BCM89071A1CUBXGT Datasheet, PDF (61/69 Pages) Cypress Semiconductor – Single-Chip Automotive Grade Bluetooth Transceiver and Baseband Processor

BCM89071 Data Sheet
Timing and AC Characteristics
BSC Interface Timing
Table 26: BSC Interface Timing Specifications
Reference Characteristics
Minimum Maximum Unit
1
Clock frequency
2
START condition setup time
–
100
kHz
400
800
1000
650
–
ns
3
START condition hold time
4
Clock low time
280
–
ns
650
–
ns
5
Clock high time
6
Data input hold time^a
7
Data input setup time
280
–
ns
0
–
ns
100
–
ns
8
STOP condition setup time
9
Output valid from clock
280
–
ns
–
400
ns
10
Bus free time^b
650
–
ns
a. As a transmitter, 300 ns of delay is provided to bridge the undefined region of the falling edge of SCL to avoid
unintended generation of START or STOP conditions
b. Time that the cbus must be free before a new transaction can start.
Figure 16: BSC Interface Timing Diagram
SCL
2
SDA
IN
SDA
OUT
1
5
3
4
67
9
8
10
Broadcom^®
April 16, 2015 • 89071-DS106-R
Baseband Transceiver and Baseband Processor
Page 60