ISP字節(jié)閃存和控制器的USB微控制器
文件頁數: 62/132頁
文件大?。?/td> 10886K
代理商: AT90USB1287
267
8151H–AVR–02/11
ATmega128A
HOLD
Input
Sample & Hold signal.
Sample analog signal
when low. Hold signal
when high. If gain stages
are used, this signal
must go active when
ACLK is high.
11
IREFEN
Input
Enables Band-gap
reference as AREF
signal to DAC
00
MUXEN_7
Input
Input Mux bit 7
0
MUXEN_6
Input
Input Mux bit 6
0
MUXEN_5
Input
Input Mux bit 5
0
MUXEN_4
Input
Input Mux bit 4
0
MUXEN_3
Input
Input Mux bit 3
0
MUXEN_2
Input
Input Mux bit 2
0
MUXEN_1
Input
Input Mux bit 1
0
MUXEN_0
Input
Input Mux bit 0
1
NEGSEL_2
Input
Input Mux for negative
input for differential
signal, bit 2
00
NEGSEL_1
Input
Input Mux for negative
input for differential
signal, bit 1
00
NEGSEL_0
Input
Input Mux for negative
input for differential
signal, bit 0
00
PASSEN
Input
Enable pass-gate of gain
stages.
11
PRECH
Input
Precharge output latch of
comparator. (Active low)
11
SCTEST
Input
Switch-cap TEST
enable. Output from x10
gain stage send out to
Port Pin having ADC_4
00
ST
Input
Output of gain stages will
settle faster if this signal
is high first two ACLK
periods after AMPEN
goes high.
00
VCCREN
Input
Selects Vcc as the ACC
reference voltage.
00
Table 24-5.
Boundary-scan Signals for the ADC (Continued)
Signal
Name
Direction
as Seen
from the
ADC
Description
Recommen-
ded Input
when not
in Use
Output Values when
Recommended Inputs
are Used, and CPU is
not Using the ADC
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相關代理商/技術參數
參數描述
AT90USB1287-16AU 功能描述:8位微控制器 -MCU 128kB Flash 4kB EEPROM 48 I/O Pins RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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
AT90USB1287-16AUR 功能描述:8位微控制器 -MCU 128K Flash RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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
AT90USB1287-16ME 制造商:Atmel Corporation 功能描述:
AT90USB1287-16MU 功能描述:8位微控制器 -MCU 128kB Flash 4kB EEPROM 48 I/O Pins RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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
AT90USB1287-64QFN 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:AT90USB1287 (AVR) 64 QFN device (2.7V VCC 5.5V)