BCM20707 Datasheet, PDF (50/65 Pages) Cypress Semiconductor – Complies with Bluetooth Core Specification version 4.2 including BR/EDR/BLE

BCM20707 Preliminary Data Sheet
Timing and AC Characteristics
Table 20 and Figure 12 show the timing requirements when operating in SPI Mode 0 and 2.
Table 20: SPI Mode 1 and 3
Reference Characteristics
Minimum Maximum Unit
1
Time from slave assert SPI_INT to master assert
0
∞
ns
SPI_CSN (DirectRead)
2
Time from master assert SPI_CSN to slave assert
0
∞
ns
SPI_INT (DirectWrite)
3
Time from master assert SPI_CSN to first clock edge 20
∞
ns
4
Setup time for MOSI data lines
8
5
Hold time for MOSI data lines
8
6
Time from last sample on MOSI/MISO to slave
0
deassert SPI_INT
1_{/2 SCK}
ns
1_{/2 SCK}
ns
100
ns
7
Time from slave deassert SPI_INT to master
0
∞
ns
deassert SPI_CSN
8
Idle time between subsequent SPI transactions
1 SCK
∞
ns
Figure 12: SPI Timing, Mode 1 and 3
SPI_CSN
SPI_INT
(DirectWrite)
SPI_INT
(DirectRead)
2
1
8
6
7
SPI_CLK
(Mode 1)
SPI_CLK
(Mode 3)
SPI_MOSI
-
3
Invalid bit
4
5
First bit
SPI_MISO ^{Not Driven}
Invalid bit
First bit
Last bit
Last bit
-
Not Driven
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May 27, 2016 • 20707-DS206-R
BROADCOM CONFIDENTIAL
Bluetooth SoC
Page 49