參數(shù)資料
型號(hào): AS3502
廠(chǎng)商: AUSTRIAMICROSYSTEMS AG
元件分類(lèi): 圓形連接器
英文描述: Circular Connector; No. of Contacts:3; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:22; Circular Contact Gender:Pin; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:22-9 RoHS Compliant: No
中文描述: 13位線(xiàn)性編解碼器特征與模擬前端模塊
文件頁(yè)數(shù): 19/29頁(yè)
文件大小: 364K
代理商: AS3502
REV. M
Page 19
September 1998
AS3502
14) FREQUENCY CONTROL REGISTER 3
This register contains eight bits of the 10-bit coefficient of the third frequency.
F3
D7
D6
D5
D4
D3
D2
D1
D0
Name
F37
F36
F35
F34
F33
F32
F31
F30
Default
X
X
X
X
X
X
X
X
Bit No
Symbol
Name and Description
D7-D0
F37-F30
A 10-bit coefficient (X) written into this register and into bits D0 and D1 of V3 allows to
programme the third frequency from 3.9 Hz to 3996 Hz. The coefficient in decimal
format for a given frequency can be calculated as:
X
=
f
(
Hz
)* 256
1000
; X = (1…1023)
15) VOLUME CONTROL REGISTER 3
This register contains two bits of the third frequency coefficient and tone ringer volume mode control bits.
V3
D7
D6
D5
D4
D3
D2
D1
D0
Name
0
0
0
0
PS
PW
F39
F38
Default
X
X
X
X
X
X
X
X
Bit No
Symbol
Name and Description
D3
PS
Pulse Width Slow Bit. When set to High the pulse width step size is 4 μs. When set to
Low the pulse width step size is 1 μs.
Tone Ringer Volume Control Mode Bit. When set to Low pulse density volume control
is selected. When set to High pulse width volume control is selected.
These bits are the two most significant bits of the 10-bit frequency coefficient.
D2
PW
D1-D0
F29-F28
16) REPETITION PERIOD REGISTER
RP
D7
D6
D5
D4
D3
D2
D1
D0
Name
RP7
RP6
RP5
RP4
RP3
RP2
RP1
RP0
Default
X
X
X
X
X
X
X
X
Bit No
Symbol
Name and Description
D7-D0
RP7-RP0
An 8-bit value written into this register allows to set the repetition period with 32ms
accuracy.
X
=
Time
(
ms
)
32
ms
1; X= (1…255)
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