View
216
Download
0
Category
Preview:
Citation preview
MCLR9
VDD
12
VDD
32
VDD
48
VDD
71
AVD
D25
VS
S11
VS
S31
VS
S51
AV
SS
26
VDDCORE70
SCL2/INT3/RA252
SDA2/INT4/RA353
AN22/CN22/RA676
AN23/CN23/RA777
VREF-/RA923
VREF+/RA1024
TMS/AN20/INT1/RA1213
TDO/AN21/INT2/RA1314
PGD3/EMUD3/AN0/CN2/RB020
PGC3/EMUC3/AN1/CN3/RB119
AN2/SS1/CN4/RB218
AN3/CN5/RB317
AN4/CN6/RB416
AN5/CN7/RB515
PGC1/EMUC1/AN6/OCFA/RB621
PGD1/EMUD1/AN7/RB722
U2CTS/AN8/RB827
AN9/RB928
AN10/RB1029
AN11/RB1130
TCK/AN12/RB1233
TDI/AN13/RB1334
U2RTS/AN14/RB1435
AN15/OCFB/CN12/RB1536
AN16/T2CK/T7CK/RC12
AN17/T3CK/T6CK/RC23
AN18/T4CK/T9CK/RC34
AN19/T5CK/T8CK/RC45
OSC1/CLKIN/RC1249
PGD2/EMUD2/SOSCI/CN1/RC1359
PGC2/EMUC2/SOSCO/T1CK/CN0/RC1460
OSC2/CLKO/RC1550
OC1/RD0 58
OC2/RD1 61
OC3/RD2 62
OC4/RD3 63
OC5/CN13/RD4 66
OC6/CN14/RD5 67
OC7/CN15/RD6 68
OC8/CN16/RD7 69
IC1/RD8 54
IC2/RD9 55
IC3/RD10 56
IC4/RD11 57
IC5/RD12 64
IC6/CN19/RD13 65
IC7/U1CTS/CN20/RD14 37
IC8/U1RTS/CN21/RD15 38
C1TX/RF1 73
U1RX/RF2 42
U1TX/RF3 41
U2RX/CN17/RF4 39
U2TX/CN18/RF5 40
SCK1/INT0/RF6 45
SDI1/RF7 44
SDO1/RF8 43
C2RX/RG0 75
C2TX/RG1 74
SCL1/RG2 47
SDA1/RG3 46
SCK2/CN8/RG6 6
SDI2/CN9/RG7 7
SDO2/CN10/RG8 8
SS2/CN11/RG9 10
CSDI/RG12 79
CSDO/RG13 80
CSCK/RG14 78
COFS/RG15 1
C1RX/RF0 72
U1
DSPIC33FJ128GP708
+3.3V
C1
10uFX5R
C2100nFX7R
C3100nFX7R
C4100nFX7R
C5100nFX7R
C6
100nFX7R
MCLR
R110K
+3.3V
12345
ICSP/ICD
J1
+3.3V
PGDPGC
MCLR
GATE
I1 O112345678
GATE IN
J3
GATE 1GATE 2GATE 3GATE 4GATE 5
GATE 6
GATE 7
GATE 8
GATE 1GATE 2GATE 3GATE 4GATE 5GATE 6GATE 7GATE 8
CV
I1a O1 CV 1
CV 2
CV 3
CV 4
CV 5CV 6CV 7CV 8CV 9CV 10CV 11CV 12
CV 1CV 2
CV 3CV 4CV 5CV 6CV 7CV 8CV 9
CV 10CV 11CV 12
A03
A14
A25
A36
A47
A516
A617
A718
A819
A920
A1026
A1127
A1228
WE 15OE 37
CE 8
IO0 9
IO1 10
IO2 13
IO3 14
IO4 31
IO5 32
IO6 35
IO7 36
A1329
A1430
VCC
11V
SS
12
A1538
A1639
A1740
A1841
VS
S34
VCC
33U2
CY7C1049DV33
C8100nFX7R
SRAM OESRAM WE
SRAM OESRAM WE
SRAM A0SRAM A1SRAM A2
SRAM A4SRAM A3
SRAM A5SRAM A6SRAM A7SRAM A8SRAM A9
SRAM A10SRAM A11SRAM A12SRAM A13SRAM A14SRAM A15SRAM A16SRAM A17SRAM A18
DIO SCK1DIO SDI1DIO SDO1
DIO SDI2DIO SCK2
DIO SDO2
DIO SCL1DIO SDA1
DIO GPIO
DIO SS2
DIO GPIO
DIO SS2
DIO SCK1DIO SDI1DIO SDO1
DIO SCL1DIO SDA1DIO SCK2DIO SDI2DIO SDO2
SRAM A0SRAM A1SRAM A2SRAM A3SRAM A4SRAM A5SRAM A6SRAM A7SRAM A8SRAM A9SRAM A10SRAM A11SRAM A12
SRAM A14SRAM A13
SRAM A15
SRAM A16SRAM A17
SRAM A18
I2 O2I3 O3I4 O4I5 O5I6 O6I7 O7I8 O8
I1bI2a O2I2bI3a O3I3bI4a O4I4bI5 O5I6 O6I7 O7I8 O8I9 O9I10 O10I11 O11I12 O12
