ml2251 Oki Semiconductor, ml2251 Datasheet - Page 21
ml2251
Manufacturer Part Number
ml2251
Description
2-channel Mixing Oki Adpcm Algorithm-based Speech Synthesis Lsi
Manufacturer
Oki Semiconductor
Datasheet
1.ML2251.pdf
(35 pages)
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Status Read Timing
Table below shows the contents of each data output when reading the status of the channels.
The BUSY 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 BUSY 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.
command processing. After the command processing is completed, D7-D0 pins output ”H” level.
OKI Semiconductor
To read out a status after inputting Flash I/F command for ML22Q54/Q58, D7-D0 pins output “L” level during
D7 to D0 (I/O)
CS (I)
RD (I)
Pin
D7
D6
D5
D4
D3
D2
D1
D0
“L” level
“L” level
“L” level
“L” level
Channel 2 busy output ( BUSY2 )
Channel 1 busy output ( BUSY1 )
Channel 2 NCR output (NCR2)
Channel 1 NCR output (NCR1)
Output status signal
Data Stable
FEDL2250DIGEST-06
ML2250 family
21/35
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