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MK01 Series BLE module features | ||
Dimension | 10.0x10.0x2.0mm(with shield) | |
Flash/RAM | 512KB/64KB | |
Interface | UART/SPI/TWI/PDM/I2S/QDEC/PWM/ADC/NFC | |
Power Supply | 1.7-3.6 V | |
Operating temp | -40 to +85°C | |
BLE5.0/5.1 Specification | 2 Mbps/CSA #2/Advertising Extensions | |
Cover | Metal shielding with marking | |
BLE Standard | BLE 4.2/5.0 | |
GPIOs | 22 | |
Antenna Type | Ceramic Chip/u.FL Connector | |
32.768K Crystal Oscillator | External | |
Pad package | Land Grid Array (LGA) | |
Other Feature | BLE mesh, ANT+, 2.4GHz | |


Pin No. | Name | Type | Description |
1 | P0.19 | Digital I/O | General purpose I/O |
2 | P0.20 TEACECLK | Digital I/O | General purpose I/O Trace port clock output |
3 | P0.18 TRACEDATA | Digital I/O | General purpose I/O Trace port output |
4 | P0.10 NFC2 | Digital I/O NFC input | General purpose I/O NFC antenna connection |
5 | P0.09 NFC1 | Digital I/O NFC input | General purpose I/O NFC antenna connection |
6 | P0.08 | Digital I/O | General purpose I/O |
7 | P0.06 | Digital I/O | General purpose I/O |
8 | P0.05 AIN3 | Digital I/O Analog input | General purpose I/O SAADC/COMP/LPCOMP input |
9 | P0.00 XL1 | Digital I/O Analog input | General purpose I/O Connection for 32.768 kHz crystal (LFXO) |
10 | P0.01 XL2 | Digital I/O Analog input | General purpose I/O Connection for 32.768 kHz crystal (LFXO) |
11 | DEC4 | Power | 1.3 V regulator supply decoupling Input from DC/DC converter. Output from 1.3 V LDO |
12 | GND | Power | Electrical Ground |
13 | VCC | Power | Power supply. An internal 4.7 µF bulk capacitor is included on the module. However, it is good design practice to add additional bulk capacitance as required for your application, i.e. those with heavy GPIO usage and/or current draw. |
14 | DCC | Power | DC/DC converter output |
15 | P0.02 AIN0 | Digital I/O Analog input | General purpose I/O SAADC/COMP/LPCOMP input |
16 | P0.30 AIN6 | Digital I/O Analog input | General purpose I/O SAADC/COMP/LPCOMP input |
17 | P0.03 AIN1 | Digital I/O Analog input | General purpose I/O SAADC/COMP/LPCOMP input |
18 | P0.04 AIN2 | Digital I/O Analog input | General purpose I/O SAADC/COMP/LPCOMP input |
19 | P0.25 | Digital I/O | General purpose I/O |
20 | GND | Power | Electrical Ground |
21 | GND | Power | Electrical Ground |
22 | P0.21 RESET | Digital I/O | General purpose I/O Configurable as pin reset |
23 | P0.14 TRACEDATA | Digital I/O | General purpose I/O Trace port output |
24 | P0.15 TRACEDATA | Digital I/O | General purpose I/O Trace port output |
25 | P0.16 TRACEDATA | Digital I/O | General purpose I/O Trace port output |
26 | SWDCLK | Digital input | Serial wire debug clock input for debug and programming |
27 | SWDIO | Digital I/O | Serial wire debug I/O for debug and programming |
28 | P0.28 AIN4 | Digital I/O Analog input | General purpose I/O SAADC/COMP/LPCOMP input |
29 | P0.29 AIN5 | Digital I/O Analog input | General purpose I/O SAADC/COMP/LPCOMP input |
30 | P0.26 | Digital I/O | General purpose I/O |
31-36 | GND | Power | Electrical Ground |









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