BCM20705 Datasheet, PDF (58/67 Pages) Cypress Semiconductor – Single-Chip Bluetooth Transceiver and Baseband Processor

BCM20705 Data Sheet
Timing and AC Characteristics
UART Timing
Table 21: UART Timing Specifications
Reference Characteristics
1
Delay time, UART_CTS_N low to UART_TXD valid
Minimum
–
2
Setup time, UART_CTS_N high before midpoint of stop bit –
3
Delay time, midpoint of stop bit to UART_RTS_N high –
Maximum
24
10
2
Unit
Baudout
cycles
ns
Baudout
cycles
Figure 12: UART Timing
UART_CTS_N
1
UART_TXD
UART_RXD
UART_RTS_N
Midpoint of STOP
bit
3
2
Midpoint of STOP
bit
Broadcom®
Bluetooth Transceiver and Baseband Processor
November 13, 2014 • MCS20705-DS104-R
Page 57
BROADCOM CONFIDENTIAL