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参数资料
| 型号： | S80C196EA |
| 厂商： | INTEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MICROCONTROLLER, PQFP16 |
| 封装： | QFP-160 |
| 文件页数： | 20/32页 |
| 文件大小： | 869K |
| 代理商： | S80C196EA |
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Preliminary Datasheet
23
80C196EA -
Commercial
6.7
A/D Sample and Conversion Times
Two parameters, sample time and conversion time, control the time required for an A/D
conversion. The sample time is the length of time that the analog input voltage is actually
connected to the sample capacitor. If this time is too short, the sample capacitor will not charge
completely. If the sample time is too long, the input voltage may change and cause conversion
errors. The conversion time is the length of time required to convert the analog input voltage stored
on the sample capacitor to a digital value. The conversion time must be long enough for the
comparator and circuitry to settle and resolve the voltage. Excessively long conversion times allow
the sample capacitor to discharge, degrading accuracy.
The AD_TIME register programs the A/D sample and conversion times. Use the TSAM and TCONV
otherwise, erroneous conversion results may occur.
When the SAM and CONV values are known, write them to the AD_TIME register. Do not write
to this register while a conversion is in progress; the results are unpredictable.
Use the following formulas to determine the SAM and CONV values.
where:
At 40 Mhz, to meet T
SAM and TCONV minimum specifications:
10-bit mode:
8-bit mode:
SAM
T
SAM
f
2
–
×
8
-------------------------------
=
CONV
T
CO NV
f
×
3
–
2
B
×
----------------------------------
1
–
=
SAM
equals a number, 1 to 7
CONV
equals a number, 2 to 31
T
SAM
is the sample time, in
T
CONV
is the conversion time, in
f
is the operating frequency, in MHz
B
is the number of bits to be converted (8 or 10)
SAM
5 6 7
,,
[]
=
T
SAM
1
s
≥
CONV
18 19 20
… 31
,,,,
[]
=
T
CONV
10
s
≥
SAM
5 6 7
,,
[]
=
T
SAM
1
s
≥
CONV
23 24
… 31
,,,
[]
=
T
CONV
10
s
≥
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S80C196KB | 制造商:INTEL 制造商全称:Intel Corporation 功能描述:COMMERCIAL/EXPRESS CHMOS MICROCONTROLLER |
| S80C196KB WAF | 制造商:Intel 功能描述: |
| S80C196KB16 | 功能描述:IC MPU 16-BIT 5V 16MHZ 80-QFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:80C 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C，IrDA，LIN，SPI，UART/USART 外围设备:DMA，PDR，POR，PVD，PWM，温度传感器，WDT 输入/输出数:26 程序存储器容量:64KB（64K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN，36-VFQFPN 包装:托盘 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名称:497-9032STM32F101T8U6-ND |
| S80C196KC | 制造商:INTEL 制造商全称:Intel Corporation 功能描述:COMMERCIAL/EXPRESS CHMOS MICROCONTROLLER |
| S80C196KC-16 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:16-Bit Microcontroller |
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