CY8C27143_13 Datasheet, PDF (11/64 Pages) Cypress Semiconductor – PSoC® Programmable System-on-Chip™

CY8C27143, CY8C27243
CY8C27443, CY8C27543
CY8C27643
44-pin Part Pinout
Table 5. Pin Definitions – 44-pin TQFP
Pin
No.
Type
Digital Analog
Pin Name
Description
Figure 6. CY8C27543 44-pin PSoC Device
1
I/O
P2[5]
2
I/O
I
P2[3] Direct switched capacitor block input
3
I/O
I
P2[1] Direct switched capacitor block input
4
I/O
P4[7]
5
I/O
P4[5]
6
I/O
P4[3]
7
I/O
P4[1]
8
Power
9
I/O
10
I/O
11
I/O
12
I/O
13
I/O
14
I/O
15
I/O
16
I/O
SMP
P3[7]
P3[5]
P3[3]
P3[1]
P1[7]
P1[5]
P1[3]
P1[1]
SMP connection to external components required
I²C SCL
I²C SDA
Crystal input (XTALin), I²C SCL, ISSP-SCLK^[5]
P2[5] 1
A, I, P2[3] 2
A, I, P2[1] 3
P4[7] 4
P4[5] 5
P4[3] 6
P4[1] 7
SMP 8
P3[7] 9
P3[5] 10
P3[3] 11
TQFP
33 P2[4], External AGND
32 P2[2], A, I
31 P2[0], A, I
30 P4[6]
29 P4[4]
28 P4[2]
27 P4[0]
26 XRES
25 P3[6]
24 P3[4]
23 P3[2]
17
Power
18
I/O
Vss
P1[0]
Ground connection.
Crystal output (XTALout), I²C SDA,
ISSP-SDATA^[5]
19
I/O
P1[2]
20
I/O
P1[4] Optional external clock input (EXTCLK)
21
I/O
P1[6]
22
I/O
P3[0]
23
I/O
P3[2]
24
I/O
P3[4]
25
I/O
P3[6]
26
Input
XRES Active high external reset with internal pull down
27
I/O
P4[0]
28
I/O
P4[2]
29
I/O
P4[4]
30
I/O
P4[6]
31
I/O
I
P2[0] Direct switched capacitor block input
32
I/O
I
P2[2] Direct switched capacitor block input
33
I/O
P2[4] External Analog Ground (AGND)
34
I/O
P2[6] External Voltage Reference (VRef)
35
I/O
I
P0[0] Analog column mux input
36
I/O
I/O
P0[2] Analog column mux input and column output
37
I/O
I/O
P0[4] Analog column mux input and column output
38
I/O
I
P0[6] Analog column mux input
39
Power
40
I/O
I
V_DD Supply voltage
P0[7] Analog column mux input
41
I/O
I/O
P0[5] Analog column mux input and column output
42
I/O
I/O
P0[3] Analog column mux input and column output
43
I/O
I
P0[1] Analog column mux input
44
I/O
P2[7]
LEGEND: A = Analog, I = Input, and O = Output.
Note
5. 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.
Document Number: 38-12012 Rev. *X
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