msm7630 Oki Semiconductor, msm7630 Datasheet - Page 11

• Manufacturer Part Number: msm7630
• Description: Universal Speech Processor
• Manufacturer: Oki Semiconductor

¡ Semiconductor
Note 1
Note 2
Note 3
Note 4
Serial Interface
Parallel Interface
RTS Delay Time
Required RXD Time
RXD Setup Time
RXD Hold Time
CTS Setup Time
CTS Hold Time
TXD Delay Time
TXD Pulse Width
DTR Delay Time
SCLK Delay Time
SCLK Pulse Width
PACK to PD Delay Time
PACK to PD Hi Z Delay Time
PCS Setup Time for PSTB/PACK
PCS Hold Time for PSTB/PACK
PIOA Setup Time for PSTB/PACK
PIOA Hold Time for PSTB/PACK
Required PACK Time
Required PSTB Time
PD Setup Time for PSTB
PD Hold Time for PSTB
Parameter
Parameter
According to DRAM configuration
By the DRAM access timing
In the case of writing, increased by 1 clock when X bit = 0 and by 2 clocks when X bit
= 1.
Flash memory access timing is the same with the SRAM timing.
Symbol
Symbol
t
t
t
t
t
t
t
t
t
t
W_SCLK
t
W_PACK
W_PSTB
t
t
W_RXD
W_TXD
S_PIOA
H_PIOA
S_RXD
H_RXD
t
t
t
t
t
H_CTS
H_PCS
S_CTS
S_PCS
t
t
t
SCLK
PACK
PRDZ
S_PD
H_PD
RTS
TXD
DTR
Condition
Condition
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
30 + 2 t
30 + t
0.5/bps
0.5/bps
1/bps
1/bps
1/bps
–t
Min.
Min.
—
—
—
—
—
—
0
0
0
0
0
3
CYC
8
(V
(V
CYC
CYC
DD
DD
= 3.0 to 3.6 V, T
= 3.0 to 3.6 V, T
Typ.
Typ.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
OPE
OPE
Max.
Max.
20
—
—
—
—
—
20
—
20
20
—
22
22
—
—
—
—
—
—
—
—
= –40 to +85°C)
= –40 to +85°C)
MSM7630
11/95
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
s
s