Cypress Semiconductor CY8C21234 Bedienungsanleitung PDF herunterladen (Seite 9)

CY8C21634/CY8C21534

CY8C21434/CY8C21334/CY8C21234

Document Number: 38-12025 Rev. *Q Page 9 of 45

20-Pin Part Pinout

Figure 4. CY8C21334 20-Pin PSoC Device

SSOP

Vd d

P0[6], A, I, M

P0[4], A, I, M

P0[2], A, I, M

P0[0], A, I, M

XRES

P1[6], M

P1[4 ], EXTCL K, M

P1[2], M

P1[0], I2C SDA, M

A, I, M, P0[7]

A, I, M, P0[5]

A, I, M, P0[3]

A, I, M, P0[1]

M, I2C SCL, P1[7]

SDA, P1 [5 ]

M, P1[3 ]

SCL , P1 [1 ]

Vss

M, I2C

Table 4. Pin Definitions - CY8C21334 20-Pin (SSOP)

Pin No.

Type

Name Description

Digital Analog

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

2 I/O I, M P0[5] Analog column mux input.

3 I/O I, M P0[3] Analog column mux input, integrating input.

4 I/O I, M P0[1] Analog column mux input, integrating input.

5 Power Vss Ground connection.

6 I/O M P1[7] I2C Serial Clock (SCL).

7 I/O M P1[5] I2C Serial Data (SDA).

8 I/O M P1[3]

9 I/O M P1[1] I2C Serial Clock (SCL), ISSP-SCLK

[3]

10 Power Vss Ground connection.

11 I/O M P1[0] I2C Serial Data (SDA), ISSP-SDATA

[3]

12 I/O M P1[2]

13 I/O M P1[4] Optional External Clock Input (EXTCLK).

14 I/O M P1[6]

15 Input XRES Active high external reset with internal pull down.

16 I/O I, M P0[0] Analog column mux input.

17 I/O I, M P0[2] Analog column mux input.

18 I/O I, M P0[4] Analog column mux input.

19 I/O I, M P0[6] Analog column mux input.

20 Power Vdd Supply voltage.

LEGEND A = Analog, I = Input, O = Output, and M = Analog Mux Input.

[+] Feedback

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 44 45

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