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参数资料
| 型号： | ADUC7032BSTZ-88-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 65/120页 |
| 文件大小： | 0K |
| 描述： | IC MCU 96K FLASH DUAL 48LQFP |
| 标准包装： | 2,000 |
| 系列： | MicroConverter® ADuC7xxx |
| 核心处理器： | ARM7 |
| 芯体尺寸： | 16/32-位 |
| 速度： | 20.48MHz |
| 连通性： | LIN，SPI，UART/USART |
| 外围设备： | POR，PSM，温度传感器，WDT |
| 输入/输出数： | 9 |
| 程序存储器容量： | 96KB（48K x 16） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 1.5K x 32 |
| 电压 - 电源 (Vcc/Vdd)： | 3.5 V ~ 18 V |
| 数据转换器： | A/D 2x16b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 48-LQFP |
| 包装： | 带卷 (TR) |
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ADuC7032-8L
Rev. A | Page 49 of 120
ADC Filter Register
Name:
ADCFLT
Address:
0xFFFF0518
Default Value:
0x0007
Access:
Read/write
Function:
The ADC filter MMR is a 16-bit register that controls the speed and resolution of the on-chip ADCs.
Note:
If ADCFLT is modified, the current, voltage, and temperature ADCs are reset. An additional time of 60 μs per enabled ADC is
required before the first ADC result is available.
Table 40. ADCFLT MMR Bit Designations
Bit
Description
15
Chop Enable.
Set by user to enable system chopping of all active ADCs. When this bit is set, the ADC has very low offset errors and drift, but
the ADC output rate is reduced by a factor of 3 if AF = 0 (see Sinc3 decimation factor bits, Bit 6 to Bit 0). If AF
≠ 0, then the ADC
output update rate is the same with chop on or off. When chop is enabled, the settling time is two output periods.
14
Running Average.
Set by user to enable a running average-by-2 function, reducing ADC noise. This function is automatically enabled when
chopping is active. It is an optional feature when chopping is inactive and, if enabled (when chopping is inactive), it does
not reduce ADC output rate but increases the settling time by one conversion period.
Cleared by user to disable the running average function.
13 to 8
Averaging Factor (AF). The value written to these bits is used to implement a programmable first-order Sinc3 post filter. The
averaging factor can further reduce ADC noise at the expense of output rate, as described in the Sinc3 decimation factor bits
(Bit 6 to Bit 0).
7
Sinc3 Modify.
Set by user to modify the standard Sinc3 frequency response to increase the filter stop-band rejection by 5 dB approximate.
This is achieved by inserting a second notch (NOTCH2) at
fNOTCH2 = 1.333 × fNOTCH where fNOTCH is the location of the first notch
in the response.
6 to 0
Sinc3 Decimation Factor (SF). The value (SF) written in these bits controls the oversampling (decimation factor) of the Sinc3
filter. The output rate from the Sinc3 filter is given by fADC = (512,000/([SF+1] × 64)) Hz when the chop bit (Bit 15) = 0 and AF = 0
1 This is valid for all SF values ≤ 125. For SF = 126, fADC is forced to 60 Hz. For SF = 127, fADC is forced to 50 Hz.
2 For information on calculating the fADC for SF (other than 126 and 127) and AF values, see Table 41.
Note that due to limitations on the digital filter internal datapath,
there are some limitations on the combinations of SF (Sinc3
decimation factor) and AF (averaging factor) that can be used
to generate a required ADC output rate. This restriction limits
the minimum ADC update to 4 Hz in normal power mode or
to 1 Hz in low power mode. If all three ADCs are enabled, then
the minimum value of SF written by user code must be 1.
In low power mode and low power plus mode, the ADC is driven
directly by the low power oscillator, or 131 kHz, and not 512 kHz.
All fADC calculations should be divided by 4 (approximate).
For optimal ADC performance, SF should be increased before
AF is used.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADUC7032BSTZ-8L | 制造商:Analog Devices 功能描述:FLASH 96K ARM7 TRIPLE 16-BIT ADC LIN IC. - Trays |
| ADUC7032BSTZ-8L-RL | 制造商:Analog Devices 功能描述:FLASH 96K ARM7 TRIPLE 16-BIT ADC LIN IC. - Tape and Reel |
| ADUC7032BSTZ-8V | 制造商:Analog Devices 功能描述: 制造商:Rochester Electronics LLC 功能描述: |
| ADUC7032BSTZ-8V-RL | 功能描述:IC BATTERY SENSOR PREC 48-LQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC7xxx 标准包装:1,500 系列:AVR® ATtiny 核心处理器:AVR 芯体尺寸:8-位 速度:16MHz 连通性:I²C，LIN，SPI，UART/USART，USI 外围设备:欠压检测/复位，POR，PWM，温度传感器，WDT 输入/输出数:16 程序存储器容量:8KB（4K x 16） 程序存储器类型:闪存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 5.5 V 数据转换器:A/D 11x10b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:带卷 (TR) |
| ADUC7033 | 制造商:AD 制造商全称:Analog Devices 功能描述:Integrated Precision Battery Sensor For Automotive |
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