BCM4354KKWBGT Datasheet, PDF (58/192 Pages) Cypress Semiconductor – Single-Chip 5G Wi-Fi IEEE 802.11ac 2×2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM4354 Data Sheet
UART_CTS_N
1
UART_TXD
UART_RXD
UART_RTS_N
Figure 18: UART Timing
UART Interface
Midpoint of STOP bit
3
2
Midpoint of STOP bit
Table 15: UART Timing Specifications
Ref No.
1
2
3
Characteristics
Minimum
Delay time, UART_CTS_N low to UART_TXD –
valid
Setup time, UART_CTS_N high before midpoint of –
stop bit
Delay time, midpoint of stop bit to UART_RTS_N –
high
Typical
–
–
–
Maximum Unit
1.5
Bit periods
0.5
Bit periods
0.5
Bit periods
Broadcom^®
October 15, 2014 • 4354-DS109-R
BROADCOM CONFIDENTIAL
Page 57