Cypress CY8C20x36, CY8C20x46 Pin QFN with USB Pinout, Pin Definitions CY8C20396 PSoC Device 2

CY8C20x36/46/66, CY8C20396

24-Pin QFN with USB Pinout

Table 4. Pin Definitions - CY8C20396 PSoC Device [2, 3]

Pin No.	Type		Name	Description
	Digital	Analog

Figure 4. CY8C20396 PSoC Device

1	IO	I	P2[5]
2	IO	I	P2[3]
3	IO	I	P2[1]
4	IOHR	I	P1[7] I2C SCL, SPI SS
5	IOHR	I	P1[5] I2C SDA, SPI MISO
6	IOHR	I	P1[3] SPI CLK
7	IOHR	I	P1[1] ISSP CLK, I2C SCL, SPI MOSI

P2[5]

P2[3]

P2[1] I2C SCL, SPI SS, P1[7] I2C SDA, SPI MISO, P1[5] SPI CLK, P1[3]

	P0[1], AI	P0[3]	P0[5]	P0[7]	P0[6]	P0[4]
	24	23	22	21	20	19
1						18
2			QFN			17
3						16
4		(Top View) 15
5						14
6				10		13
	7	8	9		11 12

P0[2]

P0[0]

XRES

P1[6]

P1[4], EXTCLK P1[2]

8	Power		VSS	Ground
9	IO	I	D+	USB D+
10	IO	I	D-	USB D-
11	Power		VDD	Supply
12	IOHR	I	P1[0]	ISSP DATA, I2C SDA
13	IOHR	I	P1[2]
14	IOHR	I	P1[4]	Optional external clock input
				(EXTCLK)
15	IOHR	I	P1[6]
16	RESET INPUT		XRES	Active high external reset with
				internal pull down
17	IOH	I	P0[0]
18	IOH	I	P0[2]
19	IOH	I	P0[4]
20	IOH	I	P0[6]
21	IOH	I	P0[7]
22	IOH	I	P0[5]
23	IOH	I	P0[3]	Integrating input
24	IOH	I	P0[1]	Integrating input
CP	Power		VSS	Thermal pad must be
				connected to Ground

LEGEND I = Input, O = Output, OH = 5 mA High Output Drive, R = Regulated Output

SCL, SPI MOSI, P1[1]	Vss USB D+ USB D- VDD DATA, I2C SDA, P1[0]
CLK, I2C	ISSP
ISSP

Document Number: 001-12696 Rev. *D Page 10 of 34

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