cs5460 Cirrus Logic, Inc., cs5460 Datasheet - Page 17

• Manufacturer Part Number: cs5460
• Description: Single Phase Bi-directional Power/energy Ic
• Manufacturer: Cirrus Logic, Inc.

3.1.7 Register Read/Write Command
DS279PP5
B7
0
W/R
RA[4:0]
This command informs the state machine that a register access is required. On reads the addressed register is
loaded 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
W/R
B6
RA4
B5
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
10111
11000
11001
11010
11011
11100
11111
† These Registers are for Internal Use only and should not be written to. Accessing these
registers will NOT generate an “Invalid Command” (IC) bit in the Status Register.
.
RA3
.
B4
.
.
RA2
B3
Name
Config
Ioff
Ign
Voff
Vgn
Cycle Count
Pulse-Rate
I
V
P
E
I
V
TBC
Test
Status
Res
Res
Test
Test
Mask
Test
Res
Res
RMS
RMS
RA1
B2
RA0
B1
Description
Configuration Register
Current offset calibration
Current gain calibration
Voltage offset calibration
Voltage gain calibration
Number of conversions to integrate over (N)
Used to calibrate/scale the energy to frequency output
Last current value
Last voltage value
Last Power value
Total energy value of last cycle
RMS current value of last cycle
RMS voltage value of last cycle
Timebase Calibration
Internal Use only †
Status register
Reserved
Reserved
Internal Use only †
Internal Use Only †
Interrupt mask register
Internal Use Only †
Reserved
Reserved
th
B0
0
SCLK.
CS5460
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