CY7C6435X Datasheet, PDF (9/26 Pages) Cypress Semiconductor – enCoRe™ V Full-Speed USB Controller

PRELIMINARY
CY7C6435x
CY7C64345, CY7C6431x
48-Pin Part Pinout
Figure 5. CY7C64355/CY7C64356 48-Pin enCoRe V USB Device
NC
1
P2[7] ₂
P2[5]
3
P2[3] ₄
P2[1]
5
P4[3]
6
P4[1]
7
P3[7]
8
P3[5]
9
P3[3]
10
P3[1]
11
P1[7]
12
QFN
(Top View)
36 P2[6]
35 P2[4]
34 P2[2]
33 P2[0]
32 P4[2]
31 P4[0]
30 ^P3[6]
29 ^P3[4]
28 P3[2]
27 P3[0]
26 ^XRES
25 P1[6]
Table 3. 48-Pin Part Pinout (QFN)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
Type
NC
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IOHR
IOHR
NC
NC
IOHR
IOHR
Power
IO
IO
Power
IOHR
Pin Name
NC
P2[7]
P2[5]
P2[3]
P2[1]
P4[3]
P4[1]
P3[7]
P3[5]
P3[3]
P3[1]
P1[7]
P1[5]
NC
NC
P1[3]
P1[1]⁽³⁾
Vss
D+
D–
Vdd
P1[0]⁽³⁾
Description
No connection
Digital IO
Digital IO, Crystal Out (Xout)
Digital IO, Crystal In (Xin)
Digital IO
Digital IO
Digital IO
Digital IO
Digital IO
Digital IO
Digital IO
Digital IO, I2C SCL, SPI SS
Digital IO, I2C SDA, SPI MISO
No connection
No connection
Digital IO, SPI CLK
Digital IO, ISSP CLK, I2C SCL, SPI MOSI
Supply ground
USB
USB
Supply voltage
Digital IO, ISSP DATA, I2C SDA, SPI CLK
Note
3. These are the in-system serial programming (ISSP) pins, that are not High Z at power on reset (POR).
Document Number: 001-12394 Rev. *D
Page 9 of 26
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