#define CMD_T55XX_WRITE_BLOCK 0x0215
#define CMD_T55XX_READ_TRACE 0x0216
#define CMD_PCF7931_READ 0x0217
+#define CMD_EM4X_READ_WORD 0x0218
+#define CMD_EM4X_WRITE_WORD 0x0219
/* CMD_SET_ADC_MUX: ext1 is 0 for lopkd, 1 for loraw, 2 for hipkd, 3 for hiraw */