Yamaha M7CL-32 Service Manual page 61

MBCG46183-129-PFV (XV833A00) SIO4 (Gate Array)
PIN
NAME I/O
NO.
1 D5 I/O
2 D6 I/O Data Bus
3 D7 I/O
4 IRQ0 I/O Interrupt Request Port 0
5 IRQ1 I/O Interrupt Request Port 1
6 Vss – Ground
7 IRQ2 I/O Interrupt Request Port 2
8 IRQ3 I/O Interrupt Request Port 3
9 RD I Read Signal Input
10 WR I Write Signal Input
11 CE I Chip Enable Input
12 ASTB I Address Strobe (Not used: to ground)
13 TESTSIO I Input with Pull-down Resistor (50 k)
14 RX0 I Receive Data 0
15 TX0 O Transmit Data 0
16 RX1 I Receive Data 1
17 TX1 O Transmit Data 1
18 VSS18 – Ground
19 VDD19 – Power Supply +5 V
20 RX2 I Receive Data 2
21 TX2/BO2 O Transmit Data 2
22 RX30 I Receive Data 30
23 TX30 O Transmit Data 30
24 TX31 I Receive Data 31
AK4393-VF-E2 (XW029A00) DAC (Digital to Analog Converter)
PIN
NAME I/O
NO.
1 DVSS - Digital ground
2 DVDD - Digital power supply +3.3 V
3 MCLK I Master clock
4 /PD I Power down mode
5 BICK I Audio serial data clock
6 SDATA I Audio serial data input
7 LRCK I L/R clock
8 SMUTE//CS I Soft mute
9 DFS I Double speed sampling mode
10 DEM0/CCLK I
De-emphasis enable
11 DEM1/CDTI I
12 DIF0 I
13 DIF1 I Digital input format
14 DIF2 I
FUNCTION
FUNCTION
PIN
NAME I/O
NO.
25 TX31 O Transmit Data 31
26 RX32 I Receive Data 32
27 TX32 O Transmit Data 32
28 RX33 I Receive Data 33
29 TX33 I/O Transmit Data 33
30 IC I Initial Clear
31 VSS1 – Ground
32 XI I Quartz Crystal Input
33 VSS3 – Ground
34 XO I/O Quartz Crystal Onput
35 A0 I
36 A1 I
37 A2 I
Address Bus
38 A3 I
39 A4 I
40 A5 I
41 CPUCLK I CPU Clock
42 VSS42 – Ground
43 VDD43 – Power Supply +5 V
44 D0 I/O
45 D1 I/O
46 D2 I/O Data Bus
47 D3 I/O
48 D4 I/O
PIN
NAME I/O
NO.
15 BVSS - Substrate ground
16 VREFL I Low level voltage reference
17 VREFH I High level voltage reference
18 AVDD - Analog power supply +5 V
19 AVSS - Analog ground
20 AOUTR- O Rch negative analog output
21 AOUTR+ O Rch positive analog output
22 AOUTL- O Lch negative analog output
23 AOUTL+ O Lch positive analog output
24 VCOM O Common voltage output
25 P//S I Parallel/serial select
26 CKS0 I
27 CKS1 I Master clock select
28 CKS2 I
M7CL-32/M7CL-48
DSP32: IC401
DSP48: IC401
FUNCTION
DA: IC903–906
DCMS: IC906
FUNCTION
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