Data Sheet

WL1801MOD,
WL1805MO
D
,
WL1831MO
D
,
WL1835MOD
SWRS152M – JULY 2013 – REVISED OCTOBER 2017
www.ti.com
Specifications 23
Copyright © 2013–2017, Texas Instruments Incorporated
Submit Documentation
Feedback
Product Folder Links: WL1801MOD WL1805MOD WL1831MOD
WL1835MOD
S
TR
D0 D1
D2 Dn PAR
STP
Figure 5-10 shows the UART timing.
Figure 5-10. UART Timing
Diagram
Table 5-5 lists the UART timing characteristics.
Table 5-5. UART Timing
Characteristics
PARAMETER
CONDITION MIN TYP MAX UNIT
Baud rate 37.5 4364 Kbps
Baud rate accuracy per byte Receive-transmit –2.5% 1.5%
Baud rate accuracy per bit Receive-transmit –12.5% 12.5%
t3 CTS low to TX_DATA on 0.0 2.0 µs
t4 CTS high to TX_DATA off Hardware flow control
1.0
Byte
t6 CTS high pulse width 1.0
Bit
t1 RTS low to RX_DATA on 0.0 2.0 µs
t2 RTS high to RX_DATA off Interrupt set to 1/4 FIFO
16.0
Bytes
Figure 5-11 shows the UART data frame.
tb
TX
STR-Start-bit; D0..Dn - Data bits (LSB first); PAR - Parity bit (if used) ; STP - Stop-bit
Figure 5-11. UART Data
Frame