Fujitsu FR81S User Manual
CHAPTER 40: MULTI-FUNCTION SERIAL INTERFACE
6. Operation of CSIO
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : MULTI-FUNCTION SERIAL INTERFACE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
187
6.1.6.
Timing of Timer Interrupt and Flag Setting
Timer interrupt is generated when Serial Timer Register (STMR) matched Serial Timer Comparison
Register (STMCR).
⋅
When Serial Timer Register (STMR) matched Serial Timer Comparison Register (STMCR), "1" will be
set to timer interrupt flag (SACSR:TINT).
At this time when the timer interrupt is enabled (SACSR:TINTE="1"), a status interrupt will be
generated.
Figure 6-5 Timer Interrupt Generation Timing
10
0
1
2
・・・
9
10
1
0
STMR
STMCR
TINT
Timer activation
Generation of
status interrupt
status interrupt
MB91520 Series
MN705-00010-1v0-E
1500