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R348
D[0..23]
D[0..23]
G2
1
SCK
CONTROL PAL
SERIAL
D1
D3
D9
D10
D11
LED1
LED2
LED3
LED4
LED5
LED6
D12
D13
IO0
2
IO1
3
IO2
4
IO3
5
IO4
6
IO5
7
IO6
8
IO7
9
IO8
14
IO9
15
IO10
16
IO11
17
IO12
18
IO13
19
IO14
20
IO15
21
IO16
24
IO17
25
IO18
26
IO19
27
IO20
28
IO21
29
IO22
30
IO23
31
IO24
36
IO25
37
IO26
38
IO27
39
IO29
41
IO30
42
IO31
43
CLK0/I2
13
CLK1/I5
35
VCC
44
GND
12
GND
23
GND
34
GND
1
VCC
22
IO28
40
I0
10
I1
11
I3
32
I4
33
U87
MACH210PLCC
NC
(DSPRST)
D0
D2
D4
SCCLK
SCTD
(DSPRST)
(GTRIG)
OVLD1
OVLD2
SCLO
D14
SCK_DISABLE
SCK_DISABLE
DSPCLOCK
SCLOCK
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
GND
10
VCC
20
U8
74ALS244
SCTD
SCLO
SCCLK
A4
C4
1
C4
1
A4
1
DSPCLK
SCK
VCC
R12
332
R10
332
R344
49.9
R17
49.9
C2
B5
1
+5D1
VCC
A
+5D1
+5D1
A1
1
A2
4
VCC
8
GND
5
C1
2
C2
3
VO1
7
VO2
6
U9
HCPL-2631
R15
475
R14
475
CTRL[0..18]
CTRL11
CTRL12
CTRL13
CTRL14
CTRL15
CTRL16
CTRL17
CTRL18
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH'
9
QA
15
SER
14
SRCLR
10
RCLR
13
RCK
12
SRCK
11
VCC
16
GND
8
U11
74HC594P
CTRL[0..18]
E4
3
A1
6
CTRL2
CTRL3
CTRL4
CTRL5
CTRL6
CTRL7
CTRL8
CTRL9
CTRL10
A
+5D1
+5D1
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH'
9
QA
15
SER
14
SRCLR
10
RCLR
13
RCK
12
SRCK
11
VCC
16
GND
8
U35
74HC594P
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH'
9
QA
15
SER
14
SRCLR
10
RCLR
13
RCK
12
SRCK
11
VCC
16
GND
8
U12
74HC594P
A
A
A
VCC
C443
0.1uF
C2
0.1uF
A
+5D1 +5D1
+5D1
+5D1
A1
1
A2
4
VCC
8
GND
5
C1
2
C2
3
VO1
7
VO2
6
U10
HCPL-2631
R13
475
(BUF_DSPRST)
R11
332
R385
332
B4
3
ENABLE-A
SCK_DISABLE
+5D1
1
2 7
8
U94A
ILD213
R112
332
F3
7
VCC
NC
(DWR)
(DWR)
VCC
OVLD1
VCC
R113
1k
R114
1k
F3
1
(DRD)
(CEP0)
CLKOUT
(DRD)
(CEP0)
D8
LED0
CLKOUT
VCC
VCC
VCC
D5
3
14
1
13
10
8
7
2
11
6
DS2
LED0
LED1
LED2
10k
R350
10k
R335
330
R337
330
F3
F4
E3
1
LED3
LED4
LED5
LED6
R338
330
R339
330
R340
330
R341
330
R342
330
VCC
VCC
R333
10k
CR15
OVLD2
ENABLE-B
+5D1
3
4 5
6
U94B
ILD213
R111
332
F3
8
(HIRES)/HIBW
B_BPF
2BP2
2BP3
2BP4
2BP5
2BP6
2BP7
2BP8
2BP9
2BP10
2BP11
2BP12
CTRL0
CTRL1
A
+5D1
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH'
9
QA
15
SER
14
SRCLR
10
RCLR
13
RCK
12
SRCK
11
VCC
16
GND
8
U32
74HC594P
E2
3
A5
5
D4
6
2BP[0..12]
C3
5
A3
5
A_BPF
1BP8
1BP9
1BP10
1BP11
1BP12
2BP0
2BP1
2BP[0..12]
+5D1
+5D1
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH'
9
QA
15
SER
14
SRCLR
10
RCLR
13
RCK
12
SRCK
11
VCC
16
GND
8
U34
74HC594P
A
A
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH'
9
QA
15
SER
14
SRCLR
10
RCLR
13
RCK
12
SRCK
11
VCC
16
GND
8
U33
74HC594P
D1
1
PB[0..14]
PB[0..14]
PB0
PB1
PB2
PB3
H0
H1
H2
H3
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
OE
19
DIR
1
B1
18
B2
17
B3
16
B4
15
B5
14
B6
13
B7
12
B8
11
U86
74FCT2245
R334
49.9
H0
H1
HOST
PORT
1
23456789
20
11
10
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
RC3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
J17
J17
CONNECTS
TO J53
A6
BOARD
11
MAIN/CPU
H2
H3
H4
H5
H6
H7
HA0
HA1
HA2
HR/(W)
HEN
HREQ
HEN
HA0
HA1
HA2
H4
H5
H6
H7
SBIT
HR/(W)
1A1
2
1A2
4
1A3
6
1A4
8
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2A1
11
2A2
13
2A3
15
2A4
17
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1OE
1
2OE
19
U85
74FCT2244
PB4
PB5
PB6
PB7
PB8
PB9
PB10
PB12
VCC
R345
10k
A
+5D1
RST
1
VCC
3
GND
2
GND
4
U101
DS1233SOT223
1BP0
1BP1
1BP2
1BP3
1BP4
1BP5
1BP6
1BP7
1BP[0..12]
+5D1
A
1BP[0..12]
B2
3
C1
5
(RESET_GEN)
PB11
A4
1
(CABLE_HREQ)
SBIT
HR/(W)
VCC
R288
100
R287
10k
C4
1
SBIT
GENRST
(GTRIG)
AA12.288
(AA12.288)
VCC
CR14
A4
1
AM 700 CONTROL AND I/O
PART OF A5 AUDIO GENERATOR BOARD
2
R336
330
DATA ISOLATORS
BIDIRECTIONAL BUFFERS
SERIAL CONTROL REGISTER