PRELIMINARY
PSoC® 3: CY8C36 Family Datasheet
Figure 2-2. 48-pin QFN Part Pinout[7]
(GPIO) P2[6] 1
(GPIO) P2[7] 2
Vssb 3
Ind 4
Vboost 5
Vbat 6
(GPIO, TMS, SWDIO) P1[0] 7
(GPIO, TCK, SWDCK) P1[1] 8
(GPIO, Configurable XRES) P1[2] 9
(GPIO, TDO, SWV) P1[3] 10
(GPIO, TDI) P1[4] 11
(GPIO, nTRST) P1[5] 12
Lines show
Vddio to I/O
supply
association
QFN
( Top View)
36 P0[3] (OpAmp0-/Extref0, GPIO)
35 P0[2] (OpAmp0+, GPIO)
34 P0[1] (OpAmp0out, GPIO)
33 P0[0] (OpAmp2out, GPIO)
32 P12[3] (SIO)
31 P12[2] (SIO)
30 Vdda
29 Vssa
28 Vcca
27 P15[3] (GPIO, kHz XTAL: Xi)
26 P15[2] (GPIO, kHz XTAL: Xo)
25 P12[1] (SIO, I2C1: SDA)
Notes
6. Pins are Do Not Use (DNU) on devices without USB. The pin must be left floating.
7. The center pad on the QFN package should be connected to digital ground (Vssd) for best mechanical, thermal, and electrical performance. If not connected to
ground, it should be electrically floated and not connected to any other signal.
Document Number: 001-53413 Rev. *I
Page 6 of 112
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