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6 high-efficiency Arm® microcontrollers and audio DSP for wearable and hearable device applications.
13 - MAX32666 MCU:
15 - High-Efficiency Microcontroller and Audio DSP for Wearable and Hearable Devices
17 - Arm Cortex-M4 with FPU Up to 96MHz
18 - Optional Second Arm Cortex-M4 with FPU Optimized for Data Processing
19 - Low-Power 7.3728MHz System Clock Option
20 - 1MB Flash, Organized into Dual Banks 2 x 512KB
21 - 560KB (448KB ECC) SRAM; 3 x 16KB Cache
22 - Optional Error Correction Code (ECC-SEC-DED)for Cache, SRAM, and Internal Flash
24 - Bluetooth 5 Low Energy Radio
26 - 1Mbps and 2Mbps Data Throughput
27 - Long Range (125kbps and 500kbps)
28 - Advertising Extension
29 - Rx Sensitivity: -95dbm; Tx Power Up to +4.5dbm
30 - On-Chip Matching with Single-Ended Antenna Port
32 - Power Management Maximizes Operating Time for Battery Applications
34 - Integrated SIMO SMPS for Coin-Cell Operation
35 - Dynamic Voltage Scaling Minimizes Active Core Power Consumption
36 - 27.3μA/MHz at 3.3V Executing from Cache
37 - Selectable SRAM Retention in Low Power Modes with RTC Enabled
39 - Multiple Peripherals for System Control
41 - Three QSPI Master/Slave with Three Chip Selects Each
42 - Three 4-Wire UARTs
43 - Three I2C Master/Slave
44 - Up to 50 GPIO
45 - QSPI (SPIXF) with Real-Time Flash Decryption
46 - QSPI (SPIXR) RAM Interface Provides SRAMExpansion
47 - 8-Input 10-Bit Delta-Sigma ADC 7.8ksps
48 - USB 2.0 HS Engine with Internal Transceiver
49 - PDM Interface Supports Two Digital Microphones
50 - I2S with TDM
51 - Six 32-Bit Timers
52 - Two High-Speed Timers
53 - 1-Wire Master
54 - Sixteen Pulse Trains (PWM)
55 - Secure Digital Interface Supports SD3.0/SDIO3.0/eMMC4.51
57 - Secure Valuable IP/Data with Hardware Security
59 - Trust Protection Unit (TPU) with MAA SupportsFast ECDSA and Modular Arithmetic
60 - AES128/192/256, DES, 3DES, Hardware Accelerator
61 - TRNG Seed Generator
62 - SHA-2 Accelerator•Secure Bootloader
64 - Benefits and Features of MAX32666EVKIT:
66 - Bluetooth SMA connector with a 2.4GHz Hinged Whip Antenna
67 - 1.28in 128 x 128 Monochrome TFT Display
68 - 64MB XIP Flash
69 - 1MB XIP RAM
70 - Stereo Audio Codec with Line-In and Line-Out 3.5mm Jacks
71 - Digital Audio Microphone
72 - USB 2.0 Micro B Interface
73 - USB 2.0 Micro B to Serial UARTs
74 - Micro SD Card Interface
75 - Select GPIOs Accessed Through a 0.1in Header
76 - Access to the 8 Analog Inputs Through a 0.1in Header
77 - Arm® or SWD JTAG 20-Pin Header
78 - 1-Wire RJ11 Port
79 - Can Be Solely Sourced by a Coin Cell Battery
80 - Board Power Provided by Either USB Port
81 - Individual Power Measurement on All IC Rails Through Jumpers
82 - On-Board 1.8V and 3.3V Regulators
83 - Two General-Purpose LEDs and Two General-Purpose Pushbutton Switches
91 +-----------+------------+-------------------------------------+
94 | NVIC | on-chip | nested vector interrupt controller |
95 +-----------+------------+-------------------------------------+
96 | SYSTICK | on-chip | systick |
97 +-----------+------------+-------------------------------------+
98 | CLOCK | on-chip | clock and reset control |
99 +-----------+------------+-------------------------------------+
100 | GPIO | on-chip | gpio |
101 +-----------+------------+-------------------------------------+
102 | UART | on-chip | serial |
103 +-----------+------------+-------------------------------------+
104 | TRNG | on-chip | entropy |
105 +-----------+------------+-------------------------------------+
106 | Watchdog | on-chip | watchdog |
107 +-----------+------------+-------------------------------------+
108 | DMA | on-chip | dma controller |
109 +-----------+------------+-------------------------------------+
110 | I2C | on-chip | i2c |
111 +-----------+------------+-------------------------------------+
112 | ADC | on-chip | adc |
113 +-----------+------------+-------------------------------------+
114 | Timer | on-chip | counter |
115 +-----------+------------+-------------------------------------+
116 | PWM | on-chip | pwm |
117 +-----------+------------+-------------------------------------+
118 | W1 | on-chip | one wire master |
119 +-----------+------------+-------------------------------------+
120 | Flash | on-chip | flash |
121 +-----------+------------+-------------------------------------+
128 +-----------+---------------+---------------+------------------------------------------------------…
132 … | | +-----------+ | +-----------------------------------------------------…
134 … | | +-----------+ | +-----------------------------------------------------…
136 … | | +-----------+ | +-----------------------------------------------------…
