Update 48k version

In to NXDN possible problem on sinc filter anc isinc filter, think they must be recalculated but do not know how to do it. On D-STAR, DMR, C4FM and P25 it work.

Config.h

@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
+ *   Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX
  *
  *   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
@@ -27,7 +27,7 @@
 // Frequencies such as 10.0 Mhz (48000 * 208.333) or 20 Mhz (48000 * 416.666) are not suitable.
 //
 // For 12 MHz
-// #define EXTERNAL_OSC 12000000
+#define EXTERNAL_OSC 12000000
 // For 12.288 MHz
 // #define EXTERNAL_OSC 12288000
 // For 14.4 MHz
@@ -45,21 +45,28 @@
 // #define ARDUINO_DUE_PAPA
 
 // For the ZUM V1.0 and V1.0.1 boards pin layout
-#define ARDUINO_DUE_ZUM_V10
+// #define ARDUINO_DUE_ZUM_V10
+
+// For the SQ6POG board
+// #define STM32F1_POG
 
 // For the SP8NTH board
 // #define ARDUINO_DUE_NTH
 
-// To use wider C4FSK filters for DMR, System Fusion and P25 on transmit
-// #define WIDE_C4FSK_FILTERS_TX
-// To use wider C4FSK filters for DMR, System Fusion and P25 on receive
-// #define WIDE_C4FSK_FILTERS_RX
+// For ST Nucleo-64 STM32F446RE board
+// #define STM32F4_NUCLEO_MORPHO_HEADER
+#define STM32F4_NUCLEO_ARDUINO_HEADER
+
+// Use separate mode pins to switch external filters/bandwidth for example
+// #define STM32F4_NUCLEO_MODE_PINS
 
 // Pass RSSI information to the host
-// #define SEND_RSSI_DATA
+#define SEND_RSSI_DATA
 
 // Use the modem as a serial repeater for Nextion displays
 // #define SERIAL_REPEATER
 
-#endif
+// To reduce CPU load, you can remove the DC blocker by commenting out the next line
+// #define USE_DCBLOCKER
 
+#endif