1.5 Address frames

Of the primitives that may be inserted in SSP frames sent from the SSP INIT port and expander port, a drive can detect the following:

a)ACK

b)NAK

c)RRDY

d)CREDIT_BLOCKED

e)NOTIFY

f)BREAK

g)ERROR

Meanwhile, the primitives that may be inserted in SSP frames sent from the drive are as follows:

a)ACK

b)NAK

c)RRDY

d)CREDIT_BLOCKED

Figure 1.17 shows an example of the transfer of interlocked frames.

Figure 1.18 shows an example of the transfer of non-interlocked frames with the same tag.

Figure 1.19 shows an example of the transfer of non-interlocked frames with different tags.

Figure 1.17 Interlocked frames

C141-C013

75

Page 79
Image 79
Fujitsu MBA3073RC, MBC2036RC, MBC2073RC, MBA3300RC, MBA3147RC specifications Interlocked frames