PGDPGC
AUDIO
POWER
+ 4
- 5
MIDIIN
J10
+ 4
GND 2
- 5
MIDITHRU
J11
+ 4
GND 2
- 5
MIDIOUT
J12
A+3.3V
MIDI
IN1RET1
IN2RET2
OUT1
OUT2
SCLKLRCK
SDOUTSDINCSDOCSCKCOFS
CSDI
U1RXU1TX
CSDOCSDI
CSCKCOFS
LED1LED2
TX
I+
I-
T+TGT-
O+OGO-
RX U1RXU1TX
LED1R5515K
Q1MMBT3904
R531K5
CLIP1
D9
+15V
LED2R5615K
Q2MMBT3904
R541K5
CLIP2
D10
+15V
EEPROM
CKDIDO
123456789101112
DIRECT I/O
J2
+3.3V
1234
SAMPLE RATE
J8
MDIV1MDIV2
+3.3V
RET1 CV
RET2 CV
12345678
AUDIO I/O
J7
EXT+15V
EXT-15VEXT+5V
CS
C71100nFX7R
+15V
12345678910111213141516
CV IN
J4
CV OUT
CKDICS
DIO SCK2DIO SDO2
DIO SS2
CV1CV2CV3CV4
1234
CV OUT
J9
1234
POWER
J5
1234
GND
J6
V+
4G
ND
2
EN1
OUT3
X112 MHz
IN1
IN2RET2
OUT1
SCLKLRCK
SDOUTSDIN
MCLK 3
LRCK 2
SDOUT M/S 7SDIN 1
VLC
8
AGN
D20
AINA15
AINB16
RST14 I2S/LJ11 M19 M010
VD
5D
GN
D6
MUTEA 21
FILT+ 18
SCLK 4
VQ17
VA
19
AOUTA 22
AOUTB 23
MUTEB 24
MDIV112
MDIV213
U9
CS4270
R7951K
C41100nFX7R
+3.3V
R8010K
C422.2uFX5R
D111N4148
+3.3V
R8110K
MDIV1MDIV2
RET2 CV
C46100nFX7R
-15V
+15V
RET1RET1 CV
INPUT BUFFER
INRETRET CV
OUT
C52100nFX7R
C53100nFX7R
INPUT BUFFER
INRETRET CV
OUT
C59100nFX7R
C6010uFX5R
C61100nFX7R
+C6247uF
+3.3V +5V
C641uFX7R
R1042K
R1052K
C661uFX7R
+3.3V
OUTPUT BUFFER
IN OUT
OUT2
OUTPUT BUFFER
IN OUT
C72100nFX7R
I1 O1R2100K
+3.3VD1BAT54S
I2 O2R3100K
+3.3VD2BAT54S
I3 O3R4100K
+3.3VD3BAT54S
I4 O4R5100K
+3.3VD4BAT54S
I5 O5R6100K
+3.3VD5BAT54S
I6 O6R7100K
+3.3VD6BAT54S
I7 O7R8100K
+3.3VD7BAT54S
I8 O8R9100K
+3.3VD8BAT54S
R771M
R781M
R1161M
R601M
R1341M
R1351M
R1361M
R1371M
2IN
Ia
IbO
I1a
I1bO1
-15V
R1433K
-1.65V
R1516K
1 3
2RV1
1KOFFSET TRIM
C15100nFX7R
C16100nFX7R
C28100nFX7R
A+3.3V
1IN
I OI5 O5
2IN
Ia
IbO
I2a
I2bO2
2IN
Ia
IbO
I3a
I3bO3
2IN
Ia
IbO
I4a
I4bO4
1IN
I OI6 O6
1IN
I OI7 O7
1IN
I OI8 O8
1IN
I OI9 O9
1IN
I OI10
1IN
I OI11 O11
1IN
I OI12 O12
O10
3
26
74
1 8
U3
OP07
+15V
A+3.3V
I+
I-TX
T+
TG
T-
O+
O-
OG
R6162R
R6262R
+3.3V
+2
-3
VB 7
VO 6
VCC
8G
ND
5U11
6N139
R591K
R63220R
R5862R
R641K5
R5762R
RX
+3.3V
+3.3V
+U12
74LVC1G34
+3.3V
C63100nFX7R
+3.3V
VI1 VO 3
GN
D2
U4LM2937-3.3
C7100nFX7R
C1010uFX5R
+3.3V
+15V
C11330nFX7R
C12100nFX7R
+5V
VI8 VO 1
GN
D2
GN
D3
GN
D6
GN
D7
U578L05
C1310uFX5R
FB3FERRITE BEAD
A+3.3V
EXT+15V
EXT-15V
EXT+5V
+15V
-15V
FB1FERRITE BEAD
FB2FERRITE BEAD
C4310uF16V+X5R
C5110uF16V+X5R
SYNC9 DIN7 SCLK6 VOUTA 1
VOUTD 5
VDD
8G
ND
3
REFIN10
VOUTB 2
VOUTC 4
U18
DAC7554
3
21
411
U19:A
TL074
CK
If accurate CV output is required(e.g. for pitch CV) then use abetter OpAmp for U19, with lowinput offset voltage and drift.
