參數(shù)資料
型號(hào): MB88101A
廠商: Fujitsu Limited
英文描述: A/D Converter (With 4-channel Input at 12-bit Resolution)
中文描述: 的A / D轉(zhuǎn)換器(帶有4個(gè)通道輸入的12位分辨率)
文件頁數(shù): 5/18頁
文件大?。?/td> 150K
代理商: MB88101A
5
MB88101A
I
FUNCTIONAL DESCRIPTION
1. Mode 1
This mode sets the DO pin to “L” and stops conversion upon completion of conversion of 12 bits. To restart
conversion, set CS to “H” once then to “L”. In this mode, converted data is output from the MSB.
Timing diagram
2. Mode 2
This mode continues conversion until CS becomes “H” after it becomes “L”. Converted data is output from the
LSB, with the first piece of converted data output 20 clock cycles after CS becomes “L”. Changing the channel
select pin settings before starting sampling of one analog input allows another to be converted.
Timing diagram
CLK
CS
MOD0, 1
C
0
, C
1
DO
Bit
Trial
SAMP
B11
B11
B10 B9 B8
B7 B6 B5 B4 B3 B2
B1 B0
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Sampling
Sampling
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
Hi-z
Hi-z
Hi-z
Hi-z
CS
MOD0, 1
Mode 2
C
0
, C
1
AN
0
AN
2
AN
1
CLK
DO
Bit
Trial
SAMP
Hi-z
Hi-z
Hi-z
Hi-z
16CLK
MSB (AN
0
)
LSB
MSB (AN
2
)
LSB
LSB (AN
0
)
MSB
LSB (AN
2
)
MSB
MSB (AN
1
)
LSB
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