ISD1700 Datasheet, PDF (12/24 Pages) Winbond – Multi-Message Single-Chip Voice Record & Playback Devices

7.2 SPI OPERATION
SS
T_SSS
T_SCKlow
T_SCKhi
SCLK
MOSI
MISO
T_DIS
T_DIH
T_PD
(TRISTATE)
LSB
LSB
ISD1700 SERIES
T_SSH
T_SSmin
MSB
T_DF
MSB
Figure 12.8: SPI Operation
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
SS Setup Time
T_SSS
500
nsec
SS Hold Time
TSSH
500
nsec
Data in Setup Time
Data in Hold Time
Output Delay
Output Delay to HighZ
SS HIGH
T_DIS
T_DIH
TPD
TDF
T_SSmin
200
200
1
nsec
nsec
500
nsec
500
nsec
µsec
SCLK High Time
TSCKhi
400
nsec
SCLK Low Time
TSCKlow
400
nsec
CLK Frequency
F₀
1,000
KHz
Power-Up Delay ^[1]
T_PUD
50
msec
Notes: ^[1] The value shown is based upon 8 kHz sampling frequency. Delay increases proportionally for
slower sampling frequency.
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