Ver 1.5

17/03/29

6

ES166

LCR/DMM analog front

1.3 Read/Write command description

The write command includes one ID byte with five command bytes. If the valid write

ID code is received by ES166 at any time, the write command operation will be

enabled.

The next table shows the content of write command.

Byte

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

ID

1

1

0

0

1

0

BUZ

R/W=0

W1

F3

F2

F1

F0

AC

Q2

Q1

Q0

W2

FQ2

FQ1

FQ0

B0

B1

B2

0

IOP1

W3

SHBP

0

0

0

0

0

0

0

W4

AVG

0

PG0

PG1

FG0

FG1

RR0

RR1

W5

0

0

0

0

0

0

0

0

Note: The W5 control byte is a test mode command. Please send zero word at normal operation.

Auxiliary low-resistance detection control bit for Continuity and Diode modes: SHBP

Measurement function control bit: F3/F2/F1/F0

Range control bit for V/A/R modes: Q2/Q1/Q0

Range control bit for Frequency mode: FQ2/FQ1/FQ0

Buzzer frequency selection: B2/B1/B0

Buzzer driver ON/OFF control bit: BUZ

AC mode control enable bit: AC

OP configuration control bit: IOP1

Range control bit for L/C mode: RR1/RR0/PG1/PG0

Test signal frequency control bit for LC bridge mode: FG1/FG0