Cypress enCoRe V CY7C643 Series, Technical Reference Manual

Page: 18 / 257

enCoRe™ V CY7C643xx, enCoRe™ V LV CY7C604xx TRM, Document No. 001-32519 Rev *H 18
Pin Information
1.1.4 CY8C20646A/AS/LCY8C20666A/AS/L
CY7C64355, CY7C64356 enCoRe V 48-Pin Part Pinout
Table 1-4. 48-Pin Part Pinout
2
Pin
No.
Digit
a
l
An
al
og
Name Description
CY7C64355, CY7C64356 enCoRe VDevices
1 NC No connection
2 IO I P2[7]
3 IO I P2[5] XTAL Out
4 IO I P2[3] XTAL In
5 IO I P2[1]
6 IO I P4[3]
7 IO I P4[1]
8 IO I P3[7]
9 IO I P3[5]
10 IO I P3[3]
11 IO I P3[1]
12 IOHR I P1[7] I2C SCL, SPI SS
13 IOHR I P1[5] I2C SDA, SPI MISO
14 NC No connection
15 NC No connection
16 IOHR I P1[3] SPI CLK
17 IOHR I P1[1]
TC CLK
1
, I2C SCL, SPI MOSI
18 Power Vss Ground pin
19 IO D + USB PHY
20 IO D - USB PHY
21 Power Vdd Power pin
22 IOHR I P1[0]
TC DATA
1
, I2C SDA, SPI CLK
23 IOHR I P1[2]
24 IOHR I P1[4] EXTCLK
25 IOHR I P1[6]
26 Input XRES Active high external reset with internal pull down
27 IO I P3[0]
28 IO I P3[2]
29 IO I P3[4]
30 IO I P3[6]
Pin
No.
Digit
a
l
Analog
Name Description 31 IO I P4[0]
32 IO I P4[2]
33 IO I P2[0] 41 Power Vdd Power pin
34 IO I P2[2] 42 NC No connection
35 IO I P2[4] 43 NC No connection
36 IO I P2[6] 44 IOH I P0[7]
37 IOH I P0[0] 45 IOH I P0[5]
38 IOH I P0[2] 46 IOH I P0[3]
39 IOH I P0[4] 47 Power Vss Ground pin
40 IOH I P0[6] 48 IOH I P0[1]
Legend
A = Analog, I = Input, O = Output, NC = No Connection, H = 5 mA High Output Drive, R = Regulated Output Option.
1
These are the ISSP pins, which are not High-Z at POR.
2
The center pad on the QFN package must be connected to ground (Vss) for best mechanical, thermal, and electrical performance. If not connected
to ground, it must be electrically floated and not connected to any other signal.
QFN
(Top View)
P0
[1
]
Vs
s
P0
[3
]
P0
[5
]
P0
[7
]
NC NC Vd
d
P0
[6
]
P0
[4
]
P0
[2
]
P0
[0
]
10
11
12
P2[7]
NC
P2[5]
P2[3]
P2[1]
P4[3]
P4[1]
P3[7]
P3[5]
P3[3]
P3[1]
P1[7]
35
34
33
32
31
30
29
28
27
26
25
36
48 47 46 45 44 43
42
41 40 39 38 37
P2[4]
P2[2]
P2[0]
P4[2]
P4[0]
P3[6]
P3[4]
P3[2]
P3[0]
XRES
P1[6]
P2[6]
1
2
3
4
5
6
7
8
9
13 14 15 16 17 18 19 20 21 22 23 24
P1
[5
]
NC NC
P1
[3
]
P1
[1
]
Vs
s
D+
D-
Vd
d
P1
[0
]
P1
[2
]
P1
[4
]