QT1100A-ISG datasheet(5/42 Pages) QUANTUM

Part #	QT1100A-ISG

Description	10 KEY QTOUCH SENSOR IC

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Manufacturer	QUANTUM [Quantum Research Group]

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Table 1.2 Standalone Pinlist

Scanport, with EEPROM; no serial interface

Vss or open

To CS2

Sense pin

I/O

SNS2K

48

Open

To CS2 + Key

Sense pin

I/O

SNS2

47

Vss or open

To CS1

Sense pin

I/O

SNS1K

46

Open

To CS1 + Key

Sense pin

I/O

SNS1

45

Vss or open

To CS0

Sense pin

I/O

SNS0K

44

Open

To CS0 + Key

Sense pin

I/O

SNS0

43

-

Unused

-

n/c

42

-

Unused

-

n/c

41

-

Unused

-

n/c

40

-

Unused

-

n/c

39

Open

-

Resonator

O

OSC2

38

-

12MHz - Can also be ext clock in

Resonator

I

OSC1

37

-

+3.3 ~ +5V

Power

Pwr

Vdd

36

Vdd

Active low

Reset input

I

RST

35

Open

-

LED & Status

O

LED/STAT

34

20K ~ 220K to Vdd

Always use pull-up R

Sync in

I/O

SYNC

33

-

To Vss

Comms select

I

CMODE

32

Vss

See Table 2.1

Scanport in

I

SCANI_0

31

Vss

See Table 2.1

Scanport in

I

SCANI_1

30

Vss

See Table 2.1

Scanport in

I

SCANI_2

29

Open

See Table 2.1

Scanport out

O

SCANO_3

28

Open

See Table 2.1

Scanport out

O

SCANO_2

27

Open

See Table 2.1

Scanport out

O

SCANO_1

26

Open

See Table 2.1

Scanport out

O

SCANO_0

25

-

EEPROM chip select

EEPROM

O

CSEE

24

-

Leave open

Handshake

I/O, OD

CRDY

23

-

To Vdd

UART, Wakeup

I

RX/WAKE

22

-

To Vss

UART

OD

TX

21

-

Data in from EEPROM

EEPROM

I

DIEE

20

-

Data out to EEPROM

EEPROM

O

DOEE

19

-

Clock to EEPROM

EEPROM

O

CKEE

18

-

0V

Ground

Pwr

Vss

17

Vss or open

To CS9 + Key

Sense pin

I/O

SNS9K

16

Open

To CS9

Sense pin

I/O

SNS9

15

Vss or open

To CS8 + Key

Sense pin

I/O

SNS8K

14

Open

To CS8

Sense pin

I/O

SNS8

13

-

Unused

-

n/c

12

-

Unused

-

n/c

11

Vss or open

To CS7 + Key

Sense pin

I/O

SNS7K

10

Open

To CS7

Sense pin

I/O

SNS7

9

Vss or open

To CS6 + Key

Sense pin

I/O

SNS6K

8

Open

To CS6

Sense pin

I/O

SNS6

7

Vss or open

To CS5 + Key

Sense pin

I/O

SNS5K

6

Open

To CS5

Sense pin

I/O

SNS5

5

Vss or open

To CS4 + Key

Sense pin

I/O

SNS4K

4

Open

To CS4

Sense pin

I/O

SNS4

3

Vss or open

To CS3 + Key

Sense pin

I/O

SNS3K

2

Open

To CS3

Sense pin

I/O

SNS3

1

If Unused

Notes

Function

Type

Name

I

CMOS input

I/O

CMOS I/O

O

CMOS output (push-pull)

OD

CMOS open drain I/O

Pwr

Power / ground

LQ

5

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