IC89E54 Datasheet, PDF (18/36 Pages) Integrated Circuit Solution Inc – 8-BITS SINGLE MICROCONTROLLER with 16/32/64-Kbytes of FLASH, 256 byte +512 byte RAM

IC89E54/58/64
Power Control Register
PCON(87H) :
B7
B6
B5
Flag Name SMOD
-
-
B4
B3
B2
B1
B0
-
GF1
GF0
PD
IDL
Bit
Name
7
SMOD
6-4 -
3
GF1
2
GF0
1
PD
0
IDL
Description
Double baud rate bit. If Timer 1 is used to generate baud rate and SMOD=1, the baud rate is
doubled when the serial port is used in modes 1, 2, or 3.
These bits are reserved.
General purpose flag bit.
General purpose flag bit.
Power down bit. Setting this bit activates power down operation in the IC89E54/58/64.
Idle mode bit. Setting this bit activate idle mode operation in the 89E54/58/64.
If 1s are written to PD and IDL at the same time, PD takes precedence.
18
Integrated C ircuitSolution Inc.
MC012-0C 11/16/2001