参数资料
| 型号： | ARD00280 |
| 厂商： | Microchip Technology |
| 文件页数： | 23/50页 |
| 文件大小： | 0K |
| 描述： | KIT REF DESIGN PIC18F87J72 1PH |
| 设计资源： | PIC18F87J72 BOM PIC18F87J72 Schematics PIC18F87J72 Gerber Files |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电度表/功率表 |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | PIC18F87J72 |
| 主要属性： | 单相分流电度表 |
| 已供物品： | 板 |
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Calculation Engine and Register Description
3.5
CAL_CONTROL
This is the CAL_CONTROL Calibration mode control register. Bit 0 enables the Cali-
bration mode. In this mode, the power meter operates as normal, but no updates are
made to the voltage, current, power or energy registers as long as bit 1 is low. When
bit 1 is set high, the registers are updated for LINE_CYC line cycles (only power and
energy registers are updated). After this time, bit 1 is set low by the PIC18F87J72 and
the update of the registers will stop. This allows the calibration software to set bit 0,
clear the registers, set bit 1 and start reading the desired registers, as well as the
CAL_CONTROL register, to check the status of bit 1. When bit 1 goes low, the
LINE_CYC line cycles have passed and the registers are final. Note that bit 0 takes
effect immediately, and bit 1 will take effect on the very next line cycle. When bit 1 goes
low, all registers will be ready to read.
REGISTER 3-3:
CAL_CONTROL REGISTER
U-0
U-0
U-0
U-0
U-0
U-0
R/W-0
R/W-0
—
—
—
—
—
Reserved
CAL_UPDATE CAL_MODE
bit 7
Legend:
bit 0
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-3
bit 2
bit 1
bit 0
Note:
Unimplemented: Read as ‘ 0 ’
Reserved:
CAL_UPDATE: Calibration Update bit
Power and energy registers are updated for LINE_CYC line cycles when cleared. Bit must be set for
registers to begin updating, which starts on the next line cycle after bit is set.
1 = When CAL_MODE bit is set, set CAL_UPDATE bit to enable update of power and energy
registers starting on next line cycle. Bit = 1 Single-Point Phase Correction
0 = When CAL_MODE bit and CAL_UPDATE bit have been set, CAL_UPDATE bit will be cleared
after the LINE_CYC line cycles. At that point, all registers will be updated and no further updates
will be done until CAL_UPDATE bit is set again or CAL_MODE bit is cleared.
CAL_MODE: Calibration Mode bit
This bit enables Calibration mode.
1 = Calibration mode enabled
0 = Calibration mode disabled
This register is used in “Multi-Point and Single-Point Calibration” modes only.
? 2011 Microchip Technology Inc.
DS51931A-page 23
相关PDF资料 |
PDF描述 |
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| AS168X-CB3G300 | CIRCUIT BRKR THERMAL 30.0A 3POLE |
| AS5163 CB | BOARD CONNECTION AS5163 |
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