Texas Instruments SimpleLink CC2652PSIP Manual page 20

CC2652PSIP
SWRS263A – FEBRUARY 2021 – REVISED JUNE 2022
8.14.3.5 32 kHz RC Oscillator (RCOSC_LF)
Measured on a CC2652xSIP-EM
Calibrated frequency
Temperature coefficient.
(1) When using RCOSC_LF as source for the low frequency system clock (SCLK_LF), the accuracy of the SCLK_LF-derived Real Time
Clock (RTC) can be improved by measuring RCOSC_LF relative to XOSC_HF and compensating for the RTC tick speed. This
functionality is available through the TI-provided Power driver.
8.14.4 Synchronous Serial Interface (SSI) Characteristics
8.14.4.1 Synchronous Serial Interface (SSI) Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
NO.
S1 t
clk_per
(1)
S2 t
clk_high
(1)
S3 t
clk_low
(1) Refer to SSI timing diagrams Figure 8-1, Figure 8-2, and Figure 8-3.
(2) When using the TI-provided Power driver, the SSI system clock is always 48 MHz.
SSIClk
SSIFss
SSITx
SSIRx
Figure 8-1. SSI Timing for TI Frame Format (FRF = 01), Single Transfer Timing Measurement
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reference design with T = 25 °C, V
c
PARAMETER
SSIClk cycle time
SSIClk high time
SSIClk low time
S1
S2
S3
MSB
Product Folder Links:
= 3.0 V, unless otherwise noted.
DDS
MIN
MIN
12
LSB
4 to 16 bits
CC2652PSIP
www.ti.com
TYP MAX
(1)
32.8
50
TYP MAX UNIT
65024 System Clocks
0.5 t
clk_per
0.5 t
clk_per
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UNIT
kHz
ppm/°C
(2)