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參數(shù)資料
| 型號： | EVAL-ADAU1781Z |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 35/92頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR ADAU1781 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | SigmaDSP® |
| 主要目的： | 音頻編解碼器 |
| 嵌入式： | 是，DSP |
| 已用 IC / 零件： | ADAU1781 |
| 主要屬性： | 立體聲，24 位，8 ~ 96 kHz 采樣率，GUI 工具 |
| 次要屬性： | * |
| 已供物品： | * |
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ADAU1781
Rev. B | Page 40 of 92
GENERAL-PURPOSE INPUT/OUTPUTS
The serial data input/output pins are shared with the general-
purpose input/output function. Each of these four pins can be
set to only one function. The function of these pins is set in
Register 16628 (0x40F4), serial data/GPIO pin configuration.
The GPIO pins can be used as either inputs or outputs. These pins
are readable and can be set either through the control interface
or directly by the SigmaDSP core. When set as inputs, these
pins can be used with push-button switches or rotary encoders
to control SigmaDSP core program settings. Digital outputs can
be used to drive LEDs or external logic to indicate the status of
internal signals and control other devices. Examples of this use
include indicating signal overload, signal present, and button
press confirmation.
When set as an output, each pin can typically drive 2 mA. This
is enough current to directly drive some high efficiency LEDs.
Standard LEDs require about 20 mA of current and can be driven
from a GPIO output with an external transistor or buffer. Because
of issues that may arise from simultaneously driving or sinking a
large current on many pins, care should be taken in the application
design to avoid connecting high efficiency LEDs directly to many
or all of the GPIO pins. If many LEDs are required, use an external
driver. When the GPIO pins are set as open-collector outputs,
they should be pulled up to a maximum voltage of what is set
on IOVDD.
The configuration of the GPIO functions is set up in Register 16582
to Register 16586 (0x40C6 to 0x40CA), GPIO pin control.
GPIOs Set from Control Port
The GPIO pins can also be set to be directly controlled from the
I2C/SPI control port. When the pins are set into this mode, five
memory locations are enabled for the GPIO pin settings (see
Table 75). The physical settings on the GPIO pins mirror the
settings of the LSB of these 4-byte-wide memory locations.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-ADAU1962AZ | 制造商:Analog Devices 功能描述:EVAL BOARD FOR ADAU1962A - Boxed Product (Development Kits) 制造商:Analog Devices 功能描述:Eval Board for ADAU1962A |
| EVAL-ADAU1966AZ | 制造商:Analog Devices 功能描述:EVAL BOARD FOR ADAU1962A - Boxed Product (Development Kits) |
| EVAL-ADAU1966Z | 功能描述:BOARD EVAL FOR ADAU1966 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 數(shù)模轉(zhuǎn)換器 (DAC) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- DAC 的數(shù)量:4 位數(shù):12 采樣率（每秒）:- 數(shù)據(jù)接口:串行，SPI? 設(shè)置時間:3µs DAC 型:電流/電壓 工作溫度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581 |
| EVAL-ADAU1966Z | 制造商:Analog Devices 功能描述:ADAU1966, DAC, SIGMA DELTA, SPI, I2C, EV |
| EVAL-ADAU1978Z | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad Analog-to-Digital Converter (ADC) |
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