Cypress CY8C20x46 Manual De Usuario
CY8C20x36/46/66, CY8C20396
Document Number: 001-12696 Rev. *D
Page 10 of 34
24-Pin QFN with USB Pinout
Table 4. Pin Definitions - CY8C20396 PSoC Device
Pin No.
Type
Name
Description
Digital
Analog
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
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)
(EXTCLK)
15
IOHR
I
P1[6]
16
RESET INPUT
XRES
Active high external reset with
internal pull down
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
connected to Ground
LEGEND I = Input, O = Output, OH = 5 mA High Output Drive, R = Regulated Output
P0
[7]
I2C SDA, SPI MISO, P1[5]
USB D-
QFN
(Top View)
I2C SCL, SPI SS, P1[7]
SPI CLK, P1[3]
1
2
3
4
5
6
18
17
16
15
14
13
P0[0]
XRES
24
23
22
21
20
19
P0
[3]
P0
[5]
P0[
6
]
P0[2]
7
8
9
10
11
12
ISSP CL
K, I2C SCL
, SPI M
O
S
I,
P1[1
]
VDD
P2[1]
Vss
P1[2]
IS
SP DATA, I
2
C SDA, P1[
0
]
P1[4], EXTCLK
P1[6]
P0
[4]
P0
[1], AI
USB
D+
P2[5]
P2[3]
Figure 4. CY8C20396 PSoC Device