DICS
CV1A+3.3V
R16100R
+15V
-15V
C65
47pFC0G
R122100K
R12730K
R12630K
-1.65V
5
67
U19:B
TL074
CV2R119100R
C73
47pFC0G
R120100K
R12130K
R12330K
-1.65V
10
98
U19:C
TL074
CV3R124100R
C74
47pFC0G
R125100K
R12830K
R12930K
-1.65V
12
1314
U19:D
TL074
CV4R130100R
C75
47pFC0G
R131100K
R13230K
R13330K
-1.65V
IN7
EC+
6
V+
12V
-5
EC-
4
OUT 2
SYM
3G
ND
8
U10:A
THAT2162
RET
R82100K
R83100K
R842K
R852K7
R86510R
3
21
84
U14:A
4580
R8720K
R886K8
+15V
-15V
RET CV
3
21
84
U15:A
TL072
R89510K
R9012K
+15V
-15V
R91100K
-15V
R922K
+15V
-15V
C45
22pFC0G
IN
5
67
U14:B
4580
+C47
10uF
C48220pFC0G
OUT
RET CV => 0 to 6VEC- => 0.353 to -0.367VVCA Gain => -55 to +57 dB
Want unity gain at RET CV=4VAt RET CV=4V, VCA Gain=20dBSo R87/R92 = 20dB
At output of U14:AIN at unity gainRET at unity gain (when RET CV=4V)
R86/(R85+R86) = 0.1589
Max level into CODEC is 1V rms = 2.828VppSo total of IN and RET can be up to 17.8Vpp without clipping
D12
1N4148
D13
1N4148
1V rms = 2.82Vpp
10Vpp = 3.536V rms
10Vpp = 3.536V rms +C49
10uF
C50
100pFC0G
R11482KInclude only ifVCA omitted
R11751KShould be 30Kif R114/R115included
IN10
EC+
11EC
-13
OUT 15
SYM
14
U10:B
THAT2162
RET
R93100K
R94100K
R952K
R962K7
R97510R
3
21
84
U16:A
4580
R9820K
R996K8
+15V
-15V
RET CV
5
67
U15:B
TL072
R100510K
R10112K
+15V
-15V
R102100K
-15V
R1032K
+15V
-15V
C54
22pFC0G
IN
5
67
U16:B
4580
+C55
10uF
C56220pFC0G
OUT
RET CV => 0 to 6VEC- => 0.353 to -0.367VVCA Gain => -55 to +57 dB
Want unity gain at RET CV=4VAt RET CV=4V, VCA Gain=20dBSo R87/R92 = 20dB
At output of U14:AIN at unity gainRET at unity gain (when RET CV=4V)
R86/(R85+R86) = 0.1589
Max level into CODEC is 1V rms = 2.828VppSo total of IN and RET can be up to 17.8Vpp without clipping
D15
1N4148
D16
1N4148
1V rms = 2.82Vpp
10Vpp = 3.536V rms
10Vpp = 3.536V rms +C57
10uF
C58
100pFC0G
R11582KInclude only ifVCA omitted
R11851KShould be 30Kif R114/R115included
INR106470R
R10710K
10Vpp = 3.536V rms
+C67
3.3uF
C683.3nFC0G
OUT
1V rms = 2.82Vpp3
21
84
U17:A
4580
+15V
-15V
R1083K9
R109750R
On input side of CODEC attenuation is 0.1589So need output gain of 1/0.1589 = 6.294
R108/109 + 1 = 6.2
Impedance at +ve IP U17:A = 570RImpedance at -ve IP U17:A = 629R
INR110470R
R11110K
10Vpp = 3.536V rms
+C69
3.3uF
C703.3nFC0G
OUT
1V rms = 2.82Vpp5
67
U17:B
4580
+15V
-15V
R1123K9
R113750R
On input side of CODEC attenuation is 0.1589So need output gain of 1/0.1589 = 6.294
R108/109 + 1 = 6.2
Impedance at +ve IP U17:A = 570RImpedance at -ve IP U17:A = 629R
A+3.3V
O
Ia
Ib
R10100K
R11100K
R1330K
R1230K
C14
470pFC0G
-1.65V
3
21
411
U6:A
TLV2264A
R65100R
C2910nFC0G
A+3.3V
O
Ia
Ib
R17100K
R18100K
R1930K
R2030K
C17
470pFC0G
-1.65V
5
67
U6:B
TLV2264A
R67100R
C3110nFC0G
A+3.3V
O
Ia
Ib
R21100K
R22100K
R2330K
R2430K
C18
470pFC0G
-1.65V
10
98
U6:C
TLV2264A
R68100R
C3210nFC0G
A+3.3V
O
Ia
Ib
R25100K
R26100K
R2730K
R2830K
C19
470pFC0G
-1.65V
12
1314
U6:D
TLV2264A
R69100R
C3310nFC0G
Recommended