ade7953 Analog Devices, Inc., ade7953 Datasheet - Page 61

• Manufacturer Part Number: ade7953
• Description: Single Phase, Multifunction Metering Ic With Neutral Current Measurement Ade7953
• Manufacturer: Analog Devices, Inc.

Bits
8
[10:9]
11
[13:12]
14
15
Table 19. CFMODE Register (Address 0x107)
Bits
[3:0]
[7:4]
8
9
CRC_ENABLE
PWR_LPF_SEL
ZX_I
Reserved
COMM_LOCK
CF1DIS
CF2DIS
Bit Name
ZX_EDGE
Bit Name
CF1SEL
CF2SEL
Default
0
00
0
00
0
1
Default
0000
0000
1
1
Description
0 = CRC is disabled
1 = CRC is enabled
Low-pass filter options
Setting
00
01
10
11
0 = ZX_I is based on Current Channel A
1 = ZX_I is based on Current Channel B
Zero-crossing interrupt edge selection
Setting
00
01
10
11
Reserved
0 = communication locking feature is enabled
1 = communication locking feature is disabled
Description
Configuration of output signal on CF1 pin
Setting
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
Configuration of output signal on CF2 pin
Setting
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
0 = CF1 output is enabled
1 = CF1 output is disabled
0 = CF2 output is enabled
1 = CF2 output is disabled
Rev. 0 | Page 61 of 68
Filtering
~250 ms
~500 ms
~1 sec
~2 sec
Edge Selection
Interrupt is issued on both positive-going and negative-going zero crossing
Interrupt is issued on negative-going zero crossing
Interrupt is issued on positive-going zero crossing
Interrupt is issued on both positive-going and negative-going zero crossing
CF1 Output Signal Configuration
CF1 is proportional to active power (Current Channel A)
CF1 is proportional to reactive power (Current Channel A)
CF1 is proportional to apparent power (Current Channel A)
CF1 is proportional to IRMS (Current Channel A)
CF1 is proportional to active power (Current Channel B)
CF1 is proportional to reactive power (Current Channel B)
CF1 is proportional to apparent power (Current Channel B)
CF1 is proportional to IRMS (Current Channel B)
CF1 is proportional to IRMS (Current Channel A) + IRMS (Current Channel B)
CF1 is proportional to active power (Current Channel A) + active power
(Current Channel B)
CF2 Output Signal Configuration
CF2 is proportional to active power (Current Channel A)
CF2 is proportional to reactive power (Current Channel A)
CF2 is proportional to apparent power (Current Channel A)
CF2 is proportional to IRMS (Current Channel A)
CF2 is proportional to active power (Current Channel B)
CF2 is proportional to reactive power (Current Channel B)
CF2 is proportional to apparent power (Current Channel B)
CF2 is proportional to IRMS (Current Channel B)
CF2 is proportional to IRMS (Current Channel A) + IRMS (Current Channel B)
CF2 is proportional to active power (Current Channel A) + active power
(Current Channel B)
ADE7953