參數(shù)資料
型號(hào)： M37905M4C-XXXFP
廠商： Mitsubishi Electric Corporation
英文描述： 16 BIT CMOS MICROCOMPUTER
中文描述： 16位CMOS微機(jī)
文件頁(yè)數(shù)： 70/102頁(yè)
文件大小： 881K
代理商： M37905M4C-XXXFP
70
M37905M4C-XXXFP, M37905M4C-XXXSP
M37905M6C-XXXFP, M37905M6C-XXXSP
M37905M8C-XXXFP, M37905M8C-XXXSP
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 79 Bit configuration of A-D control register 1
Fig. 80 Bit configuration of A-D control register 2
Notes 1:
Invalid in the one-shot mode and repeat mode. (Each of these bits may be
“
0
”
or
“
1
”
.)
2:
When using pin AN
7
, make sure that the D-A
0
output enable bit (bit 0 at address 96
16
) =
“
0
”
(output disabled).
3:
Once this bit is cleared from
“
1
”
to
“
0
”
, it is necessary to wait for 1 μs or more before the A-D conversion starts.
4:
Rewriting to each bit of the A-D control register 1 must be performed while A-D conversion is stopped.
0
A-D sweep pin select bits
(Note 1)
(Valid in the single sweep mode and repeat sweep mode.)
0 0 : AN
0
, AN
1
(2 pins)
0 1 : AN
0
–
AN
3
(4 pins)
1 0 : AN
0
–
AN
4
(5 pins)
1 1 : AN
0
–
AN
7
(8 pins)
(Note 2)
A-D operation mode select bit 1
0: Modes other than repeat sweep mode 1
1: Repeat sweep mode 1
Resolution select bit
0: 8-bit resolution mode
1: 10-bit resolution mode
A-D conversion frequency (
φ
AD
) select bit 1
Fix this bit to
“
0
”
.
V
REF
connection select bit
(Note 3)
0 : V
REF
is connected.
1 : V
REF
is disconnected.
“
0
”
at read.
7
6
5
4
3
2
1
0
A-D control register 1
Address
1F
16
A-D conversion frequency (
φ
AD
) select bit
Bit 1
0
0
0
1
1
1
0
1
Bit 0
φ
AD
f
2
/4
f
2
/2
f
2
f
1
(Selectable only in 8-bit resolution mode)
7
0
6
0
5
0
4
0
3
2
1
0
Analog input select bits
(Note 1)
(Valid in the one-shot mode and repeat mode)
0xxx : AN
0
–
AN
7
1000 : AN
8
(Note 2)
1001 : AN
9
1010 : AN
10
1011 : AN
11
1100 : Do not select.
1101 : Do not select.
1110 : Do not select.
1111 : Do not select.
Notes 1:
Invalid in the single sweep mode and repeat sweep mode 0 (Each of these bits may be
“
0
”
or
“
1
”
.)
2:
When using pin AN
8
, make sure that the D-A
1
output enable bit (bit 1 at address 96
16
) =
“
0
”
(output disabled).
3:
Rewriting to each bit of the A-D control register 2 must be performed while A-D conversion is stopped.
A-D control register 2
Address
DB
16
相關(guān)PDF資料
PDF描述
M37905M4C-XXXSP 16 BIT CMOS MICROCOMPUTER
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