3.6.2 Using Direct I/O | 24 |
Figure 3.5:Frequency Measurement | 24 |
Appendix | A | Specifications | 26 |
| A.1 | Programmable Counter | 26 |
| A.2 | Digital Input/Output | 26 |
| A.3 | General | 27 |
Appendix | B | Block Diagram | 30 |
Appendix C | Register Structure & Format | 32 | |
| C.1 | Overview | 32 |
| C.2 | I/O Port Address Map | 32 |
|
| C.2.1 Register Format | 33 |
| C.3 | Table C.1:Register Offset Address Table | 33 |
| Counter 0/1 Mode Register | 35 | |
| C.4 | Counter 0/1 Load Register: | 37 |
| C.5 | Counter 0/1 Hold Register | 37 |
| C.6 | Counter 0/1 Command Register | 38 |
| C.7 | Counter Command Enable Register | 38 |
| C.8 | Interrupt Control Register | 39 |
| C.9 | Interrupt Status Register | 39 |
C.10 | Interrupt Clear Register | 40 | |
C.11 | I/O Direction Control Register | 40 | |
C.12 | Port A/B/C Interrupt Status Register | 40 | |
C.13 | FOUT Register | 41 | |
Appendix D | Waveform of Each Mode | 44 | |
| D.1 | Counter Mode Descriptions | 44 |
|
| Table | 45 |
| D.2 | Table | 46 |
| Mode A Waveforms | 47 | |
| D.3 | Mode B Waveforms | 48 |
| D.4 | Mode C Waveforms | 49 |
| D.5 | Mode D Waveforms | 50 |
| D.6 | Mode E Waveforms | 51 |
| D.7 | Mode F Waveforms | 52 |
| D.8 | Mode G Waveforms | 53 |
| D.9 | Mode H Waveforms | 54 |
D.10 | Mode I Waveforms | 55 | |
D.11 | Mode J Waveforms | 56 | |
D.12 | Mode K Waveforms | 57 | |
D.13 | Mode L Waveforms | 58 | |
D.14 | Mode O Waveforms | 59 | |
D.15 | Mode R Waveforms | 60 | |
D.16 | Mode U Waveforms | 61 | |
D.17 | Mode X Waveforms | 62 |
viii |