Yamaha Disklavier Silent Mark III Service Manual page 24

DU1A
LSI PIN DESCRIPTION
M37732S4AFP-10 (XL389A00) CPU ...................................................... 24
HD64F2128 (X2690A00) CPU(FLASH) ................................................... 25
M38881M2-062FP (XS345A00) SCI ....................................................... 25
HD6417014F28 (XU147A00) CPU .......................................................... 26
TMS320VC5402 (XW685A00) DSP (Digital Signal Processor) ............... 27
TC203C760HF-001 (XR738A00) SWP30 (Standard Wave Processor) .. 28
TC203C760HF-002 (XS725A00) SWP30B (Standard Wave Processor) 28
RF5GF26-028 (XK652A00) GATE ARRAY .............................................. 29
HD63266F (XI939A00) FDC (Floppy Disk Controller) ............................. 30
XC9572XL-10VQ64 (XW774A00) PLD ................................................... 30
YM3421-F (XL150A00) PWM GENERATOR ........................................... 31
AK4520A-VF-E2 (XT802A00) ADC / DAC ............................................... 31
PCM1702U/2K (XP551A00) DAC (Digital to Analog Converter) ............. 31
M37732S4AFP-10 (XL389A00) CPU
PIN
NAME I/O
NO.
1 P70/AN0 I/O CMOS in/out port 7/Analog input
2 P67/TB2IN I/O
3 P66/TB1IN I/O (Timer B0-B2 in)
4 P65/TB0IN I/O
5 P64/INT2 I/O
CMOS in/out port 4
6 P63/INT1 I/O
(Interrupt request in)
7 P62/INT0 I/O
8 P61/TA4IN I/O
(Timer A4 in/out)
9 P60/TA4OUT I/O
10 P57/TA3IN I/O
11 P56/TA3OUT I/O
12 P55/TA2IN I/O
13 P54/TA2OUT I/O
CMOS in/out port 4/Timer A0-A3 in
14 P53/TA1IN I/O
15 P52/TA1OUT I/O
16 P51/TA0IN I/O
17 P50/TA0OUT I/O
18 P47
19 P46
20 P45
21 P44 I/O
CMOS in/out port 4
22 P43 I/O
23 P42/ I/O ( output)
24 P41/RDY I/O (Ready)
25 P40/HOLD I/O (Hold request)
26 BYTE I 8bit/16bit select
27 CNVSS I Chip mode select
28 RESET I Reset
29 XIN I
Internal clock osc. in/out
30 XOUT O
31 E I Enable
32 V Ground
SS
33 P33/HLDA I/O (Hold acknowledge)
34 P32/ALE I/O CMOS in/out port 3/(Address latch enable)
35 P31/BHE I/O (Byte high enable)
36 P31/RW I/O (Read/Write)
37 P27/A23/D7 I/O
38 P26/A22/D6 I/O
CMOS in/out port 2/Address bus/Date bus
39 P25/A21/D5 I/O
40 P24/A20/D4 I/O
24
FUNCTION
PIN
NAME I/O
NO.
41 P23/A19/D3 I/O
42 P22/A18/D2 I/O
CMOS in/out port 2/Address bus/Date bus
43 P21/A17/D1 I/O
44 P20/A16/D0 I/O
45 P17/A15/D15 I/O
46 P16/A14/D14 I/O
47 P15/A13/D13 I/O
48 P14/A12/D12 I/O
CMOS in/out port 1/Address bus/Date bus
49 P13/A11/D11 I/O
50 P12/A10/D10 I/O
51 P11/A9/D9 I/O
52 P10/A8/D8 I/O
53 P07/A7 I/O
54 P06/A6 I/O
55 P05/A5 I/O
56 P04/A4 I/O
CMOS in/out port 0/Address bus
57 P03/A3 I/O
58 P02/A2 I/O
59 P01/A1 I/O
60 P00/A0 I/O
61 P87/TXD1 I/O (Data transmission)
62 P86/RXD1 I/O (Data reception)
63 P85/CLK1 I/O (Clock)
64 I/O CMOS in/out port 8/Clear to send/Request to sen
P84/CTS1/RTS1
65 P83/TXD0 I/O (Data transmission)
66 P82/RXD0 I/O (Data reception)
67 P81/CLK0 I/O (Clock)
68 I/O
P80/CTS0/RTS0
69 Vcc Power supply
70 AVCC Analog power supply
71 VREF I Reference voltage
72 AVSS Analog ground
73 Vcc Ground
74 I/O (A/D trigger)
P77/AN7/ADTRG
75 P76/AD6 I/O
76 P75/AD5 I/O
77 P74/AD4 I/O CMOS in/out Port 7/Analog input
78 P73/AD3 I/O
79 P72/AD2 I/O
80 P71/AD1 I/O
PK-CTL: IC04
FUNCTION