diff --git a/meson.build b/meson.build
index 97fb06cf..5fa02d33 100644
--- a/meson.build
+++ b/meson.build
@@ -257,6 +257,7 @@ dm1801_src = src + mk22fn512_src + ['platform/targets/DM-1801/platform.c',
'platform/drivers/display/UC1701_GD77.c',
'platform/drivers/keyboard/keyboard_GD77.c',
'platform/drivers/NVM/W25Qx.c',
+ 'platform/drivers/NVM/AT24Cx_GDx.c',
'platform/drivers/NVM/spiFlash_GDx.c',
'platform/drivers/ADC/ADC0_GDx.c',
'platform/drivers/baseband/rtx_GDx.c']
diff --git a/platform/drivers/NVM/AT24Cx.h b/platform/drivers/NVM/AT24Cx.h
new file mode 100644
index 00000000..331a9893
--- /dev/null
+++ b/platform/drivers/NVM/AT24Cx.h
@@ -0,0 +1,51 @@
+/***************************************************************************
+ * Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO, *
+ * Niccolò Izzo IU2KIN *
+ * Frederik Saraci IU2NRO *
+ * Silvano Seva IU2KWO *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 3 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, see *
+ ***************************************************************************/
+
+#ifndef AT24Cx_H
+#define AT24Cx_H
+
+#include
+#include
+
+/**
+ * Driver for ATMEL AT24Cx family of I2C EEPROM devices, used as external non
+ * volatile memory on various radios to store global settings and contact data.
+ */
+
+/**
+ * Initialise driver for external EEPROM.
+ */
+void AT24Cx_init();
+
+/**
+ * Terminate driver for external EEPROM.
+ */
+void AT24Cx_terminate();
+
+/**
+ * Read data from EEPROM memory.
+ *
+ * @param addr: start address for read operation.
+ * @param buf: pointer to a buffer where data is written to.
+ * @param len: number of bytes to read.
+ */
+void AT24Cx_readData(uint32_t addr, void *buf, size_t len);
+
+#endif /* AT24Cx_H */
diff --git a/platform/drivers/NVM/AT24Cx_GDx.c b/platform/drivers/NVM/AT24Cx_GDx.c
new file mode 100644
index 00000000..c613d4f4
--- /dev/null
+++ b/platform/drivers/NVM/AT24Cx_GDx.c
@@ -0,0 +1,62 @@
+/***************************************************************************
+ * Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO, *
+ * Niccolò Izzo IU2KIN *
+ * Frederik Saraci IU2NRO *
+ * Silvano Seva IU2KWO *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 3 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, see *
+ ***************************************************************************/
+
+#include "AT24Cx.h"
+#include
+#include
+#include
+#include
+#include
+
+static const uint8_t devAddr = 0xA0; /* EEPROM I2C address */
+
+void AT24Cx_init()
+{
+ gpio_setMode(I2C_SDA, OPEN_DRAIN);
+ gpio_setMode(I2C_SCL, OPEN_DRAIN);
+ gpio_setAlternateFunction(I2C_SDA, 3);
+ gpio_setAlternateFunction(I2C_SCL, 3);
+
+ i2c0_init();
+}
+
+void AT24Cx_terminate()
+{
+ i2c0_terminate();
+ gpio_setMode(I2C_SDA, INPUT);
+ gpio_setMode(I2C_SCL, INPUT);
+}
+
+void AT24Cx_readData(uint32_t addr, void* buf, size_t len)
+{
+ uint16_t a = __builtin_bswap16((uint16_t) addr);
+
+ /*
+ * On GDx devices the I2C bus is shared between the EEPROM and the AT1846S,
+ * so we have to acquire exclusive ownership before exchanging data
+ */
+ i2c0_lockDeviceBlocking();
+
+ i2c0_write(devAddr, &a, 2, false);
+ delayUs(10);
+ i2c0_read(devAddr, buf, len);
+
+ i2c0_releaseDevice();
+}
diff --git a/platform/targets/DM-1801/hwconfig.h b/platform/targets/DM-1801/hwconfig.h
index b1577853..24700816 100644
--- a/platform/targets/DM-1801/hwconfig.h
+++ b/platform/targets/DM-1801/hwconfig.h
@@ -78,4 +78,8 @@
#define FLASH_SDO GPIOE,4
#define FLASH_SDI GPIOA,19
+/* I2C for EEPROM and AT1846S */
+#define I2C_SDA GPIOE,25
+#define I2C_SCL GPIOE,24
+
#endif
diff --git a/tests/platform/dumpEeprom_GDx.c b/tests/platform/dumpEeprom_GDx.c
new file mode 100644
index 00000000..5b321904
--- /dev/null
+++ b/tests/platform/dumpEeprom_GDx.c
@@ -0,0 +1,63 @@
+/***************************************************************************
+ * Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO, *
+ * Niccolò Izzo IU2KIN, *
+ * Frederik Saraci IU2NRO, *
+ * Silvano Seva IU2KWO *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 3 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, see *
+ ***************************************************************************/
+
+#include
+#include
+#include
+#include
+
+void printChunk(void *chunk)
+{
+ uint8_t *ptr = ((uint8_t *) chunk);
+ for(size_t i = 0; i < 16; i++) printf("%02x ", ptr[i]);
+ for(size_t i = 0; i < 16; i++)
+ {
+ if((ptr[i] > 0x22) && (ptr[i] < 0x7f))
+ {
+ printf("%c", ptr[i]);
+ }
+ else
+ {
+ printf(".");
+ }
+ }
+}
+
+int main()
+{
+
+ AT24Cx_init();
+
+ while(1)
+ {
+ getchar();
+
+ for(uint16_t addr = 0; addr < 0x10000; addr += 16)
+ {
+ uint8_t buf[16];
+ AT24Cx_readData(addr, buf, 16);
+ printf("\r\n%lx: ", addr);
+ printChunk(buf);
+ puts("\r");
+ }
+ }
+
+ return 0;
+}