Integrated Bluetooth® Wireless Technology BLE5-Compliant Low-Energy Sub-System |
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RF sensitivity: -95 dBm |
Tx: 5 mA @ 0 dBm, Rx: 3.5 mA |
Tx output power: -40 dBm to +5 dBm |
AES 128-bit encryption |
Over-The-Air updates (OTA) |
Coexistence with other 2.4 GHz wireless |
Bluetooth SIG profiles support |
Enhanced data rate up to 2 Mbps feature capable |
Built-in 32 kHz RCOU Ultra-low Power Memory |
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Up to 1MB of flash memory for code/data |
Up to 256KB of low power RAM for code/data |
16KB 2-way Associative Cache |
Ultra-Low Power Interface for On- and Off-Chip Sensors |
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14-bit ADC, 11 selectable input channels available |
Up to 2.67 MS/s sampling rate |
Voltage Comparator (VCOMP) |
Temperature sensor with ±3°C accuracy after calibration |
Ultra-Low Power Flexible Serial Peripherals |
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4x I2C/SPI masters with 128-byte bidirectional FIFO for communication with sensors, radios, and other peripherals |
1x I2C/SPI slave for host communications with 256-bytes LRAM area for FIFO/host support |
2x UART modules with 32-location Tx and Rx FIFOs |
PDM for mono and stereo audio microphones |
1x 12S slave for PDM audio pass-through |
Rich Set of Clock Sources |
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32.768 kHz crystal (XTAL) oscillator |
Low Frequency RC (LFRC) oscillator (1.024 kHz) |
High Frequency RC (HFRC) oscillator (48 MHz) |
RTC based on Ambiq’s AM08X5/18X5 family |
Wide Operating Range |
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1.755-3.63 V, -40°C to 85°C |
Applications |
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Wearable electronics including smart watches |
Activity and fitness monitors |
Wireless sensors |
Consumer electronics |
Beacons |
Light control applications |
Remote sensing |
Wireless mice and keyboards |
Motion and tracking devices |
Alarms and security system |
Home automation |
Toys |
Package Option |
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4 mm x 4 mm x 0.9 mm 64-pin LGA with up to 31 GPIO |
Ordering Information |
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AMA2B1KK-KLR (256KB RAM, 64-pin LGA) |
AMA2BEVB (EVB) |