LC723461W datasheet(2/13 Pages) SANYO

No. de pieza	LC723461W

Descripción Electrónicos	Ultralow-Voltage ETR Controller with On-Chip LCD Driver

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Fabricante Electrónico	SANYO [Sanyo Semicon Device]

Página de inicio	https://www.sanyo-av.com/us/

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2 / 13 page

No. 7275-2/13

LC723461W, 723462W

Continued from preceding page.

• External reset input: During CPU and PLL operations,

instruction execution is started from location 0.

• Built-in power-on reset circuit:

The CPU starts execution from location 0 when power is

first applied.

• Halt mode: The controller-operating clock is stopped.

• Backup mode: The crystal oscillator is stopped.

• Static power-on function:

Backup state is cleared with the PF port

• Beep tone: 1.5 and 3.1 kHz

• Built-in DC-DC converter:

For LCD and A/D converter use (3 V)

Can also be used for TU + B creation by using a

secondary coil. (The DC-DC converter voltage step-up

operation can be stopped with the DCDCC instruction.)

• Built-in remaining battery life verification function:

Converts the VDD pin level through AD converter.

• Memory retention voltage: 0.5 V or higher

• Dedicated memory power supply: The RAM retention

time has been increased by the provision of a dedicated

memory power supply.

• Package: SQFP-64 (0.5-mm pitch)

• VDD power supply: 0.9 to 1.8 V

Pin Assignment

15

16

13

14

11

12

9

10

7

8

5

6

3

4

1

2

61

62

63

64

58

59

60

54

55

56

51

52

53

49

50

57

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

30 31

17 18 19 20 21 22 23 24 25 26 27 28 29

S3

S4

S5

S6

S7

S8

S9

S10

S11

S12

S13/PH 0

S14/PH 1

S15/PH 2

S16/PH 3

S17/PG0

S18/PG1

XOUT

LC723461W/3462W

SQFP-64

PA3

PA2

PA1

PA0

PB3

PB2

PB1

PB0

PC3

PC2

PC1

PC0

PD3

PD2

IN T1/P D

I/O

I

O

I

*: The VDD pin can also function as ADI2 A/D converter input.

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LC723461W Datasheet(PDF) 2 Page - Sanyo Semicon Device

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