Fujitsu FR81S User Manual
CHAPTER 40: MULTI-FUNCTION SERIAL INTERFACE
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : MULTI-FUNCTION SERIAL INTERFACE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
94
[bit0] TMRE: Serial timer enable bit
This bit is used to enable or disable the operation of the serial timer.
TMRE
Serial timer enable bit
0
The operation of the serial timer will be stopped
During stop, the value of the serial timer register (STMR) will be retained.
1
If this bit is changed from "0" to"1", the value of the serial timer register (STMR) will
be initialized to "0", and the operation of the serial timer will be started.
Notes:
⋅
When an external trigger is enabled (TRGE="1"), the serial timer will not start operation until an edge of
the external trigger set by the trigger select bits (SAGSR:TRG1, 0) is detected, even if this bit is set to
"1".
⋅
To perform synchronous transmission by the serial timer, or perform transmission by an external trigger,
change this bit under one of the following conditions:
⋅
Transmission disabled (SCR:TXE="0")
⋅
Transmission bus idle (SSR:TBI="1")
MB91520 Series
MN705-00010-1v0-E
1407