Data Sheet

Preliminary Datasheet 40 of 58 002-33419 Rev. **
2021-07-22
AIROC™ Bluetooth® LE module
Timing and AC characteristics
Table 20 and Figure 15 show the timing requirements when operating in SPI Mode 1 and 3.
Figure 15 SPI timing – mode 1 and 3
Table 20 SPI mode 1 and 3
Reference Characteristics Min Max Unit
1 Time from master assert SPI_CSN to first clock edge 45 –
ns
2 Hold time for MOSI data lines 12 ½ SCK
3 Time from last sample on MOSI/MISO to slave deassert SPI_INT 0 100
4 Time from slave deassert SPI_INT to master deassert SPI_CSN 0 –
5 Idle time between subsequent SPI transactions 1 SCK –
2
SPI_CSN
SPI_INT
(DirectWrite)
SPI_CLK
(Mode 1)
SPI_MOSI
Invalid bit
SPI_MISO
Not Driven
Invalid bit
First bit
First bit
Last bit
Last bit
1
3
4
5
Not Driven
SPI_CLK
(Mode 3)
SPI_INT
(DirectRead)