BeagleBone RS232 Cape
System Reference Manual
Revision A
Page 6 of 22
Table of Contents
FIGURES ...................................................................................................................................................... 7
TABLES ........................................................................................................................................................ 7
1.0
INTRODUCTION............................................................................................................................... 9
2.0
CHANGE HISTORY .........................................................................................................................10
2.1
C
HANGE
H
ISTORY
............................................................................................................................10
3.0
BEAGLEBONE RS232 CAPE OVERVIEW ..................................................................................11
3.1
D
ESCRIPTIONS
..................................................................................................................................11
3.2
I
N
T
HE
B
OX
.....................................................................................................................................12
3.3
G
ETTING
S
TARTED
...........................................................................................................................12
3.4
R
EPAIRS
...........................................................................................................................................13
4.0
FEATURES AND SPECIFICATIONS ............................................................................................14
4.1
K
EY
C
OMPONENT
L
OCATIONS
.........................................................................................................15
4.2
RS232
I
NTERFACE
...........................................................................................................................15
4.3
UART
S
ELECTION
...........................................................................................................................16
4.4
P
OWER
I
NDICATOR
..........................................................................................................................16
4.5
M
ECHANICAL
S
PECIFICATIONS
........................................................................................................16
4.6
E
LECTRICAL
S
PECIFICATIONS
..........................................................................................................16
5.0
SYSTEM ARCHITECTURE AND DESIGN ..................................................................................17
5.1
S
YSTEM
B
LOCK
D
IAGRAM
...............................................................................................................17
5.2
RS232 ..............................................................................................................................................17
5.3
UART ..............................................................................................................................................18
5.4
UART
TO
RS232 .............................................................................................................................18
5.5
EEPROM ........................................................................................................................................19
5.5.1
EEPROM Address .................................................................................................................20
5.5.2
I2C Bus ..................................................................................................................................20
6.0
MECHANICAL INFORMATION ...................................................................................................21
7.0
DESIGN MATERIALS .....................................................................................................................22