Version: 1.18
PRELIMINARY/CONFIDENTIAL
TrueSpeech® Co-Processor
15 CT8022 EVB Schematic
15.1 CT8022 EVB
CT8022 EVB is intended for functionality evaluation and SW development. It is suitable for the entire CT802x
family, and can accommodate CT8020, CT8021 and CT8022.
"CDI"
VCC1
VCC1
VCC1
VCC
VCC
C5
C13
.1uF
C14
.1uF
U10
.1uF
VCC
U1
THE DSP
GROUP
INC.
14
11
8
7
4
5
68
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
RSTN
CRDN
CWRN
DRDN
DWRN
DCSN
BRDN
CD0
VCC
OUT
GND
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
RESETN
TEST
EINTN
CLKOUT
PLLB
AVCC
XIN
XOUT
PLLR
PRDN
PWRN
69
JP1
6
72
gnd
gnd
gnd
gnd
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
VCCO
DRDN
C1
7
73
J3
VCC
DWRN
.1uF
8
74
CA15
OSC. 80 MHz
OPTION: PLL BYPASS
VCC1
VCC
DCSN
1
gnd
R1
9
75
CA14
CA13
CA12
CA11
CA10
CA9
CA8
CA7
CA6
CA5
CA4
CA3
CA2
CA1
CA0
BRDN
2
12
13
14
15
16
17
18
21
22
23
24
25
26
27
30
31
32
33
34
35
36
37
38
41
42
43
46
47
48
49
52
53
54
55
58
59
60
61
64
65
66
67
78
HD0
HD1
MDB0
3
VCC1 gnd
79
CD1
MDB1
4
80
JP6
RESETN
CD2
HD2
MDB2
5
81
CD3
HD3
gnd
1
2
3
MDB3
6
PLLOFF
PLLON
84
2k
EINTN
CD4
HD4
MDB4
7
85
CD5
HD5
MDB5
8
VCC1
86
R21
100
PLLB
PLLV
CD6
HD6
MDB6
9
gnd
R22
87
HEADER 3
CD7
HD7
MDB7
10
11
12
13
14
15
16
17
18
19
20
90
XIN
CD8
HAD0
HRDN
HWRN
IRQN
GPIO0
MDB8
91
R23
R24
100
XOUT
CD9
MDB9
C24
.1uF
92
PLLR
CD10
CD11
CD12
CD13
CD14
CD15
CREADN
MDB10
MDB11
MDB12
MDB13
MDB14
MDB15
CREADN
BRQN
93
1M
Y1
C23 PLLC
PLLT
PLLC
PLLT
C25
10uF10V
96
1K
PLLRC
+
97
GNDA
RESETN
AGND
DX0
98
1n
DX0
gnd
C21
10p
PLLG
C22
10p
99
CWRN
CRDN
DWRN
DRDN
BRDN
4 Mhz
DR0
Agnd
DR0
100
101
102
103
106
107
108
109
112
113
114
115
116
117
118
121
122
123
124
127
128
1
VCC1
DX1
EINTN
R17
10
DX1
DR1
-5VA
+5VA
VCC
DR1
SCLK
FSYNC
ABORTN
BOOT
DBG
SCLK
BGRNTN
HSTDB0
HSTDB1
HSTDB2
HSTDB3
HSTDB4
HSTDB5
HSTDB6
HSTDB7
HSTAB0
HSTAB1
HSTAB2
HSTAB3
IRQN
HSTRDN
HSTWRN
HSTCSN
TXDREQ
TXDACN
RXDREQ
RXDACN
BMODE
SINGLE GND CONNECTION
HD0
HEADER 20
FSYNC
ABORTN
BOOT
DBG
CODECS
VCC1
HD1
JP2
URST
DBG
BOOT
DR0
DX0
HD2
HAD1
HAD2
HAD3
TXDACN
TXDRQ
GPIO5
RXDRQ
RXDACN
DR0
DX0
1
2
3
4
5
6
7
8
gnd
JP3
HD3
J4
FSYNC
SCLK
DR1
URST
HD4
FSYNC
SCLK
DR1
1
2
3
URST
1
2
3
4
5
6
EXTP
HD5
EXTP
ABORTN
