參數(shù)資料
型號: HD404358S
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer
中文描述: 4位HMCS400系列微機
文件頁數(shù): 75/100頁
文件大?。?/td> 398K
代理商: HD404358S
HD404358 Series
75
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 67.
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 67 I
AD
Off Flag (IAOF)
A/D Data Register (ADRL: $017, ADRU: $018):
Eight-bit read-only register consisting of a 4-bit lower
digit and 4-bit upper digit. This register is not cleared by reset. After the completion of A/D conversion, the
resultant eight-bit data is held in this register until the start of the next conversion (figures 68, 69, and 70).
3
2
1
0
MSB
LSB
3
2
1
0
Bit 0
Bit 7
ADRU: $018
ADRL: $017
Figure 68 A/D Data Registers (ADRU, ADRL)
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