參數(shù)資料
型號: L3G4200DHTR
廠商: STMICROELECTRONICS
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PBGA16
封裝: 4 X 4 MM, 1.10 MM HEIGHT, ROHS COMPLIANT, PLASTIC, LGA-16
文件頁數(shù): 7/28頁
文件大?。?/td> 949K
代理商: L3G4200DHTR
L3G4200DH
Main digital blocks
Doc ID 17300 Rev 1
15/28
3
Main digital blocks
3.1
Block diagram
Figure 6.
Block diagram
3.2
FIFO
The L3G4200DH embeds a 32-slot, 16-bit data FIFO for each of the three output channels:
yaw, pitch and roll. This allows consistent power saving for the system, since the host
processor does not need to continuously poll data from the sensor. Instead it can wake up
only when needed and burst the significant data out from the FIFO. This buffer can work in
five different modes. Each mode is selected by the FIFO_MODE bits in the
FIFO_CTRL_REG. Programmable watermark level, FIFO_empty or FIFO_Full events can
be enabled to generate dedicated interrupts on the DRDY/INT2 pin (configured through
CTRL_REG3, and event detection information is available in FIFO_SRC_REG. Watermark
level can be configured to WTM4:0 in FIFO_CTRL_REG.
3.2.1
Bypass mode
In bypass mode, the FIFO is not operational and for this reason it remains empty. As
illustrated in the
Figure 7, only the first address is used for each channel. The remaining
FIFO slots are empty. When new data is available, the old data is overwritten.
相關(guān)PDF資料
PDF描述
L3G4200D SPECIALTY ANALOG CIRCUIT, PBGA16
L5981 1 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
L5981TR 1 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
L5985 2 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
L5985TR 2 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
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