TC94A48FG Datasheet, PDF (30/36 Pages) Toshiba Semiconductor – Single-chip Audio Digital Signal Processor

TC94A48FG
Microcontroller Interface
Normal Transmission Mode (/MICS, /MICK, /MIDIO, MILP, /MIACK)
Characteristics
Symbol
Test Condition
Min. Typ. Max. Unit
Standby time
/MICS fall to /MICK rise setup time
/MIACK fall to /MICK rise setup time
/MICK clock cycle
/MICK “L” duration
/MICK “H” duration
/MICK rise to /MILP fall setup time
MILP “L” duration
/MIDIO input data setup time
/MIDIO input data hold time
/MIDIO output data delay
/MICS “H” duration
/MIACK output delay
MILP rise to /MICS rise setup time
t_STB
t₁
t₂
t₃
t₄
t₅
t₆
t₇
t₈
t₉
t₁₀
t₁₁
t₁₂
t₁₃
⎯
20
⎯
⎯
ms
⎯
0.5
⎯
⎯
⎯
0.5
⎯
⎯
⎯
1.0
⎯
0.5
⎯
⎯
⎯
0.5
⎯
⎯
⎯
0.5
⎯
⎯
⎯
0.5
⎯
⎯
µs
⎯
0.5
⎯
⎯
⎯
0.5
⎯
⎯
⎯
⎯
⎯
0.5
⎯
0.5
⎯
⎯
⎯
⎯
⎯
1.0
⎯
0.5
⎯
⎯
Note 17: The /MIACK output timing and /MIACK "H" duration vary with the firmware.
I²C Mode (/MICK, /MIDIO)
Characteristics
/MICK clock frequency
/MICK “H” duration
/MICK “L” duration
Data setup time
Data hold time
Transmission start condition hold time
Repeated transmission start condition
setup time
Transmission end condition setup
time
Data transmission interval
I²C rise time
I²C fall time
Symbol
f_IFCK
t_H
t_L
t_DS
t_DH
t_SCH
t_SCS
Test Condition
C_L = 400 pF
C_L = 400 pF
C_L = 400 pF
C_L = 400 pF
C_L = 400 pF
C_L = 400 pF
C_L = 400 pF
t_ECS
t_BUF
t_R
t_F
C_L = 400 pF
C_L = 400 pF
C_L = 400 pF
C_L = 400 pF
Min. Typ. Max. Unit
0
⎯ 400 kHz
0.6
⎯
⎯
1.3
⎯
⎯
0.2
⎯
⎯
0
⎯
0.9
0.6
⎯
⎯
0.6
⎯
⎯
µs
0.6
⎯
⎯
1.3
⎯
⎯
⎯
⎯
0.3
⎯
⎯
0.3
30
2005-09-28