Handling Of Irregular Operating Conditions - Fujitsu MB86R02 Jade-D Hardware Manual

MB86R02 'Jade-D' Hardware Manual V1.64
16.5.1.4.

Handling of irregular operating conditions

16.5.1.4.1. XCS abnormality handling
Even if XCS ends prior to the time set in the CMD byte, the MB86R02 will follow the setting of the
CMD byte.
HOS T
HOS T
HOS T DI
C MD AB #0
AD D 07-00
16.5.1.4.2. CLK abnormality handling
The MB86R02 device standard operation uses the internal SPICLK signal. The MB86R02
devices does not have a CRC error correction function. The normal operation of the MB86R02
can not be guaranteed if the CLK signal exceeds specified boundaries.
HOS T
HOS T
HOS T DI C MD AB #0
AD D 07-00
Abnormal CLK signals will lead to a malfunction of the MB86R02 device. Therefore please give
careful attention to this issue when designing the clock line.
It ended early.
AB #1 AB #2 AB #3 D B #0 D B #1
AD D 15-08 AD D 23-16 AD D 31-24 D T07-00 D T15-08
Figure 16-15 XCS abnormality handling
The noise mixed with the clock line.
AB #1 AB #2 AB #3 D B #0 D B #1
AD D 15-08 AD D 23-16 AD D 31-24 D T07-00 D T15-08
HOS T
(WriteS ts 0 (WriteS ts 0
Normal operation of Indigo is unwarrantable when CLK is outside regulations.
Figure 16-16 CLK abnormality handling
Chattering was generated.
D B #2 D B #3 C MD C MD
(D m yWrite (D m yWrite
D T23-16 D T31-24
HOS T S TA TUS S TA TUS
(WriteS ts 0 (WriteS ts 0
It continues until the communication is completed.
temporarily reached a fixed value.
D B #2 D B #3 C MD C MD
(D m yWrite (D m yWrite
D T23-16 D T31-24
HOS T DO S TA TUS S TA TUS
(WriteS ts 0 (WriteS ts 0
S TA TUS S TA TUS S TA TUS S TA TUS
(WriteS ts 0 (WriteS ts 1
HOS T
Nex t Read or Write Reques t (A c c es s )
C MD C MD
(D m yWrite (D m yWrite
S TA TUS S TA TUS
(WriteS ts 0 (WriteS ts 1
? ?
C MD C MD Nex t Read or Write Reques t (A c c es s )
(D m yWrite (D m yWrite
S TA TUS S TA TUS
(WriteS ts 0 (WriteS ts 1
S TA TUS S TA TUS S TA TUS S TA TUS
(WriteS ts 0 (WriteS ts 0 (WriteS ts 0 (WriteS ts 1
16-11