FEDL2250DIGEST-09

OKI Semiconductor

ML2250 family

22/36

Status Read Timing

Data Stable

CS

(I)

RD

(I)

D7 to D0 (I/O)

Table below shows the contents of each data output when reading the status of the channels.

Pin

Output status signal

D7

“L” level

D6

“L” level

D5

“L” level

D4

“L” level

D3

Channel 2 busy output (BUSY2)

D2

Channel 1 busy output (BUSY1)

D1

Channel 2 NCR output (NCR2)

D0

Channel 1 NCR output (NCR1)

The ÞËÍÇ signal outputs “L” level when either a command is being processed or the playback of a pertinent

channel is going on. In other states, the ÞËÍÇ signal outputs “H” level.

The NCR signal outputs “L” level when either a command is being processed or a pertinent channel is in standby

for playback. In other states, the NCR signal outputs “H” level.

To read out a status after inputting Flash I/F command for ML22Q54/Q58, D7-D0 pins output “L” level during

command processing. After the command processing is completed, D7-D0 pins output ”H” level.