- /* Port 3: 7:UC_RX, 6:UC_TX, 5:-, 4:-, 3:UC_SCK, 2:UC_SOMI, 1:UC_SIMO, 0:SHT_SCK */
- P3SEL = 0xc7; /* 1 1 0 0 1 1 1 0 */
- P3OUT = 0x7b; /* 0 1 1 1 1 0 1 1 */
+ /* Port 3:
+ * 7:UC_RX, 6:UC_TX, 5:GM_RXD, 4:GM_TXD, 3:UC_SCK, 2:UC_SOMI, 1:UC_SIMO,
+ * 0:SHT_SCK
+ */
+ P3SEL = 0; /* 0 0 0 0 0 0 0 0 */
+ P3OUT = 0x3f; /* 0 0 1 1 1 1 1 1 */