MMA9555L: Motion Sensing Pedometer Platform
The low-power MMA9555L intelligent motion-sensing pedometer incorporates a 3-axis MEMS accelerometer, signal conditioning, data conversion, and a 32-bit microcontroller for use in portable and mobile consumer products.
MMA9555L
特性
- High resolution 3-axis accelerometer with:
- 16-bit ADC (0.061 mg/LSB @ 2 g)
- 16-bit ADC (0.061 mg/LSB @ 2 g)
- Selectable g range (±2/4/8 g) and output data rates (488 Hz–3.8 Hz)
- One slave SPI or I2C interface operating at up to 2 Mbps for communication with the host processor
- 1.8 V supply voltage low power consumption
- 2 μA typical current at stop mode
- 117 μA for pedometer running at active and 92 μA at suspend
- 87 μA when six-direction detection mode
- 2 μA typical current at stop mode
- 117 μA for pedometer running at active and 92 μA at suspend
- 87 μA when six-direction detection mode
- Complete built-in firmware for smart sensing intelligence
- Real time and preemptive application task scheduling
- Command interpreter support command/response and streaming mode
- Low-power pedometer with rich output information
Step counting
Speed, distance, calorie count estimation
Activity level (rest, walking, jogging, running)
- Six-direction detection output
- Extensive set of power-management features and low-power mode
- GPIO2–GPIO8 can be used for expanded configurable GPIO functions
- Real time and preemptive application task scheduling
- Command interpreter support command/response and streaming mode
- Low-power pedometer with rich output information
- Step counting
- Speed, distance, calorie count estimation
- Activity level (rest, walking, jogging, running)
- Step counting
- Speed, distance, calorie count estimation
- Activity level (rest, walking, jogging, running)
- Six-direction detection output
- Extensive set of power-management features and low-power mode
- GPIO2–GPIO8 can be used for expanded configurable GPIO functions
- Minimal external component requirements
Recommended Documentation (1)
Data Sheets (1)
Reference Manuals (1)
Quick Reference Guides (1)
Ordering Information
| Product | Status | Status | Budgetary Price excluding tax(US$) | Qualification Tier | Package Type and Termination Count | Sensing Axis | Supply Voltage (Typ) (V) | Sensitivity Digital (Typ) (Cnts/g) | Resolution (Spec) (bit) | Ambient Operating Temperature (Min-Max) (°C) | Output Data Rates (Max) (Hz) | Supply Voltage (Min-Max) (V) |
|---|
| MMA9555LR1 | Active | | 1K @ US$1.64 | 10-YEARS APPLICATION LIFE | LGA 16 | XYZ | 1.8 | 1 | 10, 12, 14, 16 | -40 to 85 | 4 | 1.71 to 1.89 |
Package Information
| Package Description | Outline Version | Packing | Product Status | Part Number | Chemical Content | RoHS / Pb FreeChina RoHS Lookup | MSL | PPT (°C) |
|---|
| SENWBMAPLGA 16 3*3*1 P.5 | 98ASA00287D | MPQ - 1000 REELPOQ - 1000 BOX | Active | MMA9555LR1 | MMA9555LR1.pdf |  | 3 | 260 |
