Cypress CY7C68023, CY7C68024 EZ-USB NX2LP 56-pin QFN

CY7C68023/CY7C68024
Document #: 38-08055 Rev. *B Page 2 of 9
3.0 Pin Assignments
3.1 Pin Diagram
Figure 3-1. 56-pin QFN
3.2 Pin Descriptions
Pin Name Type Default State at Start-up Description
1R_B1#[1] I Z Ready/Busy 1 (2.2k to 4k pull-up resistor is required)
2R_B2# I Z Ready/Busy 2 (2.2k to 4k pull-up resistor is required)
3AVCC PWR PWR Analog 3.3V supply
4XTALOUT Xtal N/A Crystal output
5XTALIN Xtal N/A Crystal input
6AGND GND GND Ground
7AVCC PWR PWR Analog 3.3V supply
8DPLUS I/O ZUSB D+
9DMINUS I/O ZUSB D-
10 AGND GND GND Ground
11 VCC PWR PWR 3.3V supply
12 GND GND GND Ground
13 N/C N/A N/A No connect
14 GND GND GND Ground
15 Reserved N/A N/A Must be tied HIGH (no pull-up resistor required)
Note:
1. A # sign after the pin name indicates that it is an active LOW signal.
RESET#
GND
N/C
N/C
WP_SW#
WP_NF#
LED2#
LED1#
ALE
CLE
VCC
RE1#
RE0#
WE#
R_B1#
R_B2#
AVCC
XTALOUT
XTALIN
AGND
AVCC
DPLUS
DMINUS
AGND
VCC
GND
N/C
GND
15 16 17 18 19 20
21
22 23 24 25 26 27 28
Reserved Reserved
VCC
DD0 DD1 DD2 DD3 DD4 DD5 DD6 DD7
GND
VCC
GND
42
41
40
39
38
37
36
35
34
33
32
31
30
29
56 55 54 53 52 51 50 49 48 47 46 45 44 43
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GND VCC N/C GND CE7# CE6# CE5# CE4# CE3# CE2# CE1# CE0# Reserved VCC
EZ-USB NX2LP
56-pin QFN
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