71M6521
Demo Board User’s Manual
Page: 80 of 111
© 2005-2009 TERIDIAN Semiconductor Corporation
Revision 2.18
Figure 4-2: D6521T4A7 Demo Board: Electrical Schematic 2/2
C19
0.1uF
ICE_E
1
2
3
JP8
VBAT
GND
C35
0.1uF
GND
R101
1K
2-3: External Bat. Available
1-2: No External Bat.
To enable RESET
Change R91 to 10K
VBAT
C38
1000pF
R91
0
GND
GND
R109
10K
C49
1000pF
C47
1000PF
V3P3D
1
2
TP17
1
2
3
4
5
6
J15
NC
L10
600 OHM
R95
10K
GND
C43
22PF
VBAT
C12
1000PF
D
EBU
G
CO
NNE
CT
O
R
R1
NC
R84
10K
R153
0
C45
1000pF
GND
AMP 104068-1
LX5093
LX5093
RST_EMUL
TCLK
C46
1000pF
R3
0
GND
OPT_TX_OUT
GND
OPT_RX
C30
1000pF
C13
22pF
R152
NC
R151
0
SW1
R150
0
R154
1K
GND
1
2
3
JP12
COM3
C48
22pF
Title
Size
Document Number
Rev
Date:
Sheet
of
D6521T4A7
7
71M6521 Demo Board Schematic SMT 64 Pin Package
TERIDIAN SEMICONDUCTOR CORP.
B
2
2
Tuesday , April 17, 2007
SEG16
SEG10
SEG02
SEG01
SEG11
SEG30/DIO10
SEG31/DIO11
SEG00
C44
1000pF
SEG05
SEG08
SEG09
SEG14
SEG04
SEG03
SEG15
SEG17
SEG35/DIO15
SEG29/DIO09
SEG37/DIO17
SEG07
SEG06
SEG13
COM2
COM1
COM0
SEG12
SEG18
GND
SEG31/DIO11
SEG35/DIO15
SEG37/DIO17
SEG30/DIO10
SEG29/DIO09
SEG16
SEG12
SEG14
SEG15
SEG17
SEG13
SEG18
SEG05
SEG07
SEG02
SEG03
SEG04
SEG06
SEG01
SEG08
Place caps near connector
SEG09
SEG10
SEG11
SEG00
GND
GND
GND
RESET
TMUXOUT
CKTEST
UART_TX
TMUXOUT_T
CKTEST_T
UART_TX_T
UART_RX
E_RXTX
V3P3D
GND
V3P3
GND
OPT_TX
GND
V3P3D
GND
GND
SEG24/DIO04
E_RST
SEG25/DIO05
GND
R10
62
R87
1K
C3
1uF
C7
22pF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J2
HEADER 8X2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J14
HEADER 10X2
1
2
3
JP4
ICE Enable
R97
62
R79
100
R99
62
R98
62
NC
1
A1
2
NC
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
U4
SER EEPROM
R155
0
C34
1000pF
R108
10K
R11
62
C26
1000PF
R12
62
C28
0.1uF
C20
0.1uF
8B,8C,7DP
1
NC
2
7B,7C,6DP
3
NC
4
NC
5
6B,6C,5DP
6
NC
7
NC
8
5B,5C,4DP
9
NC
10
NC
11
4B,4C,3DP
12
NC
13
NC
14
3B,3C,2DP
15
NC
16
NC
17
2B,2C,1DP
18
NC
19
1B,1C,NC
20
,,COM3
21
COM1,,
22
1A,1G,1D
23
1F,1E,NC
24
2A,2G,2D
25
2F,2E,NC
26
NC,NC,2L
27
3A,3G,3D
28
3F,3E,NC
29
4A,4G,4D
30
4F,4E,NC
31
NC,NC,4L
32
5A,5G,5D
33
5F,5E,NC
34
6A,6G,6D
35
6F,6E,NC
36
NC,NC,6L
37
7A,7G,7D
38
7F,7E,NC
39
8A,8G,8D
40
8F,8E,NC
41
,COM2,
42
U7
VIM-808-DP
C23
0.1uF
COM0_LCD
.
V3P3
PULSE OUTPUTS
SERIAL EEPROM
LCD
EM
U
L
AT
O
R
I
/F
VARh
C40
100PF
C42
100pF
R94
0
1
2
TP22
1
2
TP21
R13
10K
GND
C41
NC
GND
BAT_MODE
RXTX
GND
VBAT
1
2
3
4
5
J12
OPT IF
D5
R74
10K
D6
R76
10K
E_TCLK
SEG27/DIO07
SEG26/DIO06
V3P3
C39
1000pF
R100 1K
Wh
G
NDD
1
E_RXTX/SEG38
2
OPT_TX/DIO2
3
TMUXOUT
4
TX
5
SEG3/SCLK
6
V3P3D
7
CKTEST/SEG19
8
V3
P3
SYS
9
SEG4/SDATA
10
SEG5/SFR
11
SEG37/DIO17
12
COM0
13
COM1
14
COM2
15
COM3
16
SEG00
17
SEG01
18
SEG02
19
SEG34/DIO14
20
SEG35/DIO15
21
SEG36/DIO16
22
SEG6
23
SEG7
24
SEG08
25
SEG09
26
SEG10
27
SEG11
28
SEG12
29
SEG13
30
SEG14
31
SEG15
32
SEG16
33
SEG17
34
SEG18
35
ICE_E
36
SEG24/DIO4
37
SEG25/DIO5
38
SEG26/DIO6
39
SEG27/DIO7
40
SEG28/DIO8
41
SEG29/DIO9
42
SEG30/DIO10
43
SEG31/DIO11
44
RX
45
RESET
48
OPT_RX/DIO1
57
E_RST/SEG32
63
E_TCLK/SEG33
64
PB
62
X4MHZ
58
TEST
60
VBAT
4
6
U5B
6521-TQFP
SW2