參數(shù)資料
型號: AT89C51CC02CA-TISUM
廠商: Atmel
文件頁數(shù): 32/159頁
文件大?。?/td> 0K
描述: IC 8051 MCU 16K FLASH 28-SOIC
產品培訓模塊: MCU Product Line Introduction
標準包裝: 972
系列: AT89C CAN
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: CAN,UART/USART
外圍設備: POR,PWM,WDT
輸入/輸出數(shù): 20
程序存儲器容量: 16KB(16K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
數(shù)據(jù)轉換器: A/D 8x10b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
包裝: 管件
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
127
AT/T89C51CC02
4126L–CAN–01/08
Figure 52. ADC Description
Figure 53 shows the timing diagram of a complete conversion. For simplicity, the figure
depicts the waveforms in idealized form and do not provide precise timing information.
For ADC characteristics and timing parameters refer to the section “AC Characteristics”
of this datasheet.
Figure 53. Timing Diagram
Note:
Tsetup min, see the AC Parameter for A/D conversion.
Tconv = 11 clock ADC = 1sample and hold + 10-bit conversion
The user must ensure that Tsetup time between setting ADEN and the start of the first conversion.
ADC Converter
Operation
A start of single A/D conversion is triggered by setting bit ADSST (ADCON.3).
After completion of the A/D conversion, the ADSST bit is cleared by hardware.
The end-of-conversion flag ADEOC (ADCON.4) is set when the value of conversion is
available in ADDH and ADDL, it must be cleared by software. If the bit EADC (IEN1.1) is
set, an interrupt occur when flag ADEOC is set (See Figure 55). Clear this flag for re-
arming the interrupt.
Note:
Always leave Tsetup time before starting a conversion unless ADEN is permanently
high. In this case one should wait Tsetup only before the first conversion
Rai
AN0/P1.0
AN1/P1.1
AN2/P1.2
AN3/P1.3
AN4/P1.4
AN5/P1.5
AN6/P1.6
AN7/P1.7
000
001
010
011
100
101
110
111
SCH2
ADCON.2
SCH0
ADCON.0
SCH1
ADCON.1
ADC
CLOCK
ADEN
ADCON.5
ADSST
ADCON.3
ADEOC
ADCON.4
ADC
Interrupt
Request
EADC
IEN1.1
CONTROL
AVSS
Sample and Hold
ADDH
VAREF
R/2R DAC
VAGND
8
10
+
-
ADDL
2
SAR
ADCIN
Cai
ADEN
ADSST
ADEOC
T
SETUP
T
CONV
CLK
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AT89C51CC02UA-SISUM 功能描述:8位微控制器 -MCU CTRL Bootloader UART 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
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AT89C51CC02UA-TISUM 功能描述:8位微控制器 -MCU CTRL Boodloader UART 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