RSTN
BSEL
CA0
HD6
HCSN
BSEL
DX1
HD7
DX1
ADDR0
ADDR1
ADDR2
ADDR3
ADDR4
ADDR5
ADDR6
ADDR7
ADDR8
ADDR9
ADDR10
ADDR11
ADDR12
ADDR13
ADDR14
ADDR15
HEADER 3
CA1
HAD0
HAD1
HAD2
HAD3
IRQN
HRDN
HWRN
HCSN
TXDRQ
TXDACN
RXDRQ
RXDACN
BMODE
CD0
CT8021CD.SCH
CA2
VCC
gnd
CD1
CA3
VCC
gnd
VCC
gnd
CD2
CA4
HEADER 6
HEADER 8
CD3
CA5
CD4
CA6
C10
CD5
CA7
+
10uF10V
C11
.1uF
C12
.1uF
CD6
CA8
J15
CD7
CA9
GPIO1
GPIO2
GPIO3
1
2
3
4
5
6
VCC1
CD8
CA10
CA11
CA12
CA13
CA14
CA15
CD9
JP4
gnd
VCC
BOOTP
2
3
CD10
CD11
CD12
CD13
CD14
CD15
8
1
2
3
7
VCC
JP12
6
R2
R3
5
1
3
5
2
4
6
gnd
BOOT
DBGP
gnd
DBG
HEADER 3
HEADER 6
4
CT8022
VCC1
VCC1
3
VCC1
gnd
10K
10K
EINTN
R4
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
VCC
VCC
2
gnd
HEADER 3X2
ABORTN
URST
R5
1
R6
C2
10uF10V
HIF7A-50P-1.27DS
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
TXDACN
RXDACN
R50
R51
R52
R53
R54
R55
R56
R57
R15
R16
+
gnd
gnd
C3
C4
.1uF
.1uF
FSYNC
SCLK
IRQN
R18
R19
R20
10K
10K
10K
U55B
4
5
CA14
CA15
JP17
6
gnd
gnd
gnd
CEPN
CSN
DCSN
1
2
3
74F08
U55C
HEADER 3
U33
U3
10
9
11
12
13
15
16
17
18
19
10
9
11
12
13
15
16
17
18
19
CA0
CA1
CA2
CA3
CA4
CA5
CA6
CA7
CA8
CA9
CA10
CA11
CA12
A13
CD8
CD9
JP14
CA0
CA1
CA2
CA3
CA4
CA5
CA6
CA7
CA8
CA9
CA10
CA11
A12
CD0
A0
D1
D2
D3
D4
D5
D6
D7
D8
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
D1
D2
D3
D4
D5
D6
D7
D8
9
CWRN
DWRN
CA14
CD1
CD2
CD3
CD4
CD5
CD6
CD7
A1
1
2
3
8
8
8
WRN
CD10
CD11
CD12
CD13
CD14
CD15
A14
A2
10
7
7
BSEL
A3
6
6
A4
5
5
HEADER 3
74F08
A5
4
4
A6
3
3
JP15
A7
25
24
21
23
2
25
24
21
23
2
CA12
A12
BSEL
A8
1
2
3
VCC
gnd
A9
A10
A11
A12
A13
A14
HEADER 3
VCC
gnd
VCC
gnd
VCC
gnd
VCC
gnd
VCC
26
1
C55
.1uF
26
1
A13
DSP GROUP
CA14
JP16
A14
CA13
A13
1
2
3
20
22
27
20
22
27
3120 SCOTT BLVD
SANTA CLARA, CA, 95054
CSN
CREADN
WRN
CSN
CE
OE
WE
CE
OE
WE
C51
.1uF
C52
.1uF
C53
.1uF
C56
.1uF
C54
.1uF
CREADN
WRN
VCC1
Size
B
Document Number
N:\COMMON\VICTOR\CT8021.DSN
Rev
HEADER 3
MCM6206-25
MCM6206-25
gnd
Date:
Tuesday, April 13, 1999
Sheet
1
of
2
CT8022A11AQC FW Revision 0118 DSP GROUP, INC., 3120 SCOTT BOULEVARD
SANTA CLARA, CA 95054 PH: 408 986 – 4300 FAX: 408 986 – 4490
177
All specifications are subject to change without prior notice.
ETC [ ETC ]
