非常感谢解答！
可是，我就是看过这些内容后仍然不明白，才上来问的。
比如这15个中的某个byte被配置为……后，会出现什么现象，与之形成对照的，配置成……会出现什么现象。我是想知道诸如此类的效果
【 在 watchtime 的大作中提到: 】
:  
: 去找JESD84-B51.pdf  
: 然后下载  
:
: 7.4.107 CONTEXT_CONF \[51: 37\]  
: CONTEXT_CONF is an array of 15 bytes, each controlling the configuration of the relevant ID, starting  
: with ID #1 associated to CONTEXT\_CONF\[37\] up to ID #15 associated to CONTEXT\_CONF\[51\].  
: Context ID #0 is reserved for context-less operation and has no configuration register.  
: Each configuration register holds the following format:
: Table 181 — CONTEXT_CONF configuration format  
: Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0  
: Reliability Mode Large Unit Multiplier Large Unit  
: Context  
: Config direction and  
: activate  
:
: Bit\[7: 6\]: Reliability mode  
: 0x0: MODE0 (normal)  
: 0x1: MODE1 (non-Large Unit, reliable mode or Large Unit unit-by-unit mode)  
: 0x2: MODE2 (Large Unit, one-unit-tail mode)  
: 0x3: Reserved  
: Bit\[5: 3\]: Large Unit multiplier  
: If Large Unit context is set, then the unit is multiplied by (Bit\[5: 3\]   1),  
: else it is ignored  
: Bit\[2\]: Large Unit context  
: 0x0: Context is not following Large Unit rules  
: 0x1: Context follows Large Unit rules  
: Bit \[1: 0\]: Activation and direction selection  
: 00b: Context is closed and is no longer active  
: 01b: Context is configured and activated as a write-only context and according to the rest of the  
: bits in this configuration register  
: 10b: Context is configured and activated as a read-only context and according to the rest of the  
: bits in this configuration register  
: 11b: Context is configured and activated as a read/write context and according to the rest of the  
: bits in this configuration register  
:
: --  
:

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