BX8804/8805
3/2
1
T
ABLE
OF
C
ONTENTS
1.
P
RODUCT
O
VERVIEW
.......................................................................................................................................................
9
1.1
I
NTRODUCTION
..................................................................................................................................................
10
1.2
F
EATURES
.........................................................................................................................................................
10
1.3
A
PPLICATIONS
...................................................................................................................................................
12
1.4
P
IN
C
ONFIGURATION
..........................................................................................................................................
13
1.4.1
128
PIN
.......................................................................................................................................................
13
1.5
P
IN
D
ESCRIPTION
...............................................................................................................................................
14
1.5.1
128
P
IN
.......................................................................................................................................................
14
2.
P
IN
D
ESCRIPTION
..........................................................................................................................................................
18
2.1
P
OWER
............................................................................................................................................................
19
2.2
C
LOCK
.............................................................................................................................................................
19
2.3
R
ESET
..............................................................................................................................................................
19
2.4
CD
‐
DSP
I
NTERFACE
...........................................................................................................................................
20
2.5
DAC
I
NTERFACE
................................................................................................................................................
20
2.6
ARM7TDMI™
ICE
S
YSTEM
I
NTERFACE
................................................................................................................
21
2.7
USB
I
NTERFACE
.................................................................................................................................................
21
2.8
HUART
I
NTERFACE
............................................................................................................................................
21
2.9
SPI
I
NTERFACE
..................................................................................................................................................
21
2.10
SDRAM
I
NTERFACE
...........................................................................................................................................
22
2.11
ROM/NVRAM
I
NTERFACE
.................................................................................................................................
23
2.12
GPIO
D
ESCRIPTION
...........................................................................................................................................
24
3.
A
DDRESS
M
AP
..............................................................................................................................................................
26
3.1
O
VERVIEW
........................................................................................................................................................
27
3.2
M
EMORY
M
AP
..................................................................................................................................................
27
4.
CPU
...........................................................................................................................................................................
29
4.1
P
ROCESSOR
O
PERATING
S
TATES
...........................................................................................................................
30
4.1.1
S
WITCHING
S
TATE
..........................................................................................................................................
30
4.2
M
EMORY
F
ORMATS
...........................................................................................................................................
30
4.3
D
ATA
T
YPES
......................................................................................................................................................
31
4.4
O
PERATING
M
ODES
...........................................................................................................................................
31
4.5
R
EGISTERS
........................................................................................................................................................
31
4.5.1
T
HE
ARM
‐
STATE
R
EGISTER
S
ET
........................................................................................................................
32
4.5.2
T
HE
T
HUMB
‐
STATE
R
EGISTER
S
ET
.....................................................................................................................
34
4.5.3
T
HE
RELATIONSHIP
BETWEEN
ARM
‐
STATE
AND
T
HUMB
‐
STATE
REGISTERS
.................................................................
35
4.5.4
A
CCESSING
HIGH
REGISTERS
(
R
8
‐
R
15)
IN
T
HUMB
STATE
........................................................................................
35
4.6
T
HE
P
ROGRAM
S
TATUS
R
EGISTER
.........................................................................................................................
35
4.6.1
C
ONDITION
C
ODE
F
LAGS
.................................................................................................................................
36
4.6.2
C
ONTROL
B
ITS
...............................................................................................................................................
36
4.6.3
R
ESERVED
B
ITS
..............................................................................................................................................
37
4.7
E
XCEPTIONS
......................................................................................................................................................
37
4.7.1
E
XCEPTION
E
NTRY
A
ND
E
XIT
SUMMARY
.............................................................................................................
37
4.7.2
E
NTERING
A
N
E
XCEPTION
................................................................................................................................
38
4.7.3
L
EAVING
A
N
E
XCEPTION
..................................................................................................................................
38
4.7.4
F
AST
INTERRUPT
REQUEST
...............................................................................................................................
38
4.7.5
I
NTERRUPT
REQUEST
.......................................................................................................................................
39
Summary of Contents for CE130/55
Page 8: ...3 BLOCK DIAGRAM ...
Page 9: ...4 WIRING DIAGRAM ...
Page 10: ...5 CIRCUIT DIAGRAM MAIN BOARD ...
Page 11: ...6 CIRCUIT DIAGRAM MAIN BOARD ...
Page 14: ...MAIN PCB COMPONENT LAYOUT TOP SIDE VIEW 9 ...
Page 15: ...MAIN PCB COMPONENT LAYOUT BOTTOM SIDE VIEW 10 ...
Page 16: ...PANEL PCB COMPONENT LAYOUT TOP SIDE VIEW 11 ...
Page 17: ...PANEL PCB COMPONENT LAYOUT BOTTOM VIEW PANEL PCB COMPONENT LAYOUT BOTTOM VIEW 12 ...
Page 18: ...TUNER PCB COMPONENT LAYOUT TOP SIDE VIEW 13 ...
Page 19: ...TUNER PCB COMPONENT LAYOUT BOTTOM IDE S VIEW 14 ...
Page 20: ...SET EXPLODER VIEW DRAWING 15 ...
Page 22: ...BX8804 8805 User s Manual Revision 0 93 May 23 2008 ...
Page 30: ...BX8804 8805 9 21 1 PRODUCT OVERVIEW ...
Page 39: ...BX8804 8805 18 21 20 PACKAGE DIMENSIONS ...
Page 41: ...BX8804 8805 20 21 21 ELECTRICAL CHARACTERISTICS ...