參數(shù)資料
型號: M38049FFSP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機(jī)
文件頁數(shù): 68/135頁
文件大?。?/td> 2055K
代理商: M38049FFSP
68
3803/3804 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
D-A CONVERTER
The 3803/3804 group has two internal D-A converters (DA1 and
DA2) with 8-bit resolution.
The D-A conversion is performed by setting the value in each D-A
conversion register. The result of D-A conversion is output from
the DA
1
or DA
2
pin by setting the DA output enable bit to
1
.
When using the D-A converter, the corresponding port direction
register bit (P3
0
/DA
1
or P3
1
/DA
2
) must be set to
0
(input status).
The output analog voltage V is determined by the value n (decimal
notation) in the D-A conversion register as follows:
V = V
REF
n/256 (n = 0 to 255)
Where V
REF
is the reference voltage.
At reset, the D-A conversion registers are cleared to
00
16
, and
the DA output enable bits are cleared to
0
, and the P3
0
/DA
1
and
P3
1
/DA
2
pins become high impedance.
The DA output does not have buffers. Accordingly, connect an ex-
ternal buffer when driving a low-impedance load.
Fig. 60 Block diagram of D-A converter
Fig. 61 Equivalent connection circuit of D-A converter (DA1)
P
3
0
/
D
A
1
D
-
A
1
c
o
n
v
e
r
s
i
o
n
r
e
g
i
s
t
A
1
e
r
(
8
)
R
-
2
R
r
e
s
i
s
t
o
r
l
a
d
d
e
r
D
o
u
t
p
u
t
e
n
a
b
l
e
b
i
t
P
3
1
/
D
A
2
D
-
A
2
c
o
n
v
e
r
s
i
o
n
r
e
g
i
s
t
A
2
e
r
(
8
)
R
-
2
R
r
e
s
i
s
t
o
r
l
a
d
d
e
r
D
o
u
t
p
u
t
e
n
a
b
l
e
b
i
t
D
a
t
a
b
u
s
A
V
S
S
V
REF
0
1
M
S
B
0
1
R
2R
R
2R
R
2R
R
2R
R
2R
R
2R
R
2R
2R
S
L
B
2R
P
3
0
/
D
A
1
D-A1 conversion register
DA
1
output enable bit
相關(guān)PDF資料
PDF描述
M38063M6-181GP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38067ECFP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38062M3-156FP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38062M3-158FP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38063M6-255FP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M38049RLSS 功能描述:DEV EMULATOR CHIP RAM 2KB 64SDIP RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 內(nèi)電路編程器、仿真器以及調(diào)試器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 19/Jul/2010 標(biāo)準(zhǔn)包裝:1 系列:* 類型:* 適用于相關(guān)產(chǎn)品:* 所含物品:*
M3806 功能描述:電纜固定件和配件 LTSCG 625 BLACK RoHS:否 制造商:Heyco 類型:Cable Grips, Liquid Tight 材料:Nylon 顏色:Black 安裝方法:Cable 最大光束直徑:11.4 mm 抗拉強(qiáng)度:
M3806 BK001 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 1000'
M3806 BK002 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 500'
M3806 BK005 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 100'