LC72346W 查看數據表（PDF） - SANYO -> Panasonic

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LC72346W

Ultralow-Voltage ETR Controller with On-Chip LCD Driver

SANYO -> Panasonic 

LC72346W, 72347W

Continued from preceding page.

• 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.

• Built-in remaining battery life verification function:

Converts the VDD pin level to digital.

• 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

XOUT

TEST2

PA3

PA2

PA1

PA0

PB3

PB2

PB1

PB0

PC3

PC2

PC1

PC0

PD3

PD2

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49

1

48

2

47

3

46

4

45

5

44

6

43

7

42

8

LC72346W

41

9

LC72347W

40

10

39

11

38

12

37

13

36

14

35

15

34

16

33

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

S5

S6

S7

S8

S9

S10

S11

S12

S13/PH0

S14/PH1

S15/PH2

S16/PH3

S17/PG0

S18/PG1

S19/PG2

S20/PG3

No. 6651-2/12

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