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參數(shù)資料
| 型號(hào)： | MC13214R2 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, BGA71 |
| 封裝： | 9 X 9 MM, 1 MM HEIGHT, ROHS COMPLIANT, LGA-71 |
| 文件頁(yè)數(shù)： | 38/70頁(yè) |
| 文件大?。?/td> | 802K |
| 代理商： | MC13214R2 |
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MC13211/212/213/214 Technical Data, Rev. 0.0,
Freescale Semiconductor
43
5.7.7
Analog-to-Digital (ATD) Module
The HCS08 provides one 8-channel analog-to-digital (ATD) module. The eight ATD channels share
Port B. Each channel individually can be configured for general-purpose I/O or for ATD functionality.
5.7.7.1
ATD Features
8-/10-bit resolution
14.0
sec, 10-bit single conversion time at a conversion frequency of 2 MHz
Left-/right-justified result data
Left-justified signed data mode
Conversion complete flag or conversion complete interrupt generation
Analog input multiplexer for up to eight analog input channels
Single or continuous conversion mode
5.7.7.2
ATD Modes of Operation
The ATD has two modes for low power
1. Stop mode
2. Power-down mode
5.7.7.2.1
ATD Stop Mode
When the MCU goes into Stop Mode, the MCU stops the clocks and the ATD analog circuitry is turned
off, placing the module into a low-power state. Once in stop mode, the ATD module aborts any single or
continuous conversion in progress. Upon exiting stop mode, no conversions occur and the registers have
their previous values. As long as the ATDPU bit is set prior to entering stop mode, the module is
reactivated coming out of stop.
5.7.7.2.2
ATD Power Down Mode
Clearing the ATDPU bit in register ATD1C also places the ATD module in a low-power state. The ATD
conversion clock is disabled and the analog circuitry is turned off, placing the module in power-down
mode. (This mode does not remove power to the ATD module.) Once in power-down mode, the ATD
module aborts any conversion in progress. Upon setting the ATDPU bit, the module is reactivated. During
power-down mode, the ATD registers are still accessible.
NOTE
The reset state of the ATDPU bit is zero. Therefore, the module is reset into
the power-down state.
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| MC1321X | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述: |
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| MC13224V | 功能描述:射頻收發(fā)器 PIP 802.15.4 2.4G IND RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
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| MC13224V_09 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Advanced ZigBee?- Compliant Platform-in-Package (PiP) for the 2.4 GHz IEEE? 802.15.4 Standard |
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