Listing 2. PC30AT Register Names

#define PORT_A30at	0x0
#define PORT_B30at 	0x1
#define PORT_C30at 	0x2
#define CONTROL30at 	0x3
#define DAC1h30at       0xD
#define DAC1l30at       0xC
#define DAC2h30at       0x11
#define DAC2l30at       0x10
#define USER_Aat        0x8
#define USER_Bat        0x9
#define USER_CONTROLat  0xB-1
#define CONTROLWORDAT   0x07-1
#define COUNTER0AT      0x04-1