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MIDI SOUND circuit description
The YMU762 has features as described below.
• Simultaneous generation of up to 40 tones:
• Polyphonic synthesizer specification
• Has built-in default tones for FM and Waveform table synthesizers in the ROM, and the tones can
be downloaded to RAM.
• Stream replay with ADPCM/PCM
• Software interrupt mechanism for external synchronization
• Equipped with 8 bit parallel I/F for control from CPU
• Equipped with speaker amplifier and equalizer circuit
• Has built-in PLL to support inputting of master clock up to 20 MHz.
• Contains a 16-bit stereophonic D/A converter.
(1608)
MIDI
22n
1000p
C200
C215
R202 120K
C219
4.7u
47p
C207
0.1u
C216
C214
0.1u
6
PLLC
SPOUT1
17
SPOUT2
18
SPVDD
15
16
SPVSS
VDD
7
VREF
9
8
VSS
_CS
29
3
_IRQ
31
_RD
4
_RST
28
_WR
D1
26
D2
25
D3
24
D4
23
22
D5
21
D6
20
D7
12
EQ1
EQ2
13
EQ3
14
HPOUT_L
10
HPOUT_R
11
IOVDD
32
2
LED
MTR
19
NC
5
YMU762C-QZ
U200
30
A0
1
CLK1
D0
27
39K
R201
C205
10p
C206
47p
R200 36K
C201
22n
VBAT
1000p
C202
R203 3.3K
C203
47p
V_SRAM
C204
0.033u
C217
0.1u
C218
0.01u
SPKN
MIDI_SPK_I
MIDI_CS
D(0:7)
SPKP
MCLK
MELODY_INT
_WR
A(1)
_RD
D(0)
VIBRATOR
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
LCD_RESET
Figure 22. MIDI sound Circuit
Z3X-BOX.COM
Содержание MG210
Страница 1: ...Date May 2006 Issue 1 0 Service Manual MG210 Service Manual Model MG210 Z 3 X B O X C O M ...
Страница 3: ... 2 Z 3 X B O X C O M ...
Страница 5: ...Z 3 X B O X C O M ...
Страница 32: ...3 H W Circuit Description 31 Figure 14 Power Supply Scheme Z 3 X B O X C O M ...
Страница 45: ...4 2 KEYPAD Components Placement 4 TROUBLE SHOOTING 44 U301 MIC200 Z 3 X B O X C O M ...
Страница 46: ...4 TROUBLE SHOOTING 45 4 3 FPCB Components Placement 4 4 Baseband Components LD1 BAT1 CN2 CN3 Z 3 X B O X C O M ...
Страница 87: ...4 TROUBLE SHOOTING 86 Waveform PA_ON VRAMP Z 3 X B O X C O M ...
Страница 91: ...5 DOWNLOAD 90 5 2 Download Procedure 5 2 1 Computer Program file MultiGSM exe Click Z 3 X B O X C O M ...
Страница 93: ...5 DOWNLOAD 92 5 2 3 Configuration Setting C GSMULTI Model MG210 dll Z 3 X B O X C O M ...
Страница 94: ...5 DOWNLOAD 93 5 2 4 Press Start Button MG210 Z 3 X B O X C O M ...
Страница 95: ...5 DOWNLOAD 94 5 2 5 After Start Button Which Stand by condition MG210 Z 3 X B O X C O M ...
Страница 96: ...5 DOWNLOAD 95 5 2 6 SW downloading Condition MG210 Z 3 X B O X C O M ...
Страница 97: ...5 DOWNLOAD 96 5 2 7 SW downloading END Condition MG210 Z 3 X B O X C O M ...
Страница 100: ...6 SERVICE AND CALIBRATION 99 4 Click on CALIBRATION START button MG210 MG210 Z 3 X B O X C O M ...
Страница 101: ... 100 Z 3 X B O X C O M ...
Страница 106: ... 105 8 pcb layout Z 3 X B O X C O M ...
Страница 107: ... 106 8 pcb layout Z 3 X B O X C O M ...
Страница 111: ... 110 Z 3 X B O X C O M ...
Страница 126: ...Note Z 3 X B O X C O M ...
Страница 127: ...Note Z 3 X B O X C O M ...