| | Output force | Input force |
|||||
TH | TR | TL | R | L | D | U |
|
Initial state | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
Reset request | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
Reset response | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Execute reset | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
Reset complete | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
(3) Data request
∙ Sequence to acquire data from the mouse.
∙ Start when TH is set to 0B, and end when both TH and TR are set to 1B.
The first data is the Mega Drive ID acquisition phase. Data can be obtained by changing TH from 1B to 0B. Read R, L, D, U after 2μS after TH change.
Please obtain the following data by handshaking with TR and TL.
Table 3.29 shows the data format when requesting Saturn mouse data in SH-2 direct mode.