138 +-----------+---------------+---------------+------------------------------------------------------…
139 …P2 | I2C1_SCL/SDA | +-----------+ | +-----------------------------------------------------…
141 … | | +-----------+ | +-----------------------------------------------------…
143 … | | +-----------+ | +-----------------------------------------------------…
145 +-----------+---------------+---------------+------------------------------------------------------…
146 …P3 | I2C2_SCL/SDA | +-----------+ | +-----------------------------------------------------…
148 … | | +-----------+ | +-----------------------------------------------------…
150 … | | +-----------+ | +-----------------------------------------------------…
152 +-----------+---------------+---------------+------------------------------------------------------…
153 …P4 | P1_14 | +-----------+ | +-----------------------------------------------------…
155 … | | +-----------+ | +-----------------------------------------------------…
157 … | | +-----------+ | +-----------------------------------------------------…
159 +-----------+---------------+---------------+------------------------------------------------------…
160 …P5 | P1_15 | +-----------+ | +-----------------------------------------------------…
162 … | | +-----------+ | +-----------------------------------------------------…
164 … | | +-----------+ | +-----------------------------------------------------…
166 +-----------+---------------+---------------+------------------------------------------------------…
167 …P6 | VBUS | +-----------+ | +-----------------------------------------------------…
168 | | | | 2-1 | | | Connects VBUS to USB connector CN1 to supply board…
169 … | | +-----------+ | +-----------------------------------------------------…
170 | | | | 2-3 | | | Connects VBUS to USB connector CN2 to supply board…
171 … | | +-----------+ | +-----------------------------------------------------…
173 +-----------+---------------+---------------+------------------------------------------------------…
175 +-----------+---------------+---------------+------------------------------------------------------…
177 +-----------+---------------+---------------+------------------------------------------------------…
178 | JP9 | +-----------+ | +-----------+ | +---------------------------------------------------…
179 | | | P0_20 | | | 2-1 | | | Connects the USB to serial UART to GPIO P0_20 (RX1…
180 | | +-----------+ | +-----------+ | +---------------------------------------------------…
181 | | | P0_28 | | | 2-3 | | | Connects the USB to serial UART to GPIO P0_28 (RX2…
182 | | +-----------+ | +-----------+ | +---------------------------------------------------…
184 +-----------+---------------+---------------+------------------------------------------------------…
185 | JP10 | +-----------+ | +-----------+ | +---------------------------------------------------…
186 | | | P0_21 | | | 2-1 | | | Connects the USB to serial UART to GPIO P0_21 (TX1…
187 | | +-----------+ | +-----------+ | +---------------------------------------------------…
188 | | | P0_29 | | | 2-3 | | | Connects the USB to serial UART to GPIO P0_29 (TX2…
189 | | +-----------+ | +-----------+ | +---------------------------------------------------…
191 +-----------+---------------+---------------+------------------------------------------------------…
192 | JP11 | +-----------+ | +-----------+ | +---------------------------------------------------…
193 | | | P0_22 | | | 2-1 | | | Connects the USB to serial UART to GPIO P0_22 (CTS…
194 | | +-----------+ | +-----------+ | +---------------------------------------------------…
195 | | | P0_30 | | | 2-3 | | | Connects the USB to serial UART to GPIO P0_30 (CTS…
196 | | +-----------+ | +-----------+ | +---------------------------------------------------…
198 +-----------+---------------+---------------+------------------------------------------------------…
199 | JP12 | +-----------+ | +-----------+ | +---------------------------------------------------…
200 | | | P0_23 | | | 2-1 | | | Connects the USB to serial UART to GPIO P0_23 (RTS…
201 | | +-----------+ | +-----------+ | +---------------------------------------------------…
202 | | | P0_31 | | | 2-3 | | | Connects the USB to serial UART to GPIO P0_31 (RTS…
203 | | +-----------+ | +-----------+ | +---------------------------------------------------…
205 +-----------+---------------+---------------+------------------------------------------------------…
206 …P13 | VREGI | +-----------+ | +-----------------------------------------------------…
207 | | | | 2-1 | | | Connects VREGI to the coin cell battery. …
