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BCM20707 Datasheet, PDF (51/65 Pages) Cypress Semiconductor – Complies with Bluetooth Core Specification version 4.2 including BR/EDR/BLE
BCM20707 Preliminary Data Sheet
Timing and AC Characteristics
BSC Interface Timing
The specifications in Table 21 references Figure 13.
Table 21: BSC Interface Timing Specifications (up to 1 MHz)
Reference
Characteristics
Minimum Maximum Unit
1
Clock frequency
2
START condition setup time
3
START condition hold time
4
Clock low time
5
Clock high time
6
Data input hold timea
7
Data input setup time
8
STOP condition setup time
9
Output valid from clock
10
Bus free timeb
–
100
kHz
400
800
1000
650
–
ns
280
–
ns
650
–
ns
280
–
ns
0
–
ns
100
–
ns
280
–
ns
–
400
ns
650
–
ns
a. As a transmitter, 125 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 13: BSC Interface Timing Diagram
1
5
SCL
2
SDA
IN
SDA
OUT
4
3
6
7
9
8
10
Broadcom®
May 27, 2016 • 20707-DS206-R
BROADCOM CONFIDENTIAL
Bluetooth SoC
Page 50