IC-TW8_16 Datasheet, PDF (12/67 Pages) IC-Haus GmbH – 16-BIT SIN/COS INTERPOLATOR

iC-TW8 16-BIT SIN/COS INTERPOLATOR
WITH AUTO-CALIBRATION
Rev C2, Page 12/67
OPERATING REQUIREMENTS: SPI Interface
Operating Conditions: AVDD = DVDD = +3.1 ... +5.5 V, AVSS = DVSS = 0 V, Tj = -40...125 °C
Item Symbol Parameter
No.
Conditions
SPI Interface Timing
I001 txSS_set Setup Time: SPI_xSS hi → lo before
SPI_SCLK lo → hi
I002 txSS_hold Hold Time: SPI_xSS lo after SPI_SCLK
lo → hi
I003 txSS_hi SPI_xSS Signal Duration hi
I004 tSI_set
Setup Time: SPI_SI stable before
SPI_SCLK lo → hi
I005 tSI_hold
I006 f(SCLK)
Hold Time: SPI_SI stable after
SPI_SCLK lo → hi
SPI_SCLK Clock Frequency
AVDD = DVDD = +4.5 ... +5.5 V, fosc = 32 MHz
AVDD = DVDD = +3.1 ... +5.5 V, fosc = 24 MHz
I007 tC_hi
SPI_SCLK Signal Duration hi
I008 tC_lo
SPI_SCLK Signal Duration lo
I009 tSO_p
Propagation Delay:
SPI_SO stable after SPI_SCK hi → lo
I010 tSO_p2
Propagation Delay:
SPI_SO high impedance after
SPI_xSS lo → hi
Min.
15
25
15
5
10
10
10
Unit
Max.
ns
ns
ns
ns
ns
24
MHz
20
MHz
ns
ns
20
ns
20
ns
SPI_xSS
input
SPI_xSS
input
SPI_SCLK
input
SPI_SCLK
input
SPI_SI
input
SPI_SI
input
SPI_SO
output
SPI_SO
output
SPI_xSS
input
SPI_xSS
i_Sn_Ppu_{I_}t _SCLK
SⁱⁿP^pI^u_^tSCLK
input
SPI_SI
input
SPI_SI
input
SPI_SO
output
SPI_SO
output
t_{xSS_set}
t_{xSS_set}
MSB in
t_{SI_set}
t_{SI_set}
t_{SI_hold}
t_{SI_hold}
MSB in
tristate
tristate
t_{C_hi}
t_{C_hi}
t_{C_lo}
t_{C_lo}
t_{xSS_hold}
t_{xSS_hold}
LSB in
LSB in
Figure 4: SPI Write Timing.
t_{C_hi}
t_{C_hi}
t_{C_lo}
t_{C_lo}
t_{xSS_hold}
t_{xSS_hold}
t_{xSS_hi}
t_{xSS_hi}
t_{xSS_hi}
t_{xSS_hi}
don’t care
d^to^Sn^O’t^_pcare
t_{SO_p}
t_{SO_p MSB out} t_{SO_p}
MSB out
LSB out
t_{SO_p2}
t_{SO_p2}
LSB out
Figure 5: SPI Read Timing.