參數(shù)資料
型號(hào): FMS2704LT1C
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO24
封裝: TSSOP-24
文件頁(yè)數(shù): 8/39頁(yè)
文件大小: 173K
代理商: FMS2704LT1C
PRODUCT SPECIFICATION
FMS2704/FMS2704L
16
REV. 1.01 12/2/99
Voltage Samples Averaged Register (0x7C)
Voltmeter Calibration Registers (0x7D–7F)
Controller Register Denitions
Note: All controller register values must be postitive.
BIT#
Name
Type
Description
2-0
VAVE
R/W
Number of voltage samples averaged.
000
1
001
2
010
4
011
8
100
16
101
32
110
64
7-3
Register[bit]
Name
Type
Description
0x7D[6]
VOS8
R/W
Voltmeter Offset Polarity. Polarity of VOS7-0
0: Positive.
1: Negative.
Default = 0.
0x7D[5:0]
VSENS13-8
R/W
Voltmeter Sensitivity HI. Upper six bits of the A/D converter sensitivity
(LSB/volt) value programmed into the Voltage Counter Limit Register.
Default = 0x0 (TRSENS = 240). Range 0 to 16383.
0x7E
VSENS7-0
R/W
Voltmeter Sensitivity LO. Lower eight bits of the A/D converter
sensitivity (LSB/volt) value programmed into the Voltage Counter Limit
Register. Default = 0xF0 (TRSENS = 240) for 5mV/LSB. Range 0 to 16383.
0x7F
VOS7-0
R/W
Voltmeter Offset Magnitude. An 8-bit number that offsets the Voltage
ADC output by VOS LSBs with polarity determined by VOS8. Default =
0x00 (VOS = 0) Range = 0 to 255.
Controller Value Registers
Address
Name
Type
Description
0x80
SPEEDLOA7-0
R/W
Controller A low speed
0x81
TLLOA7-0
R/W
Controller A local low temp
0x82
SLOPEAL7-0
R/W
Controller A local slope. (integer + fraction)
0x83
TRLOA17-0
R/W
Controller A remote low temp 1
0x84
SLOPEA17-0
R/W
Controller A remote slope 1. (integer + fraction)
0x85
TRLOA27-0
R/W
Controller A remote low temp 2
0x86
SLOPEA27-0
R/W
Controller A remote slope 2. (integer + fraction)
0x87
SPEEDLOB7-0
R/W
Controller B low speed
0x88
TLLOB7-0
R/W
Controller B local low temp
0x89
SLOPEBL7-0
R/W
Controller B local slope. (integer + fraction)
0x8A
TRLOB17-0
R/W
Controller B remote low temp 1
0x8B
SLOPEB17-0
R/W
Controller B remote slope 1. (integer + fraction)
0x8C
TRLOB27-0
R/W
Controller B remote low temp 2
0x8D
SLOPEB27-0
R/W
Controller B remote slope 2. (integer + fraction)
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