Apollo2 вышли и залегли на склад DigiKey. Прочитал документы и цены. Офигел. Думаю, как жить дальше :) Errata вылизали. Понятно, почему чип так долго выходил - чистили errata. Сейчас ничего критического не осталось.
Ultra-low supply current
<10 μA/MHz executing from flash at 3.3 V
<10 μA/MHz executing from RAM at 3.3 V
High-performance ARM Cortex-M4 Processor
Up to 48 MHz clock frequency
Floating point unit
Memory protection unit
Wake-up interrupt controller with 32 interrupts
Ultra-low power memory:
Up to 1 MB of flash memory for code/data
Up to 256 KB of low leakage RAM for code/data
16kB 1 or 2-way Associative Cache
Ultra-low power interface for off-chip sensors:
14 bit, 15-channel, up to 1.2 MS/s ADC
Voltage Comparator
Temperature sensor with +/-2ºC accuracy
Flexible serial peripherals:
6x I2C/SPI master for communication with sensors, radios, and other peripherals - часть SPI 24Mhz, I2C - до 1М бита
1x I2C/SPI slave for host communications
2x UART for communication with peripherals and legacy devices
PDM for mono and stereo audio microphone
Rich set of clock sources:
32.768 kHz XTAL oscillator
Low frequency RC oscillator – 1.024 kHz
High frequency RC oscillator – 48 MHz
RTC based on Ambiq’s AM08X5/18X5 families
Wide operating range: 1.8-3.6 V, –40 to 85°C Step-Down встроен.
Compact package options:
2.5 x 2.5 mm 49-pin CSP with 34 GPIO - 0.35 мм, кого-то надо прибить.
4.5 x 4.5 mm 64-pin BGA with 50 GPIO - эти имеют шаг 0.5мм
AMAPH1KK-KBR ARM® Cortex®-M4F Apollo2 Microcontroller IC 32-Bit 48MHz 1MB (1M x 8) FLASH 256k SRAM 64-BGA (4.5x4.5) 4,000 - $3.77
1 - $7.47
10 - $6.721
25 - $6.1232
100 - $5.526
Evgeny_CD, Архитектор (19.10.2017 22:08 - 22:10, просмотров: 305) ответил Evgeny_CD на Малопотребляющие MCU Ambiq Micro Apollo1 -> и Apollo2 --> Спасибо blackprapor