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9 The RA4E2 Group delivers up to 100 MHz of CPU performance using an Arm® Cortex®-M33 core
10 with 128 KB of code flash memory, 4 KB of data flash memory, and 40 KB of SRAM. RA4E2 MCUs
11 offer high-performance and optimized peripheral functions along with the smallest package
12 options, including space-saving 36-pin BGA and 32-pin QFN packages. The RA4E2
15 The MCU in this series incorporates a high-performance Arm Cortex®-M33 core running up to
18 **MCU Native Pin Access**
19 - R7FA4E2B93CFM MCU (referred to as RA MCU)
20 - 100 MHz, Arm® Cortex®-M33 core
21 - 128 kB Code Flash, 40 kB SRAM
22 - 64 pins, LQFP package
23 - Native pin access through 2 x 14-pin and 1 x 40-pin male headers
24 - MCU current measurement points for precision current consumption measurement
25 - Multiple clock sources - RA MCU oscillator and sub-clock oscillator crystals, providing precision
26 20.000 MHz and 32,768 Hz reference clock. Additional low-precision clocks are available internal to…
30 - USB Full Speed Device (micro-AB connector)
31 - Three 5 V input sources
33 - USB (Debug, Full Speed)
34 - External power supply (using surface mount clamp test points and J31 through holes)
36 - Three Debug modes
38 - Debug on-board (SWD)
39 - Debug in (SWD)
40 - Debug out (JTAG, SWD)
42 - User LEDs and buttons
44 - Three User LEDs (red, blue, green)
45 - Power LED (white) indicating availability of regulated power
46 - Debug LED (yellow) indicating the debug connection
47 - Two User buttons
48 - One Reset button
50 - Five most popular ecosystems expansions
52 - 2 Seeed Grove® system (I3C/Analog) connectors
53 - SparkFun® Qwiic® connector
54 - 2 Digilent PmodTM (SPI and UART) connectors
55 - ArduinoTM (Uno R3) connector
56 - MikroElektronikaTM mikroBUS connector
58 - MCU boot configuration jumper
62 - CAN FD (3-pin header)
68 EK-RA4E2 Board Functional Area Definitions (Credit: Renesas Electronics Corporation)
81 Detail Hardware feature for the EK-RA4E2 MCU can be found at `EK-RA4E2 - User's Manual`_
86 The below features are currently supported on Zephyr OS for EK-RA4E2 board:
88 +-----------+------------+----------------------+
91 | GPIO | on-chip | gpio |
92 +-----------+------------+----------------------+
93 | MPU | on-chip | arch/arm |
94 +-----------+------------+----------------------+
95 | NVIC | on-chip | arch/arm |
96 +-----------+------------+----------------------+
97 | UART | on-chip | serial |
98 +-----------+------------+----------------------+
99 | CLOCK | on-chip | clock control |
100 +-----------+------------+----------------------+
101 | SPI | on-chip | spi |
102 +-----------+------------+----------------------+
103 | ADC | on-chip | adc |
104 +-----------+------------+----------------------+
105 | PWM | on-chip | pwm |
106 +-----------+------------+----------------------+
107 | ENTROPY | on-chip | entropy |
108 +-----------+------------+----------------------+
123 Program can be flashed to EK-RA4E2 via the on-board SEGGER J-Link debugger.
124 SEGGER J-link's drivers are avaialbe at https://www.segger.com/downloads/jlink/
128 1. Connect to J-Link OB via USB port to host PC
130 …2. Make sure J-Link OB jumper is in default configuration as describe in `EK-RA4E2 - User's Manual…
134 .. code-block:: console
136 west flash -r jlink
157 - `EK-RA4E2 Website`_
158 - `RA4E2 MCU group Website`_
160 .. _EK-RA4E2 Website:
161 …enesas.com/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ek-ra4e2-evaluation-ki…
164 …/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ra4e2-entry-line-100mhz-arm-cort…
166 .. _EK-RA4E2 - User's Manual:
167 https://www.renesas.com/us/en/document/mat/ek-ra4e2-v1-users-manual
170 https://www.renesas.com/us/en/document/mah/ra4e2-group-users-manual-hardware