參數(shù)資料
型號: AT90LS8535-4AI
廠商: Atmel
文件頁數(shù): 54/127頁
文件大?。?/td> 0K
描述: IC MCU 8K 4MHZ A/D LV IT 44TQFP
標準包裝: 160
系列: AVR® 90LS
核心處理器: AVR
芯體尺寸: 8-位
速度: 4MHz
連通性: SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 8KB(4K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 512 x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 6 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: 44-TQFP
包裝: 托盤
32
AT90S/LS8535
1041H–11/01
Timer/Counters
The AT90S8535 provides three general-purpose Timer/Counters – two 8-bit T/Cs and
one 16-bit T/C. Timer/Counter2 can optionally be asynchronously clocked from an exter-
nal oscillator. This oscillator is optimized for use with a 32.768 kHz watch crystal,
enabling use of Timer/Counter2 as a Real-time Clock (RTC). Timer/Counters 0 and 1
have individual prescaling selection from the same 10-bit prescaling timer.
Timer/Counter2 has its own prescaler. These Timer/Counters can either be used as a
timer with an internal clock time base or as a counter with an external pin connection
that triggers the counting.
Timer/Counter
Prescalers
Figure 28. Prescaler for Timer/Counter0 and 1
For Timer/Counters 0 and 1, the four different prescaled selections are: CK/8, CK/64,
CK/256 and CK/1024, where CK is the oscillator clock. For the two Timer/Counters 0
and 1, CK, external source and stop can also be selected as clock sources.
Figure 29. Timer/Counter2 Prescaler
TCK1
TCK0
10-BIT T/C PRESCALER
TIMER/COUNTER2 CLOCK SOURCE
TCK2
CK
PCK2
TOSC1
AS2
CS20
CS21
CS22
PCK2/8
PCK2/64
PCK2/128
PCK2/1024
PCK2/256
PCK2/32
0
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AT90LS8535-4PC 功能描述:8位微控制器 -MCU 8k bit 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