| ENO-M100 | |
|---|---|
| Module Image |  |
| Sensor Interface | UART, SPI, I2C, ADC, DAC, PWM and GPIOs |
| Pins | 18x18 Castellated Pins. 12x1 Castellated Pins for LTE Module SW upgrade |
| Size in mm | 50 x 35 mm |
| SI.No | Features | Description |
|---|---|---|
| Electro – Mechanical specification | ||
| 1 | Boards Mounting | 18x18 Castellated Pins |
| 2 | Wired interface | 1x USB Type C for 5V Power and Serial debug UART interface for debug messages and user inputs. |
| 3 | User SW programming | 3 pin SWD pins for SW programming and debug via STM32CubeIDE |
| 4 | Operating temperature | -40 ~ + 85 ℃ |
| 5 | Operating humidity | 95% or less |
| 6 | Size | 50x35 mm |
| 7 | Weight | 5 grams |
| Power Specifications | ||
| 1 | Module input voltage | 5V from USB Type C connector * MOSFET based switch to auto cut-off battery power when USB 5V is present. |
| 2 | Battery input voltage | 2.0V to 5V Battery power from non-rechargeable (or) rechargeable battery. The battery options are
listed below: * Two 1.5V AA Type Alkaline/Drycell non-rechargeable batteries connected in series for non-restricted transport. * 3.6V AA type (Li-SOCl2) non-rechargeable battery for Industrial applications. * 4.2V LiFePO4 18650rechargeable battery. The recharging circuit to be added in carrier board by customer. |
| CPU & Other Specifications | ||
| 1 | CPU | STM32L4 series MCU with ARM Cortex-M4 at 80MHz |
| 2 | Flash Memory | 1MB with Preassigned FOTA section |
| 3 | RAM | 352KB/128KB SRAM |
| 4 | Sensor Interfaces | 2x SPI with two chip selects
4x UART 2x I2C 2x CAN 2x ADC 2x DAC 4x PWM 30x GPIOs |
| 5 | RTOS | FreeRTOS |
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| SNO | MCU Pins | Function A | Function B | |
|---|---|---|---|---|
| 1 | PA4 | DAC1_OUT1 | GPIO_PA4 | |
| 2 | PA5 | DAC1_OUT2 | GPIO_PA5 | |
| 3 | PA6 | ADC1_IN11 | GPIO_PA6 | |
| 4 | PA7 | ADC1_IN12 | GPIO_PA7 | |
| 5 | PC4 | GPIO_PC4 | USART3_TX | |
| 6 | PC5 | GPIO_PC5 | USART3_RX | |
| 7 | PB0 | TIM3_CH3 | GPIO_PB0 | |
| 8 | PB1 | TIM3_CH4 | GPIO_PB1 | |
| 9 | PB2 | GPIO_PB2 | GPIO_PB2 | |
| 10 | PC12 | CAN2_RX | GPIO_PB12 | |
| 11 | PB13 | CAN2_TX | I2C2_SCL | |
| 12 | PB14 | GPIO_PB14 | I2C2_SDA | |
| 13 | PB15 | GPIO_PB15 | TIM15_CH2 | |
| 14 | PC6 | TIM3_CH1 | GPIO_PC6 | |
| 15 | PC7 | TIM3_CH2 | GPIO_PC7 | |
| 16 | NRST | Active LOW RESET signal to MCU. The Push button also asserts RESET signal to LOW. | ||
| 17 | GND | GND pin of module. | ||
| 18 | VDD_3V3 | Regulated 3V3 supply output from module to other circuits of carrier board. | ||
| SNO | MCU Pins | Function A | Function B | |
|---|---|---|---|---|
| 1 | PB9 | I2C1_SDA | I2C1_SDA | |
| 2 | PB8 | I2C1_SCL | I2C1_SCL | |
| 3 | PB7 | SPI1_CS0 | SPI1_CS0 | |
| 4 | PB6 | SPI1_CS1 | SPI1_CS1 | |
| 5 | PB5 | SPI1_MOSI | SPI1_MOSI | |
| 6 | PB4 | SPI1_MISO | SPI1_MISO | |
| 7 | PB3 | SPI1_SCK | SPI1_SCK | |
| 8 | PD2 | UART5_RX | UART5_RX | |
| 9 | PC12 | UART5_TX | UART5_TX | |
| 10 | PC11 | UART4_RX | UART4_RX | |
| 11 | PC10 | UART4_TX | UART4_TX | |
| 12 | PA15 | GPIO_PA15 | GPIO_PA15 | |
| 13 | PA12 | GPIO_PA12 | CAN1_TX | |
| 14 | PA11 | GPIO_PA11 | CAN1_RX | |
| 15 | PA8 | GPIO_PA8 | GPIO_PA8 | |
| 16 | GND | GND pin of module | ||
| 17 | VBAT | Battery supply voltage input to module with 3V to 6V range. If Battery is connected, the module works with this battery supply. | ||
| 18 | VBUS_5V | USB 5V supply voltage output from module to other circuits of carrier board. When USB cable is removed, the module will switch to Battery supply on-the-fly, if battery is connected. | ||
| SNO | MCU Pins | Function A | Function B | |
|---|---|---|---|---|
| 1 | GND | GND pin of module | ||
| 2 | PC13 | SPI2_CS | GPIO_PC13 | |
| 3 | PC9 | GPIO_PC9 | GPIO_PC9 | |
| 4 | PC8 | GPIO_PC8 | GPIO_PC8 | |
| 5 | PC0 | LPUART1_RX | LPUART1_RX | |
| 6 | PC1 | LPUART1_TX | LPUART1_TX | |
| 7 | PC2 | SPI2_MISO | LPUART1_RTS | |
| 8 | PC3 | SPI2_MOSI | LPUART1_CTS | |
| 9 | PB10 | SPI2_SCK | GPIO_PB10 | |
| 10 | PA0 | GPIO_PA0 | GPIO_PA0 | |
| 11 | PA1 | GPIO_PA1 | GPIO_PA1 | |
| 12 | PA2 | GPIO_PA2 | GPIO_PA2 | |
