Cypress CY8C21434, CY8C21334, CY8C21634 OCD Ocde, OCD even data IO, OCD Ocdo, OCD odd data output

CY8C21634, CY8C21534

CY8C21434, CY8C21334, CY8C21234

56-Pin Part Pinout

The 56-pin SSOP part is for the CY8C21001 On-Chip Debug (OCD) PSoC device.

Note This part is only used for in-circuit debugging. It is NOT available for production.

Figure 12. CY8C21001 56-Pin PSoC Device

Vss	1		56	Vdd
AI, P0[7]	2		55	P0[6], AI
AI, P0[5]	3		54	P0[4], AI
AI, P0[3]	4		53	P0[2], AI
AI, P0[1]	5		52	P0[0], AI
P2[7]	6		51	P2[6]
P2[5]	7		50	P2[4]
P2[3]	8		49	P2[2]
P2[1]	9		48	P2[0]
NC	10		47	NC
NC	11		46	NC
NC	12		45	P3[2]
NC	13		44	P3[0]
OCDE	14	SSOP	43	CCLK
OCDO	15		42	HCLK
SMP	16		41	XRES
Vss	17		40	NC
Vss	18		39	NC
P3[3]	19		38	NC
P3[1]	20		37	NC
NC	21		36	NC
NC	22		35	NC
I2C SCL, P1[7]	23		34	P1[6]
I2C SDA, P1[5]	24		33	P1[4], EXTCLK
NC	25		32	P1[2]
P1[3]	26		31	P1[0], I2C SDA, SDATA
SCLK, I2C SCL, P1[1]	27		30	NC
Vss	28		29	NC

Table 7. Pin Definitions - CY8C21001 56-Pin (SSOP)

Pin No.		Type			Pin Name	Description
	Digital			Analog
1	Power				Vss	Ground connection.
2	IO		I		P0[7]	Analog column mux input.
3	IO		I		P0[5]	Analog column mux input and column output.
4	IO		I		P0[3]	Analog column mux input and column output.
5	IO		I		P0[1]	Analog column mux input.
6	IO				P2[7]
7	IO				P2[5]
8	IO		I		P2[3]	Direct switched capacitor block input.
9	IO		I		P2[1]	Direct switched capacitor block input.
10					NC	No connection.
11					NC	No connection.
12					NC	No connection.
13					NC	No connection.
14	OCD				OCDE	OCD even data IO.
15	OCD				OCDO	OCD odd data output.
16	Power				SMP	Switch Mode Pump (SMP) connection to required external components.
17	Power				Vss	Ground connection.
18	Power				Vss	Ground connection.
Document Number: 38-12025 Rev. *O						Page 13 of 45

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