Cypress CY8C24423A, CY8C24223A manual Pinouts, Pin Part Pinout

CY8C24223A, CY8C24423A

Pinouts

The CY8C24x23A automotive PSoC device is available in a variety of packages which are listed and illustrated in the following tables. Every port pin (labeled with a “P”) is capable of Digital IO. However, Vss, Vdd, and XRES are not capable of Digital IO.

20-Pin Part Pinout

Table 3. 20-Pin Part Pinout (SSOP)

Pin	Type	Pin	Description
No.	Digital Analog	Name

Figure 5. CY8C24223A 20-Pin PSoC Device

1	IO	I	P0[7]	Analog column mux input
2	IO	IO	P0[5]	Analog column mux input and column
				output
3	IO	IO	P0[3]	Analog column mux input and column
				output
4	IO	I	P0[1]	Analog column mux input
5	Power		Vss	Ground connection
6	IO		P1[7]	I2C Serial Clock (SCL)
7	IO		P1[5]	I2C Serial Data (SDA)
8	IO		P1[3]
9	IO		P1[1]	Crystal Input (XTALin), I2C Serial Clock
				(SCL), ISSP-SCLK*
10	Power		Vss	Ground connection
11	IO		P1[0] Crystal Output (XTALout), I2C Serial Data
				(SDA), ISSP-SDATA*
12	IO		P1[2]
13	IO		P1[4]	Optional External Clock Input (EXTCLK)
14	IO		P1[6]
15	Input		XRES	Active high external reset with internal pull
				down
16	IO	I	P0[0]	Analog column mux input
17	IO	I	P0[2]	Analog column mux input
18	IO	I	P0[4]	Analog column mux input
19	IO	I	P0[6]	Analog column mux input
20	Power		Vdd	Supply voltage

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

* These are the ISSP pins, which are not High Z at POR (Power On Reset).

See the PSoC Programmable System-on-Chip Technical Reference Manual for details.

A, I,P0[7]

A,IO, P0[5]

A,IO, P0[3]

A,I, P0[1] Vss I2CSCL,P1[7] I2C SDA,P1[5] P1[3]

I2CSCL,XTALin,P1[1] Vss

1		20
2		19
3		18
4		17
5	SSOP	16
6		15
7		14
8		13
9		12
10		11

Vdd P0[6], A,I

P0[4], A,I

P0[2], A,I

P0[0], A,I XRES P1[6] P1[4],EXTCLK P1[2] P1[0],XTALout,I2CSDA

Document Number: 3-12029 Rev. *E Page 8 of 31

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