SI2404 SILABS [Silicon Laboratories], SI2404 Datasheet - Page 8

• Manufacturer Part Number: SI2404
• Description: V.90, V.34, V.32BIS, V.22BIS ISOMODEM WITH GLOBAL DAA
• Manufacturer: SILABS [Silicon Laboratories]

Si2457/34/15/04
8
CTS
RTS
8-B it Data
M ode
9-B it Data
M ode
R X
T X
t
t
R TS
R TS
UART Timing for Modem Transmit Path (9N1 Mode with 9th Bit Escape)
t
R TH
S tart
S tart
Figure 2. Asynchronous UART Serial Interface Timing Diagram
UART Time for Modem Receive Path (8N1 Mode)
D0
D0
D1
D1
D2
D2
D3
D3
Rev. 1.0
D4
D4
D5
D5
D6
D6
D7
D7
E S C
S top
S top
t
CTH