ml7074-003 Oki Semiconductor, ml7074-003 Datasheet - Page 16

• Manufacturer Part Number: ml7074-003
• Description: Dual Echo Canceler & Noise Canceler With Dual Codec For Hands-free Msm7731-02dual Echo Canceler & Noise Canceler With Dual Codec For Hands-free
• Manufacturer: Oki Semiconductor

Digital Interface Characteristics (1/3)
Note*2: Applies to the following pins/control bits:
OKI Semiconductor
Power-down/Reset Signal
Pulse Width
Power-down/Reset Start
Time
Power down/Reset End Time
Power-down/Reset Internal
Setting Time
Control Pulse Width
Control Start Time
Control End Time
Pin/control bit
Internal operation
SYNC (Ext. clock)
BCLK (Ext. clock)
PDN/RST control bit
PDN/RST pin
PDN/RST control bit
Internal Operation
PCMO, PCMEO
LINEEN, SLPTHR, NCTHR, GLPADTHR, TPAD6-1, RPAD6-1, RST, ATHR, AATT, AHLD, AHD,
AGC, LTHR, LATT, LHLD, LHD, LGC pins, and control bits.
Parameter
Symbol
t
t
t
t
t
t
t
PARW
RSTW
PDND
PDNH
PDNS
PARD
PARH
PDN/RST pin
PDN/RST control bit
PDN/RST pin and
PDN/RST control bit
PDN/RST pin and
PDN/RST control bit
SYNC pin (input mode)
(*2)
PDN/RST set timing
Control Timing (*2)
PDN/RST Timing
Condition
t
PDND
Internal processing
T
t
PARD
RSTW
t
PDNS
t
Power Down
PARW
(V
Min.
140
250
1.6
—
—
—
—
1
DD
= 2.7 to 3.6 V, Ta = –40 to +85°C)
Hi-Z
t
PDNH
Typ.
—
—
—
—
—
—
—
α: Crystal activation
t
PARH
200+α
Max.
180
250
250
—
50
—
(Internal Write)
FEDL7731-02-11
Initial Mode
MSM7731-02
Unit
mS
µS
µS
µS
µS
µS
nS
16/54