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参数资料
| 型号： | ADUC7061BCPZ32-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 51/108页 |
| 文件大小： | 0K |
| 描述： | IC MCU 16/32BIT 32KB 32LFCSP |
| 产品变化通告： | ADuC7060/1 Idd Specification Change 01/Feb/2010 |
| 设计资源： | USB Based Temperature Monitor Using ADuC7061 and an External RTD (CN0075) 4 mA-to-20 mA Loop-Powered Temperature Monitor Using ADuC7060/1 (CN0145) |
| 标准包装： | 5,000 |
| 系列： | MicroConverter® ADuC7xxx |
| 核心处理器： | ARM7 |
| 芯体尺寸： | 16/32-位 |
| 速度： | 10MHz |
| 连通性： | I²C，SPI，UART/USART |
| 外围设备： | POR，PWM，温度传感器，WDT |
| 输入/输出数： | 8 |
| 程序存储器容量： | 32KB（16K x 16） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 1K x 32 |
| 电压 - 电源 (Vcc/Vdd)： | 2.375 V ~ 2.625 V |
| 数据转换器： | A/D 5x24b，8x24b，D/A 1x14b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 32-VFQFN 裸露焊盘，CSP |
| 包装： | 带卷 (TR) |
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Data Sheet
ADuC7060/ADuC7061
Rev. D | Page 47 of 108
Bit
Name
Description
6:4
ADC1REF[2:0]
Auxiliary channel ADC reference select.
[000] = internal reference selected. In ADC low power mode, the voltage reference selection is controlled by
ADCMODE[5].
[001] = external reference inputs (VREF+, VREF) selected. Set the HIGHEXTREF1 bit if reference voltage
exceeds 1.3 V.
[010] = auxiliary external reference inputs (ADC4/EXT_REF2IN+, ADC5/EXT_REF2IN) selected. Set the
HIGHEXTREF1 bit if reference voltage exceeds 1.35 V.
[011] = (AVDD, AGND) divide-by-2 selected. If this configuration is selected, the HIGHEXTREF1 bit is set
automatically.
[100] = (AVDD, ADC3). ADC3 can be used as the negative input terminal for the reference source.
[101] to [111] = reserved.
3:2
BUF_BYPASS[1:0]
Buffer bypass.
[00] = full buffer on. Both positive and negative buffer inputs active.
[01] = negative buffer is bypassed, positive buffer is on.
[10] = negative buffer is on, positive buffer is bypassed.
[11] = full buffer bypass. Both positive and negative buffer inputs are off.
1:0
Digital gain. Select for auxiliary ADC inputs.
[00] = ADC1 gain = 1.
[01] = ADC1 gain = 2.
[10] = ADC1 gain = 4.
[11] = ADC1 gain = 8.
ADC Filter Register
Name:
ADCFLT
Address:
0xFFFF0514
Default value:
0x0007
Access:
Read and write
Function:
The ADC filter MMR is a 16-bit register that controls the speed and resolution of both the on-chip ADCs. Note that, if
ADCFLT is modified, the primary and auxiliary ADCs are reset.
Table 45. ADCFLT MMR Bit Designations
Bit
Name
Description
15
CHOPEN
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[6:0] in this
table). 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
RAVG2
Running average-by-2 enable bit.
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), does
not reduce the ADC output rate but does increase the settling time by one conversion period.
Cleared by user to disable the running average function.
13:8
AF[5:0]
Averaging factor (AF). The values written to these bits are 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 Bits[6:0] (sinc3
decimation factor) in this table.
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