Yamaha M2500E User Manual

M2500

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LSI PIN DESCRIPTION

HD6435208A00P (XK278A00) CPU <H8/520>

PIN
NO.

NAME I/O FUNCTION

1 EXT I Clock 33 A7 O
2 EXTAL I 34 A8 O
3 /WAIT I Bus cycle wait 35 A9 O
4 /IRQ0 O Interrupt request 36 A10 O
5 A18 O 37 A11 O Address bus
6 A17 O Address bus 38 A12 O
7 A16 O 39 A13 O
8 /AS O Address strobe 40 A14 O

9 /RD O Read strobe 41 A15 O
10 /WR O Write strobe 42 AVCC Analog power supply
11 VCC Power supply 43 P50 O
12 MD0 I 44 P51 O
13 MD1 I Mode select 45 P52 O
14 MD2 I 46 P53 O Port 5
15 /RES I Reset 47 P54 O
16 NMI I Non-maskable interrupt request 48 P55 O
17 VSS Ground 49 P56 O
18 D0 I/O 50 P57 O
19 D1 I/O 51 VSS Ground
20 D2 I/O 52 AVSS Analog ground
21 D3 I/O Data bus 53 AN0 I
22 D4 I/O 54 AN1 I Analog data input
23 D5 I/O 55 AN2 I
24 D6 I/O 56 AN3 I
25 D7 I /O 57 AVCC Analog power supply
26 A0 O 58 TXD2 O Transmit data
27 A1 O 59 RXD2 I Receive data
28 A2 O 60 A19 O Address bus
29 A3 O Address bus 61 TXD1 O Transmit data
30 A4 O 62 RXD1 I Receive data
31 A5 O 63 SCLK I Clock for serial operation
32 A6 O 64 VSS Ground

PIN
NO.

NAME I/O FUNCTION

AK4320-VM-E1 (XR361A00) DAC

PIN
NO.

NAME I/O FUNCTION

1 CKS I Clock select 13 DEM1 I De-emphasis mode

2 DVDD Digital VDD 14 DIF

3 DVSS Digital GND 15 DIF1 I

4XTOO Xtal out 16 VCNT I Mute Control

5 XTI I Xtal in 17 AOUT

6

7 BICK I Serial bit clock 19 VCOM O Common

8 SDAT

9 LRCK I L/R clock 21 AVSS Analog VSS
10 SMUT
11 HOLD I Soft mute hold 23 DZF O Zero input
12 DEM0 I De-emphasis mode 24 ZMUT

PD I Power down 18 AOUT

I Serial data input 20 AVDD Analog VDD
I Soft mute 22 VREF I V reference

PIN
NO.

NAME I/O FUNCTION

I

O Analog output R
O Analog output L

I Zero mute

Input format

26

LZ95300 (XP451A00) Gate Array

PIN

NO.

NAME I/O FUNCTION

PIN
NO.

NAME I/O FUNCTION

1 INC O INPUT CUE ON/OFF 15 /CSW I CUE switch input
2 CPR O VCA CUE PRE PAN ON/OFF 16 VCA8 I
3 CPST O VCA CUE POST PAN ON/OFF 17 VCA7 I
4 COFF O All CUE OFF 18 VCA6 I
5 CPU I H: CPU mode, L: Local mode 19 VCA5 I VCA GROUP switch input
6 C0 I 20 VCA4 I
7 C1 I CPU address bus 21 VCA3 I
8 C2 I 22 VCA2 I

9 C3 I 23 VCA1 I
10 /RES I Reset 24 /SLSF I SOLO SAFE switch input
11 DATA I/O Data input/output 25 /CHK I CHECK LED ON/OFF
12 IRQ O

When /ONSW and /CSW change; H.
When CPU reads data; L.

26 /ONSW I ON switch input

13 /CS I Chip select 27 /ONRY O ON relay & LED ON/OFF
14 GND Digital ground 28 VDD Digital power supply

Function of DATA

DATA

C3 C2 C1 C0 R/W

MODE FUNCTION 0 1
0000WON RELAY SET Sets /ONRY OFF ON
0001 RON SW READ Reads /ONSW OFF ON
0010WCUE RELAY SET Sets INC ON OFF ON
0011 RCUE SW READ Reads /CSW OFF ON
0100WCHECK LED SET Sets /CHK OFF ON
0101WVCA PRE/POST SET Sets CVCA CUE PRE/POST PAN POST PRE

0110WSOLO SET

Sets SOLO
When SOLO is set, CUE or
SOLO SAFE is not ON, /ONRY is
set to OFF.

OFF SOLO

0111WVCA1 CUE SET Sets VCA1 CUE OFF ON
1000WVCA1 CUE SET Sets VCA1 CUE OFF ON
1001WVCA2 CUE SET Sets VCA2 CUE OFF ON

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1111WVCA8 CUE SET Sets VCA8 CUE OFF ON

M2500

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