208 … | | +-----------+ | +-----------------------------------------------------…
209 | | | | 2-3 | | | Connects VREGI to 3V3. …
210 … | | +-----------+ | +-----------------------------------------------------…
212 +-----------+---------------+---------------+------------------------------------------------------…
213 …P14 | VDDIOH | +-----------+ | +-----------------------------------------------------…
214 | | | | 1-2 | | | Connects VDDIOH to VREGO_A …
215 … | | +-----------+ | +-----------------------------------------------------…
216 | | | | 3-4 | | | Connects VDDIOH to 1V8. …
217 … | | +-----------+ | +-----------------------------------------------------…
218 | | | | 5-6 | | | Connects VDDIOH to 3V3. …
219 … | | +-----------+ | +-----------------------------------------------------…
221 +-----------+---------------+---------------+------------------------------------------------------…
222 …P15 | VDDIOH | +-----------+ | +-----------------------------------------------------…
224 … | | +-----------+ | +-----------------------------------------------------…
226 … | | +-----------+ | +-----------------------------------------------------…
228 +-----------+---------------+---------------+------------------------------------------------------…
229 …P16 | VDDB | +-----------+ | +-----------------------------------------------------…
231 … | | +-----------+ | +-----------------------------------------------------…
233 … | | +-----------+ | +-----------------------------------------------------…
235 +-----------+---------------+---------------+------------------------------------------------------…
236 …P17 | VDDIO | +-----------+ | +-----------------------------------------------------…
237 | | | | 2-1 | | | Connects VDDIO to VREGO_A. …
238 … | | +-----------+ | +-----------------------------------------------------…
239 | | | | 2-3 | | | Connects VDDIO to 1V8. …
240 … | | +-----------+ | +-----------------------------------------------------…
242 +-----------+---------------+---------------+------------------------------------------------------…
243 …P18 | VDDIO | +-----------+ | +-----------------------------------------------------…
245 … | | +-----------+ | +-----------------------------------------------------…
247 … | | +-----------+ | +-----------------------------------------------------…
249 +-----------+---------------+---------------+------------------------------------------------------…
250 …P19 | VDDA | +-----------+ | +-----------------------------------------------------…
252 … | | +-----------+ | +-----------------------------------------------------…
254 … | | +-----------+ | +-----------------------------------------------------…
256 +-----------+---------------+---------------+------------------------------------------------------…
257 …P20 | VCORE_A | +-----------+ | +-----------------------------------------------------…
259 … | | +-----------+ | +-----------------------------------------------------…
261 … | | +-----------+ | +-----------------------------------------------------…
263 +-----------+---------------+---------------+------------------------------------------------------…
264 …P21 | VCORE_B | +-----------+ | +-----------------------------------------------------…
266 … | | +-----------+ | +-----------------------------------------------------…
268 … | | +-----------+ | +-----------------------------------------------------…
270 +-----------+---------------+---------------+------------------------------------------------------…
271 …P22 | VTXIN | +-----------+ | +-----------------------------------------------------…
273 … | | +-----------+ | +-----------------------------------------------------…
275 … | | +-----------+ | +-----------------------------------------------------…
277 +-----------+---------------+---------------+------------------------------------------------------…
278 …P23 | VRXIN | +-----------+ | +-----------------------------------------------------…
280 … | | +-----------+ | +-----------------------------------------------------…
282 … | | +-----------+ | +-----------------------------------------------------…
284 +-----------+---------------+---------------+------------------------------------------------------…
295 SWD port. SWD debug can be accessed through the Cortex 10-pin connector, J6.
304 a Segger J-Link with Segger's native tooling by overriding the runner,
305 appending ``--runner jlink`` to your ``west`` command(s). The J-Link should
306 be connected to the standard 20-pin connector (J7) or a Cortex® 10-pin connector (J6).
317 - `MAX32666EVKIT web page`_
320 …https://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/MA…