Yamaha Tyros TRS-MS01, Sevice Manual

Page: 34 / 153

34
Tyros / TRS-MS01
PIN PIN
NO.
NAME I/O FUNCTION
NO.
NAME I/O FUNCTION
1 8"//5" I Data transmission speed 33 /TRKO I Track 00 signal
2 XTALSET I Clock select 34 /INDEX I Index signal
3 /RESET I Rest 35 /RDATA I Read data input from FDD
4 E//RD I Enable/Read 36 XTAL2 Clock
5 RW//WR I Read/write/Write 37 EXTAL2
6 /CS I Chip select 38 NC
7 /DACK I DMA acknowledge 39 XTAL1 Clock
8 RS0 I Register select 40 EXTAL1
9 RS1 I 41 VSS4 Ground
10 VSS1 Ground 42 VSS5
11 VSS2 43 NC
12 D0 I/O 44 VCC2
13 D1 I/O 45 VCC3 Power supply
14 D2 I/O 46 VCC4
15 D3 I/O
Data bus
47 /WGATE O Write control
16 D4 I/O 48 /WDATA O Writ data to FDD
17 D5 I/O 49 VSS6 Ground
18 D6 I/O 50 /STEP O Step signal to control head of FDD
19 D7 I/O 51 /HDIR O Direction
20 /DREQ O DMA request 52 /HLOAD O Head load
21 /IRQ O Interrupt request 53 /HSEL O Head select
22 /DEND I Data end 54 VSS7 Ground
23 VSS3 Ground 55 /DS0 O
24 1/2 EX1 56 /DS1 O
Drive select
25 VCC1 Power supply 57 /DS2 O
26 NUM1 I 58 /DS3 O
27 NUM3 I 59 VSS8 Ground
28 IFS I Host interface select 60 /MON0 O
29 SFORM I Format data 61 /MON1 O
Motor on
30 /INP I Index pulse 62 /MON2 O
31 /READY I Ready from FDD 63 /MON3 O
32 /WPRT I Write control signal 64 VSS9 Ground
HD63266F (XI939A00)
FDC (Floppy Disk Controller)
PIN PIN
NO.
NAME I/O FUNCTION
NO.
NAME I/O FUNCTION
1 P50/A8 I/O Port 5 / Higher address bus 33 P10/ANI0 I Port 1 / A/D converter analog input
2 P51/A9 I/O Port 5 / Higher address bus 34 AVREF I A/D converter reference voltage input
3 P51/A10 I/O Port 5 / Higher address bus 35 AVDD Analog power supply
4 P53/A11 I/O Port 5 / Higher address bus 36 RESET I System reset input
5 P54/A12 I/O Port 5 / Higher address bus 37 XT2 Subsystem clock oscillation
6 P55/A13 I/O Port 5 / Higher address bus 38 XT1 I Subsystem clock oscillation
7 P56/A14 I/O Port 5 / Higher address bus 39 IC Internally connected
8 P57/A15 I/O Port 5 / Higher address bus 40 X2 Main system clock oscillation
9 Vss0 Ground 41 X1 I Main system clock oscillation
10 VDD0 Power supply 42 Vss1 Ground
11 P30 I/O Port 3 43 P00/INTP0 I/O Port 0 / External interrupt request input
12 P31 I/O Port 3 44 P01/INTP1 I/O Port 0 / External interrupt request input
13 P32/SDA0 I/O Port 3 / Serial data input/output 45 P02/INTP2 I/O Port 0 / External interrupt request input
14 P33/SCL0 I/O Port 3 / Serial clock input/output 46 P03/INTP3/ADTRG I/O Port 0 / External interrupt request input / Trigger signai input
15 P34 I/O Port 3 47 P70/TI00/TO0 I/O Port 7 / External count clock input / 16-bit timer/event counter 0 output
16 P35 I/O Port 3 48 P71/TI01 I/O Port 7 / Capture trigger input
17 P36 I/O Port 3 49 P72/TI50/TO50 I/O Port 7 / External count clock input / 8-bit timer/event counter 50 output
18 P20/SI30 I/O Port 2 / Serial data input 50 P73/TI51/TO51 I/O Port 7 / External count clock input / 8-bit timer/event counter 51 output
19 P21/SO30 I/O Port 2 / Serial data output 51 P74/PCL I/O Port 7 / Clock output
20 P22/SCK30 I/O Port 2 / Serial clock input/output 52 P75/BUZ I/O Port 7 / Buzzer output
21 P23RxD0 I/O Port 2 / Serial data input 53 P64/RD I/O Port 6 / Strobe signal output for reading
22 P24/TxD0 I/O Port 2 / Serial data output 54 P65/WR I/O Port 6 / Strobe signal output for writing
23 P25/ASCK0 I/O Port 2 / Serial clock input/output 55 P66/WAIT I/O Port 6 / Wait insertion
24 VDD1 Power supply 56 P67/ASTB I/O Port 6 / Strobe output
25 AVss Ground 57 P40/AD0 I/O Port 4 / Lower address/data bus
26 P17/ANI7 I Port 1 / A/D converter analog input 58 P41/AD1 I/O Port 4 / Lower address/data bus
27 P16/ANI6 I Port 1 / A/D converter analog input 59 P42/AD2 I/O Port 4 / Lower address/data bus
28 P15/ANI5 I Port 1 / A/D converter analog input 60 P43/AD3 I/O Port 4 / Lower address/data bus
29 P14/ANI4 I Port 1 / A/D converter analog input 61 P44/AD4 I/O Port 4 / Lower address/data bus
30 P13/ANI3 I Port 1 / A/D converter analog input 62 P45/AD5 I/O Port 4 / Lower address/data bus
31 P12/ANI2 I Port 1 / A/D converter analog input 63 P46/AD6 I/O Port 4 / Lower address/data bus
32 P11/ANI1 I Port 1 / A/D converter analog input 64 A47/AD7 I/O Port 4 / Lower address/data bus
UPD780031AYGK-NO1-9ET (XZ916100)
LED DRIVER/SWITCH SCAN
DM: IC1
PNR: IC1, PNL: IC1