
Chapter 2 Hardware Essentials
Page 2 - 12 |
| Status Port |
Status Port
The Status Port is a
•A sequence of
•An error code if
•Readiness of the board for commands (RDY bit).
•Readiness for a new Single Command (ENT bit).
Status Port: Reset Format
The Status Port is 16 bits wide. The bit meanings of the port will be different depending on whether the status is General information or Reset information; each has separate formats. Both types of format are described in this section.
The RF3880 adapter performs a series of
BIT
15 | 14 | 13 | 12 |
| 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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| 0 |
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| RDY | STC |
Table 9: Status Port: Reset
Upon
1.Soon after reset, the Status Port is written with a value of FDH.
2.Next,
3.The RDY bit is zero during
4.The RDY bit will change to one if the
If a
5.After the RF3880
21020285 D | User’s Guide |