
10.
Circuit Diagrams and PWB Layouts
10-6-4
FLASH/XTAL/JTAG/UART
19361_503_121211.eps
121211
FLASH/XTAL/JTAG/UART
B04
B04
2012-08-15
B
715G5632
FLASH/XTAL/JTAG/UART
JTRST#
5
JTMS
5
JTDO
5
U0RX
U0TX
R494
4.7K 1/16W
DVDD3V3
OPCTRL5
R1120
NC/10K 1/16W 5%
R1122
NC/10K 1/16W 5%
U0TX
5,10
ORESET#
JTDI
5
ORESET#
5
JTCK
5
R1124
10K 1/16W 5%
OXTALO
5
OXTALI
5
+5VSB
CN410
CONN
1
2
3
RESET Circuit
R482
2.2K 1/16W
Q405
BC847C
SYS_EEPROM_WP
GND
4,5,6,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22
JTAG_DBGACK
JTAG_DBGRQ
TVTREF#1
JTDI
JTMS
JTCK
OXTALI
OXTALO
R1121
10K 1/16W 5%
PARB#
R467
4.7K 1/16W
POOE#
POCE1#
U0TX
U0RX
U0RX
5,10
HY27US08561A-TPCB
U403
NC23
39
NC1
1
NC2
2
NC3
3
NC4
4
NC5
5
NC26
46
ALE
17
CLE
16
WE
18
NC17
26
NC8
11
WP
19
RY/BY1
7
NC9
14
NC10
15
NC18
27
NC19
28
NC11
20
NC12
21
NC13
22
I/O3
32
NC20
33
VSS2
36
VCC1
12
RE
8
VCC2
37
I/O2
31
I/O1
30
I/O0
29
VSS1
13
NC25
45
I/O7
44
I/O6
43
I/O5
42
I/O4
41
NC24
40
NC14
23
NC15
24
NC16
25
CE1
9
NC21
34
NC22
35
NC27
47
PRE
38
NC6
6
NC7
10
NC28
48
POOE#
OSCL0
OSDA0
R1123
10K 1/16W 5%
R1125
NC/10K 1/16W 5%
SYS_EEPROM_WP
5,10,12
SYS_EEPROM_WP
OPCTRL4
DVDD3V3
DVDD3V3
PACLE
AOSDATA1
3V3SB
DVDD3V3
OSCL0
OSDA0
R487
4.7K 1/16W
System EEPROM
UART 0
JTAG
R479
4.7K 1/16W
OPCTRL4
Straping
AOSDATA1
OPCTRL5
R465
4.7K 1/16W
SYSTEM
OPCTRL4
5,16
R480
0R05 1/16W
CN409
NC/60947 20P 1.25MM
1
3
5
7
9
11
13
15
17
19
2
4
6
8
10
12
14
16
18
20
21
22
R47
3
10K 1/16W 5
%
R475
10K 1/16W 5
%
R470
4.7K 1/16W
U408
CAT803STBI-GT3
GND
1
RESET
2
Vcc
3
R476
1K 1/16W 5%
R491
NC/3.6K +-1% 1/16W
R490
5.1K 1%
R478
4.7K 1/16W
R488
NC/820R 1/10W 1%
R481
33R 1/16W 5%
R472
10K 1/16W 5
%
R471
10K 1/16W 5
%
R483
10K 1/16W 5%
C485
33P 50V
PDD7
PDD5
PDD6
PDD4
PDD3
PDD2
R474
10K 1/16W 5
%
PDD1
PDD0
R485
10K 1/16W 5%
POCE1#
POCE1#
PARB#
PACLE
POWE#
PAALE
3V3SB
R477
4.7K 1/16W
DVDD3V3
DVDD3V3
3V3SB
PDD7
5
PDD5
5
PDD6
5
PDD4
5
U405
M24C32-WMN6TP
VSS
4
VCC
8
SDA
5
SCL
6
E0
1
E1
2
E2
3
WC
7
PDD3
5
R486
4.7K 1/16W
PDD2
5
X401
27MHz
1
2
PDD1
5
PDD0
5
PDD3
PDD0
PDD2
PDD1
PDD6
PDD4
PDD5
PDD7
POCE1#
5
C483
30PF
C484
27P 50V
3V3SB
DVDD3V3
C481
100N 16V
Flash
DVDD3V3
4,5,6,9,13,14,15,16,17,18,19,21,22
DVDD3V3
3V3SB
+5VSB
PAALE
POWE#
OSCL0
5,13,15,18
OSDA0
5,13,15,18
Flash_WP#
STRAPPING
HI = > WRITE
LO = > WP
SYS_EEPROM_WP#
SYS_EEPROM_WP#
SYSTEM EEPROM
OXTALI
UART Port 0
27MHz CRYSTAL
FOR CODE DOWNLOAD AND DEBUG
OXTALO
JTAG Port
NAND Flash (32MB/32Mx8)
JTRST#
3V3SB
4,5,12,18
JTDO
+5VSB
4,10,17
JTCK
JTMS
JTDO
JTDI
JTRST#
ORESET#
PARB#
5
POOE#
5
POCE1#
5
PACLE
5
PAALE
5
POWE#
5
AOSDATA1
5
OPCTRL5
5,10,12