PIN
ASSIGNMENT
22
7.2 64 LQFP Pin Descriptions
PIN
PIN Name
I/O Type
Description
1 Reserved
Reserved
2 Reserved
Reserved
3
VCCA
PWR
Analog 3.3V input
4 GNDA
PWR
Ground
5
XTAL1
I
Crystal Oscillator Input (12MHz)
6
XTAL2
O
Crystal Oscillator Output (12MHz)
7
VCC2FM
O
Connect to Flash Memory VCC
8
VCC5V
PWR
5V power supply
9
VCC3V
PWR
Regular 3.3V output/ IO 3.3V input
10
RSTN
I
Hardware reset (Active Low)
11 USB_DP I/O
USB
D+
12 USB_DM I/O
USB
D-
13 GNDIO PWR
Ground
14 Reserved
Reserved
15 Reserved
Reserved
16 Reserved
Reserved
17 Reserved
Reserved
18 Reserved
Reserved
19
FMWPN
I
Connect to Flash Memory Write Protect
20
FMWRN
O
Connect to Flash Memory Write Enable
21
FMALE
O
Connect to Flash Memory Address Latch Enable
22
FMCLE
O
Connect to Flash Memory Command Latch Enable
23
FMCE1N
O
Connect to Flash Memory Chip1 Enable
24
FMCE2N
O
Connect to Flash Memory Chip2 Enable
25
FMRDN
O
Connect to Flash Memory Read Enable
26
FMRBN
I
Connect to Flash Memory Ready/Busy Output
27
GPON7
O
General Purpose Output pin, used as activity LED
28
EEPDATA
I/O
Connect to I2C Serial Data
29
EEPCLK
O
Connect to I2C Serial Clock Input
30 Reserved
Reserved
31 Reserved
Reserved
32 Reserved
Reserved
33 Reserved
Reserved
34 Reserved
Reserved
Содержание AU9381
Страница 4: ...TABLE OF CONTENTS i...
Страница 8: ...APPLICATION BLOCK DIAGRAM 4...
Страница 12: ...SYSTEM ARCHITECTURE AND REFERENCE DESIGN 8...
Страница 16: ...ELECTRICAL CHARACTERISTICS 12...
Страница 22: ...PIN ASSIGNMENT 18...
Страница 24: ...PIN ASSIGNMENT 20...
