BCM89071A1CUBXGT Datasheet, PDF (58/69 Pages) Cypress Semiconductor – Single-Chip Automotive Grade Bluetooth Transceiver and Baseband Processor

BCM89071 Data Sheet
Timing and AC Characteristics
Table 23: PCM Interface Timing Specifications (Short Frame Synchronization, Slave Mode)
Reference
4
5
6
7
8
9
Characteristics
Minimum
Setup time for PCM_SYNC before falling edge of
50
PCM_BCLK
Hold time for PCM_SYNC after falling edge of PCM_BCLK 10
Hold time of PCM_OUT after PCM_BCLK falling edge –
Setup time for PCM_IN before PCM_BCLK falling edge 50
Hold time for PCM_IN after PCM_BCLK falling edge
10
Delay from falling edge of PCM_BCLK during last bit
–
period
to PCM_OUT becoming high impedance
Maximum Unit
–
ns
–
ns
175
ns
–
ns
–
ns
100
ns
Figure 13: PCM Interface Timing (Short Frame Synchronization, Slave Mode)
1
2
3
PCM_BCLK
4
5
PCM_SYNC
PCM_OUT
PCM_IN
Bit 15 (Previous Frame)
Bit 15 (Previous Frame)
6
Bit 0
7
8
Bit 0
9
Bit 15
HIGH
IMPEDENCE
Bit 15
Broadcom^®
April 16, 2015 • 89071-DS106-R
Baseband Transceiver and Baseband Processor
Page 57