SL8082T R7.53 serial port can not support 921600bit/s!

hi everydody:
now i use the SL8082T R7.53 serial port can not support 921600bit/s !!!
who can help me?
if have release newest firmware to support the 921600bit/s
i must use the 921600bit/s in my application…

best regards…

ati3
R7.53.1.A1.201504291449.SL8082TR 1962308 042915 14:49
at+ipr=?
+IPR: (),(300,600,1200,2400,4800,9600,19200,38400,57600,115200,230400)

OK

Hi,
As you can see, SL808xT module supports up to 230400bps on the UART.

-Alex