BMA253
Data sheet
Page 97
7.1 Serial peripheral interface (SPI)
The timing specification for SPI of the BMA253 is given in the following table:
Table 22: SPI timing
Parameter
Symbol
Condition
Min
Max
10
Units
Max. Load on SDI
or SDO = 25pF,
VDDIO ≥ 1.62V
MHz
Clock Frequency
fSPI
VDDIO < 1.62V
7.5
MHz
ns
ns
ns
ns
SCK Low Pulse
SCK High Pulse
SDI Setup Time
SDI Hold Time
tSCKL
tSCKH
tSDI_setup
tSDI_hold
20
20
20
20
Load = 25pF,
VDDIO ≥ 1.62V
Load = 25pF,
VDDIO < 1.62V
Load = 250pF,
VDDIO > 2.4V
30
50
40
ns
ns
ns
SDO Output Delay
tSDO_OD
CSB Setup Time
CSB Hold Time
tCSB_setup
tCSB_hold
20
40
ns
ns
Idle time between
write accesses, normal
mode, standby mode,
low-power mode 2
Idle time between
write accesses,
suspend mode, low-
power mode 1
tIDLE_wacc_nm
2
µs
µs
tIDLE_wacc_sum
450
BST-BMA253-DS000-01 | Revision 1.0 | August 2015
Bosch Sensortec
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Note: Specifications within this document are subject to change without notice.
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