Fujitsu FR81S User Manual

Page of 2342
CHAPTER 44: 12-BIT A/D CONVERTER 
 
 
5. Operation 
 
FUJITSU SEMICONDUCTOR LIMITED 
CHAPTER : 12-BIT A/D CONVERTER 
FUJITSU SEMICONDUCTOR CONFIDENTIAL 
96 
Figure 5-20 Operation of high priority activation factor request by other activation channel 
when continuous scan is converted 
[Channel composition information]
    Start channel N, N+1, and N+2: There are a repetition mode and a security function, and software is started (The N?N+2 
channel is converted the scanning). 
    Start channel N+3:Single mode and compare agreement start
N channel
N+1 channel
N+2 channel
N+3 channel
stop
A/D conversion
During 
conversion(N)
During 
conversion(N+1)
During 
conversion(N+2)
During 
conversion(N)
During 
conversion(N
+1)
During 
conversion(N+3)
During 
conversion(N+1)
During 
conversion(
N+2)
stop
Activation trigger
Data register N lead ( & interruption N clearness)
Data register N+1 lead ( & interruption N+1 clearness)
Data register N+2 lead ( & interruption N+2 clearness)
The conversion of N+1 is interrupted, and the 
priority control of the conversion of N+3. 
The conversion of N+1 
is started again. 
 
 
MB91520 Series
MN705-00010-1v0-E
1899