TL16C550D_09 Datasheet, PDF (18/54 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL

TL16C550D, TL16C550DI
SLLS597E – APRIL 2004 – REVISED DECEMBER 2008 .................................................................................................................................................. www.ti.com
MODEM CONTROL SWITCHING CHARACTERISTICS⁽¹⁾
over recommended ranges of supply voltage and operating free-air temperature, C_L = 75 pF
PARAMETER
ALT. SYMBOL
TEST CONDITIONS
t_d22 Delay time, WR2 MCR to output
t_d23 Delay time, modem interrupt to set INTRPT
t_d24 Delay time, RD2 MSR to reset INTRPT
t_MDO
t_SIM
t_RIM
See Figure 15
See Figure 16
See Figure 16
t_d25 Delay time, CTS low to SOUT↓
See Figure 17
t_d26 Delay time, RCV threshold byte to RTS↑
See Figure 18
t_d27 Delay time, read of last byte in receive FIFO to RTS↓
See Figure 18
t_d28 Delay time, first data bit of 16th character to RTS↑
See Figure 19
t_d29 Delay time, RBRRD low to RTS↓
See Figure 19
(1) THRE = transmitter holding register empty
MIN MAX UNIT
50 ns
35 ns
40 ns
24
baudout
cycles
2
baudout
cycles
2
baudout
cycles
2
baudout
cycles
2
baudout
cycles
PARAMETER MEASUREMENT INFORMATION
Figure 5. Baud Generator Timing Waveforms (for PT and PFB Packages Only)
18
Submit Documentation Feedback
Copyright © 2004–2008, Texas Instruments Incorporated
Product Folder Link(s): TL16C550D TL16C550DI