Cypress Semiconductor CY8C24423A Dokumentacja Pobierz pdf (Strona 9)

CY8C24223A, CY8C24423A

Document Number: 001-52469 Rev. *H Page 9 of 50

28-Pin Part Pinout

Note

6. These are the ISSP pins, which are not high Z when coming out of POR. See the PSoC Technical Reference Manual for details.

Table 3. 28-Pin Part Pinout (SSOP)

No.

Type

Name

Description

Figure 4. CY8C24423A 28-Pin PSoC Device

Digital Analog

1 I/O I P0[7] Analog column mux input

2 I/O I/O P0[5] Analog column mux input and column

output

3 I/O I/O P0[3] Analog column mux input and column

output

4 I/O I P0[1] Analog column mux input

5 I/O P2[7]

6 I/O P2[5]

7 I/O I P2[3] Direct switched capacitor block input

8 I/O I P2[1] Direct switched capacitor block input

9 Power V

Ground connection

10 I/O P1[7] I

C serial clock (SCL)

11 I/O P1[5] I

C serial data (SDA)

12 I/O P1[3]

13 I/O P1[1] Crystal input (XTALin), I

C serial clock

(SCL), ISSP-SCLK

[6]

14 Power V

Ground connection

15 I/O P1[0] Crystal output (XTALout), I

C serial data

(SDA), ISSP-SDATA

[6]

16 I/O P1[2]

17 I/O P1[4] Optional external clock input (EXTCLK)

18 I/O P1[6]

19 Input XRES Active high external reset with internal

pull down

20 I/O I P2[0] Direct switched capacitor block input

21 I/O I P2[2] Direct switched capacitor block input

22 I/O P2[4] External analog ground (AGND)

23 I/O P2[6] External voltage reference (VRef)

24 I/O I P0[0] Analog column mux input

25 I/O I P0[2] Analog column mux input

26 I/O I P0[4] Analog column mux input

27 I/O I P0[6] Analog column mux input

28 Power V

Supply voltage

LEGEND: A = Analog, I = Input, and O = Output.

SSOP

AI, P0[7]

AIO, P0[5]

AIO, P0[3]

AI, P0[1]

P2[7]

P2[5]

AI, P2[3]

AI, P2[1]

I2C SCL, P1[7]

I2C SDA, P1[5]

P1[3]

I2C SCL, XTALin, P1[1]

P0[6], AI

P0[4], AI

P0[2], AI

P0[0], AI

P2[6], External VRef

P2[4], External AGND

P2[2], AI

P2[0], AI

XRES

P1[6]

P1[4], EXTCLK

P1[2]

P1[0], XTALout, I2C SDA

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 50 51

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