diff --git a/drivers/lcd/include/lcd_internal.h b/drivers/lcd/include/lcd_internal.h
index 024747af60..50fc6cf0fe 100644
--- a/drivers/lcd/include/lcd_internal.h
+++ b/drivers/lcd/include/lcd_internal.h
@@ -35,6 +35,7 @@ extern "C" {
  */
 #define LCD_CMD_SWRESET         0x01    /**< Software reset */
 #define LCD_CMD_RDDIDIF         0x04    /**< Read display ID */
+#define LCD_CMD_RDDST           0x09    /**< Read display status */
 #define LCD_CMD_SLPIN           0x10    /**< Enter sleep mode */
 #define LCD_CMD_SLPOUT          0x11    /**< Sleep out */
 #define LCD_CMD_NORON           0x13    /**< Normal display mode on */
diff --git a/tests/drivers/st77xx/main.c b/tests/drivers/st77xx/main.c
index 8421325aa2..d6bfffec4d 100644
--- a/tests/drivers/st77xx/main.c
+++ b/tests/drivers/st77xx/main.c
@@ -25,6 +25,7 @@
 #include "ztimer.h"
 #include "board.h"
 #include "lcd.h"
+#include "lcd_internal.h"
 
 #include "riot_logo.h"
 
@@ -54,6 +55,18 @@ int main(void)
         return 1;
     }
 
+#if MODULE_LCD_PARALLEL
+    if (gpio_is_valid(st77xx_params[0].rdx_pin)) {
+        uint8_t data[4];
+
+        lcd_read_cmd(&dev, LCD_CMD_RDDIDIF, data, 3);
+        printf("lcd ID: %02x %02x %02x\n", data[0], data[1], data[2]);
+
+        lcd_read_cmd(&dev, LCD_CMD_RDDST, data, 4);
+        printf("lcd status: %02x %02x %02x %02x\n", data[0], data[1], data[2], data[3]);
+    }
+#endif
+
     puts("lcd TFT display filling map");
     lcd_fill(&dev, 0, dev.params->lines, 0, dev.params->rgb_channels, 0x0000);
     puts("lcd TFT display map filled");