參數(shù)資料
型號(hào): X96012V14I
廠商: INTERSIL CORP
元件分類: 模擬信號(hào)調(diào)理
英文描述: Universal Sensor Conditioner with Dual Look Up Table Memory and DACs
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO14
封裝: PLASTIC, MO-153AC, TSSOP-14
文件頁數(shù): 13/27頁
文件大小: 383K
代理商: X96012V14I
13
FN8216.0
March 10, 2005
I2DS: C
URRENT
G
ENERATOR
2 D
IRECTION
S
ELECT
B
IT
(N
ON
-
VOLATILE
)
The I2DS bit sets the polarity of Current Generator 2,
DAC2. When this bit is set to “0” (default), the Current
Generator 2 of the X96012 is configured as a Current
Source. Current Generator 2 is configured as a Cur-
rent Sink when the I2DS bit is set to “1”. See Figure 8.
Control Register 1
This register is accessed by performing a Read or Write
operation to address 81h of memory. This byte’s volatility
is determined by bit NV1234 in Control register 0.
L1DA5 - L1DA0: LUT1 D
IRECT
A
CCESS
B
ITS
When bit L1DAS (bit 4 in Control register 5) is set to
“1”, LUT1 is addressed by these six bits, and it is not
addressed by the output of the on-chip A/D converter.
When bit L1DAS is set to “0”, these six bits are ignored
by the X96012. See Figure 10.
A value between 00h (00
10
) and 3Fh (63
10
) may be writ-
ten to these register bits, to select the corresponding row
in LUT1. The written value is added to the base address
of LUT1 (90h).
Control Register 2
This register is accessed by performing a read or write
operation to address 82h of memory. This byte’s vola-
tility is determined by bit NV1234 in Control register 0.
L2DA5 - L2DA0: LUT2 D
IRECT
A
CCESS
B
ITS
When bit L2DAS (bit 6 in Control register 5) is set to
“1”, LUT2 is addressed by these six bits, and it is not
addressed by the output of the on-chip A/D converter.
When bit L2DAS is set to “0”, these six bits are ignored
by the X96012. See Figure 10.
A value between 00h (00
10
) and 3Fh (63
10
) may be writ-
ten to these register bits, to select the corresponding row
in LUT2. The written value is added to the base address
of LUT2 (D0h).
Control Register 3
This register is accessed by performing a Read or Write
operation to address 83h of memory. This byte’s volatility
is determined by bit NV1234 in Control register 0.
D1DA7 - D1DA0: D/A 1 D
IRECT
A
CCESS
B
ITS
When bit D1DAS (bit 5 in Control register 5) is set to
“1”, the input to the D/A converter 1 is the content of
bits D1DA7 - D1DA0, and it is not a row of LUT1.
When bit D1DAS is set to “0” (default) these eight bits
are ignored by the X96012. See Figure 9.
Control Register 4
This register is accessed by performing a Read or Write
operation to address 84h of memory. This byte’s volatil-
ity is determined by bit NV1234 in Control register 0.
D2DA7 - D2DA0: D/A 2 D
IRECT
A
CCESS
B
ITS
When bit D2DAS (bit 7 in Control register 5) is set to
“1”, the input to the D/A converter 1 is the content of
bits D2DA - D2DA0, and it is not a row of LUT2. When
bit D2DAS is set to “0” (default) these eight bits are
ignored by the X96012. (See Figure 9).
Control Register 5
This register is accessed by performing a Read or
Write operation to address 85h of memory.
I1FSO1 - I1FSO0: C
URRENT
G
ENERATOR
1 F
ULL
S
CALE
O
UTPUT
S
ET
B
ITS
(N
ON
-
VOLATILE
)
These two bits are used to set the full scale output cur-
rent at the Current Generator 1 pin, I1. If both bits are
set to “0” (default), an external resistor connected
between pin R1 and Vss, determines the full scale out-
put current available at pin I1. The other three options
are indicated in the table below. The direction of this
current is set by bit I1DS in Control register 0. See
Figure 8.
*No external resistor should be connected in these cases between
R1 and V
SS
.
I1FSO1
0
0
1
1
I1FSO0
0
1
0
1
I1 Full Scale Output Current
Set externally via pin R1 (Default)
±
0.4mA*
±
0.85 mA*
±
1.3 mA*
X96012
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