CS1630-FSZ datasheet(22/56 Pages) APEX

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CS1630/31

DS954F2

5.10.2 PLC Program Mode Characters

In order to program the CS1630/31, a set of encoded

characters is built from specific phase-cut waveform patterns.

Figure 24 illustrates the phase-cut waveform encoding

recognized by the CS1630/31 power line calibration system.

As shown in Table 1, six characters are formed using the

special character and two-bit encoded data.

5.10.3 Calibration Mode Operation Code

The CS1630/31 power line calibration system requires a start

and stop operation code to activate and deactivate power line

calibration mode. Once in the power line calibration mode,

operation codes (OPCODE) will be used to program specific

addresses using the OPCODE listed in Table 2.

The LED light flashes seven times to indicate a command

error. The LED flashes two times when OTP registers are

programmed successfully and four times when programming

is unsuccessful. Figure 25 illustrates an example of a power

line calibration mode command sequence and the cut-

waveform pattern.

Character

Code

Notes

Start Char

(SC)00(SC)

PLC Program Start Character(1)

Stop Char

(SC)11(SC)

PLC Program Stop Character(1)

Duo-bit ‘00’

2-bit Data [00]

Duo-bit ‘01’

2-bit Data [01]

Duo-bit ‘10’

2-bit Data [10]

Duo bit ‘11’

2-bit Data [11]

Note: (1) A Special Character (SC) must precede and follow the Duo-bit.

Table 1. Power Line Calibration Characters

90°

Special Char

‘11’

146°

‘01’

62°

‘10’

118°

‘00’

34°

90°

146°

90°

PLC Stop Char

90°

34°

90°

PLC Start Char

Figure 24. Power Line Calibration Mode Character Waveforms

PLC Start Character

Addr Bcast

Simple Code

PLC Operation Code

(4-bit)

0000

Odd Parity

Don’t Care

PLC Stop Character

Before Transmit

After Transmit

135°

90°

34°

90°

146°

90°

34°

118°

34°

Figure 25. Power Line Calibration Mode Example

Calibration Command Sequence

Start Char [(SC)00(SC)]

Addr Bcast

Simple Code

[1 Duo-bit]

OPCODE

[2 Duo-bits]

Odd Parity

Don’t Care

[1 Duo-bit]

Stop Char [(SC)11(SC)]

Name

OPCODE

Description

NOP

0000

No Operation

INIT_PROG_MODE

0001

Initialize program mode(1)

I2C_WRITE

0010

Perform a generic I2C write

0011

Reserved

BURN_OTP

0100

Initiate an OTP write cycle(3)

STR1_OFFSET

0101

Write String 1 offset(2)

STR2_OFFSET

0110

Write String 2 offset(2)

WRITE_CRC

0111

Write CRC value

END_PROG_MODE

1000

Disable programming mode

WRITE_DIM

1001

Sets PLC dim value

Notes: (1) Allows other commands to program the device under test.

(2) Range of Offset tolerance is ±15%.

(3) The light is flashed to indicate pass or fail.

Table 2. Power Line Calibration Operation Code

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