參數(shù)資料
型號(hào)： AT90S8515-8AC
廠商： Atmel
文件頁(yè)數(shù)： 68/112頁(yè)
文件大?。?/td> 0K
描述： IC MCU 8K FLSH 8MHZ 44TQFP
標(biāo)準(zhǔn)包裝： 160
系列： AVR® 90S
核心處理器： AVR
芯體尺寸： 8-位
速度： 8MHz
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)： 32
程序存儲(chǔ)器容量： 8KB（4K x 16）
程序存儲(chǔ)器類型： 閃存
EEPROM 大小： 512 x 8
RAM 容量： 512 x 8
電壓 - 電源 (Vcc/Vdd)： 4 V ~ 6 V
振蕩器型： 內(nèi)部
工作溫度： 0°C ~ 70°C
封裝/外殼： 44-TQFP
包裝： 托盤
59
AT90S8515
0841G–09/01
Analog Comparator
The Analog Comparator compares the input values on the positive input PB2 (AIN0) and
negative input PB3 (AIN1). When the voltage on the positive input PB2 (AIN0) is higher
than the voltage on the negative input PB3 (AIN1), the Analog Comparator Output
(ACO) is set (one). The comparator’s output can be set to trigger the Timer/Counter1
Input Capture function. In addition, the comparator can trigger a separate interrupt,
exclusive to the Analog Comparator. The user can select interrupt triggering on compar-
ator output rise, fall or toggle. A block diagram of the comparator and its surrounding
logic is shown in Figure 41
Figure 41. Analog Comparator Block Diagram
Analog Comparator Control
and Status Register – ACSR
Bit 7 – ACD: Analog Comparator Disable
When this bit is set (one), the power to the Analog Comparator is switched off. This bit
can be set at any time to turn off the Analog Comparator. This will reduce power con-
sumption in active and idle mode. When changing the ACD bit, the Analog Comparator
interrupt must be disabled by clearing the ACIE bit in ACSR. Otherwise an interrupt can
occur when the bit is changed.
Bit 6 – Res: Reserved Bit
This bit is a reserved bit in the AT90S8515 and will always read as zero.
Bit 5 – ACO: Analog Comparator Output
ACO is directly connected to the comparator output.
Bit 4 – ACI: Analog Comparator Interrupt Flag
This bit is set (one) when a comparator output event triggers the interrupt mode defined
by ACI1 and ACI0. The Analog Comparator Interrupt routine is executed if the ACIE bit
is set (one) and the I-bit in SREG is set (one). ACI is cleared by hardware when execut-
ing the corresponding interrupt handling vector. Alternatively, ACI is cleared by writing a
logical “1” to the flag. Observe however, that if another bit in this register is modified
Bit
765
432
10
$08 ($28)
ACD
–
ACO
ACI
ACIE
ACIC
ACIS1
ACIS0
ACSR
Read/Write
R/W
R
R/W
Initial Value
0
N/A
0
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AT90S8515-8AI 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-Bit Microcontroller with 8K bytes In-System Programmable Flash
AT90S8515-8JC 功能描述:8位微控制器 -MCU 8K Flash 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
AT90S8515-8JI 功能描述:8位微控制器 -MCU 8K Flash 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
AT90S8515-8PC 功能描述:8位微控制器 -MCU 8K Flash 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
AT90S8515-8PI 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 8K Bytes In-System Programmable Flash
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