Lsi Pin Description - Yamaha Portatone PSR 1000 Service Manual

LSI PIN DESCRIPTION

HD63266F (XI939A00) FDC················································································································· 13
AK5351-VF-E2 (XV510A00) ADC ········································································································ 13
HD6417709F80B (XV250B00) CPU····································································································· 14
TC203C760HF-002 (XS725A00) SWP30B ·························································································· 15
HG73C205AFD (XU947C00) SWX00B ································································································ 16
YSS236-F (XT013A00) VOP3 ·············································································································· 17
µPD789022GB-A15-8E (XZ560100) CPU KBS···················································································· 18
S1D13305F00B100 (XQ595A00) LCDC ······························································································ 18
AD1854JRSRL (XY782A00) DAC ········································································································ 19
HD63266F (XI939A00) FDC (Floppy Disk Controller)
PIN
NAME I/O
NO.
1 8"//5" I Data transmission speed
2 XTALSET I Clock select
3 /RESET I Rest
4 E//RD I Enable/Read
5 RW//WR I Read/write/Write
6 /CS I Chip select
7 /DACK I DMA acknowledge
8 RS0 I
Register select
9 RS1 I
10 VSS1
Ground
11 VSS2
12 D0 I/O
13 D1 I/O
14 D2 I/O
15 D3 I/O
Data bus
16 D4 I/O
17 D5 I/O
18 D6 I/O
19 D7 I/O
20 /DREQ O DMA request
21 /IRQ O Interrupt request
22 /DEND I Data end
23 VSS3 Ground
24 1/2 EX1
25 VCC1 Power supply
26 NUM1 I
27 NUM3 I
28 IFS I Host interface select
29 SFORM I Format data
30 /INP I Index pulse
31 /READY I Ready from FDD
32 /WPRT I Write control signal
AK5351-VF-E2 (XV510A00) ADC (Analog to Digital Converter)
PIN
NAME I/O
NO.
1 AINR+ I Analog signal input (R channel +)
2 AINR- I Analog signal input (R channel -)
3 VREF O Reference voltage
4 VA - Analog power supply
5 AGND - Analog ground
6 AINL+ I Analog signal input (L channel +)
7 AINL- I Analog signal input (L channel -)
8 TST1 I/O Test mode setting 1
9 HPFE HPF on/off
10 TST2 I/O Test mode setting 2
11 TST3 I/O Test mode setting 3
12 VD - Digital power supply
FUNCTION
FUNCTION
PIN
NAME I/O
NO.
33 /TRKO I Track 00 signal
34 /INDEX I Index signal
35 /RDATA I Read data input from FDD
36 XTAL2 Clock
37 EXTAL2
38 NC
39 XTAL1 Clock
40 EXTAL1
41 VSS4 Ground
42 VSS5
43 NC
44 VCC2
45 VCC3 Power supply
46 VCC4
47 /WGATE O Write control
48 /WDATA O Writ data to FDD
49 VSS6 Ground
50 /STEP O Step signal to control head of FDD
51 /HDIR O Direction
52 /HLOAD O Head load
53 /HSEL O Head select
54 VSS7 Ground
55 /DS0 O
56 /DS1 O
Drive select
57 /DS2 O
58 /DS3 O
59 VSS8 Ground
60 /MON0 O
61 /MON1 O
Motor on
62 /MON2 O
63 /MON3 O
64 VSS9 Ground
PIN
NAME I/O
NO.
13 DGND - Digital ground
14 TST4 I/O Test mode setting 4
15 AMODE2 Interface clock select 2
16 /PD I Power-down mode
17 MCLK I Master clock input
18 SCLK I/O Serial data clock
19 LRCK I Input/Output channel clock
20 FSYNC I/O Frame synch. clock
21 SDATA O Serial data output
22 CMODE I Master clock select
23 SMODE1 I Interface clock select 1
24 VB - Digital power supply
PSR-1000/PSR-2000
DM: IC300
FUNCTION
DM: IC800 (PSR-2000)
FUNCTION
13