參數(shù)資料
型號: HD404364
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer(4位單片微計算機)
中文描述: 4位HMCS400系列微機(4位單片微計算機)
文件頁數(shù): 88/115頁
文件大小: 710K
代理商: HD404364
HD404369 Series
88
A/D Start Flag (ADSF: $02C, Bit 2):
One-bit flag that initiates A/D conversion when set to 1. At the
completion of A/D conversion, the converted data is stored in the A/D data register and the A/D start flag is
cleared. Refer to figure 73.
Bit
Initial value
Read/Write
Bit name
3
0
R/W
DTON
2
0
R/W
ADSF
0
0
R/W
LSON
1
0
W
WDON
A/D start flag (ADSF: $020, bit 2)
Refer to the description of operating
modes
DTON
Refer to the description of timers
WDON
Refer to the description of operating
modes
LSON
0
1
A/D conversion completed
A/D conversion started
A/
Figure 73 A/D Start Flag (ADSF)
I
AD
Off Flag (IAOF: $021, Bit 2):
By setting the I
AD
off flag to 1, the current flowing through the
resistance ladder can be cut off even while operating in standby or active mode, as shown in figure 74.
Bit
Initial value
Read/Write
Bit name
3
0
R/W
RAME
2
0
R/W
IAOF
0
0
R/W
ICSF
1
0
R/W
ICEF
I
AD
off flag (IAOF: $021, bit 2)
Refer to the description of operating
modes
RAME
Refer to the description of timers
ICEF
Refer to the description of timers
ICSF
0
1
I
AD
current flows
I
AD
current is cut off
I
AD
Off Flag (IAOF)
Figure 74 I
AD
Off Flag (IAOF)
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