VV6501 datasheet(39/44 Pages) STMICROELECTRONICS

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ADCS 7283313C

39/44

STV0681

STV0681 pin description

LCD Interface

LCDCOM

Output

LCD Common

4mA

(SL)

LCD1_6

Output

LCD digit 1 segment G

2mA

(SL)

LCD1_5

Output

LCD digit 1 segment F

2mA

(SL)

LCD1_4

Output

LCD digit 1 segment E

2mA

(SL)

LCD1_3

Output

LCD digit 1 segment D

2mA

(SL)

LCD1_2

Output

LCD digit 1 segment C

2mA

(SL)

LCD1_1

Output

LCD digit 1 segment B

2mA

(SL)

LCD1_0

Output

LCD digit 1 segment A

2mA

(SL)

LCD2_6

Output

LCD digit 2 segment G

2mA

(SL)

LCD2_5

Output

LCD digit 2 segment F

2mA

(SL)

LCD2_4

Output

LCD digit 2segment E

2mA

(SL)

LCD2_3

Output

LCD digit 2segment D

2mA

(SL)

LCD2_2

Output

LCD digit 2segment C

2mA

(SL)

LCD2_1

Output

LCD digit 2 segment B

2mA

(SL)

LCD2_0

Output

LCD digit 2 segment A

2mA

(SL)

Piezo Interface

PIEZO

Output

Direct connection to piezo buzzer

8mA

(SL)

Battery Level Comparator Interface

LO_BAT

Input (A)

Battery level comparator input. The voltage on

low_bat is compared to the reference to determine

the battery status

LO_BAT_REF

Input (A)

1.22V battery level comparator reference input

Table 15: STV0681 pin listing

Pin no.

Signal

Type

Description

drive

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