ver. 2.8

12/01/12

11

ES51995(6000counts)

DMM Analog front end with PEAK

Buzzer frequency selection: B2/B1/B0

B2

B1

B0

Buzzer frequency

0

0

0

1.00kHz

0

0

1

1.33kHz

0

1

0

2.00kHz

0

1

1

2.22kHz

1

0

0

2.67kHz

1

0

1

3.08kHz

1

1

0

3.33kHz

1

1

1

4.00kHz

Set B2-B0 properly to get the target frequency. Use BUZ control bit to enable/disable the

BUZOUT (pin82) driver output. If MPU control BUZ only, it is available to set ID byte with

ending of stop bit.

ADC conversion rate selection: C1/C0

C1

C0

SADC Conversion Time

(High resolution ADC)

FADC Conversion Time

(High speed ADC)

SADC Line

noise rejection

0

0

500ms

50ms

50/60Hz

0

1

300ms

30ms

50Hz

1

0

250ms

25ms

60Hz

1

1

200ms

20ms

50Hz

Set C1-C0 to change the target conversion rate for SADC & FADC simultaneously.

A

C

K

1 1

0

1

0 0

0

START BIT

STOP BIT

R

/W

Buzzer OFF

A

C

K

1 1

0

1

0 0

0

START BIT

STOP BIT

R

/W

Buzzer OFF

1 1

1

1

0 0

0

START BIT

STOP BIT

R

/W

Buzzer ON

1 1

1

1

0 0

0

START BIT

STOP BIT

R

/W

Buzzer ON