Page 138 - ARM Based Microcontroller Projects Using MBED

124 7. USING THE Mbed WITH SIMPLE PROJECTS

TABLE 7.1 Number to be Displayed ad PORT C Value
Number PC_7 PC_6 PC_5 PC_4 PC_3 PC_2 PC_1 PC_0 Hex
0 0 0 1 1 1 1 1 1 0x3F
1 0 0 0 0 0 1 1 0 0x06
2 0 1 0 1 1 0 1 1 0x5B
3 0 1 0 0 1 1 1 1 0x4F
4 0 1 1 0 0 1 1 0 0x66
5 0 1 1 0 1 1 0 1 0x6D
6 0 1 1 1 1 1 0 1 0x7D
7 0 0 0 0 0 1 1 1 0x07
8 0 1 1 1 1 1 1 1 0x7F
9 0 1 1 0 1 1 1 1 0x6F

Number PORT C Value
0 0x3F
1 0x06
2 0x5B
3 0x4F
4 0x66
5 0x6D
6 0x7D
7 0x07
8 0x7F
9 0x6F

As we can see from Table 7.1, the following hexadecimal number must be sent to the lower
byte of PORT C in order to display a number:

7.16.5 The Construction
Fig. 7.70 shows the project built on a breadboard.

7.16.6 The PDL

Fig. 7.71 shows the program PDL.