CDB5460AU Cirrus Logic Inc, CDB5460AU Datasheet - Page 41

• Manufacturer Part Number: CDB5460AU
• Description: EVALUATION BOARD FOR CS5460A
• Manufacturer: Cirrus Logic Inc

Specifications of CDB5460AU

• Main Purpose: Power Management, Energy/Power Meter
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CS5460A
• Primary Attributes: 1-Phase Current & Voltage Monitoring
• Secondary Attributes: Graphical User Interface, SPI™ & USB Interfaces
• Processor To Be Evaluated: CS5460A, C8051F320
• Interface Type: USB
• Operating Supply Voltage: 5 V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

4.1.7 Register Read/Write
This command informs the state machine that a register access is required. On reads the addressed register is load-
ed into the output buffer and clocked out by SCLK. On writes the data is clocked into the input buffer and transferred
to the addressed register on the 24
DS487F4
W/R
RA[4:0]
B7
0
W/R
B6
0 = Read register
1 = Write register
Write/Read control
Register address bits. Binary encoded 0 to 31. All registers are 24 bits in length.
Address
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10111
11000
11001
11010
11011
11100
11101
11111
† These registers are for Internal Use only and should not be written to.
.
.
.
.
Abbreviation
Config
I
I
V
V
Cycle Count
Pulse-Rate
I
V
P
E
I
V
TBC
Poff
Status
I
V
Res
Res
Res
Test
Mask
Res
Ctrl
Res
Res
DCoff
gn
RMS
ACoff
RA4
.
.
.
.
DCoff
gn
RMS
ACoff
B5
th
SCLK.
RA3
B4
Name/Description
Configuration Register.
Current Channel DC Offset Register.
Current Channel Gain Register.
Voltage Channel DC Offset Register.
Voltage Channel Gain Register.
Number of A/D cycles per computation cycle.
Used to set the energy-to-pulse ratio on EOUT (and EDIR).
Instantaneous Current Register (most recent current sample).
Instantaneous Voltage Register (most recent voltage sample).
Instantaneous Power Register (most recent power sample).
Energy Register (accumulated over latest computation cycle).
RMS Current Register (computed over latest computation cycle).
RMS Voltage Register (computed over latest computation cycle).
Timebase Calibration Register.
Power Offset Register.
Status Register.
Current Channel AC Offset Register.
Voltage Channel AC Offset Register.
Reserved †
Reserved †
Reserved †
Reserved †
Mask Register.
Reserved †
Control Register.
Reserved †
Reserved †
.
.
.
.
RA2
B3
RA1
B2
RA0
B1
CS5460A
B0
0
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