PSR-9000
21
PIN
No.
NAME
I/O
FUNCTION
PIN
No.
NAME
I/O
FUNCTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
8"//5"
XTALSET
/RESET
E//RD
RW//WR
/CS
/DACK
RS0
RS1
VSS1
VSS2
D0
D1
D2
D3
D4
D5
D6
D7
/DREQ
/IRQ
/DEND
VSS3
1/2 EX1
VCC1
NUM1
NUM3
IFS
SFORM
/INP
/READY
/WPRT
I
I
I
I
I
I
I
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
I
I
I
I
I
I
I
I
Data transmission speed
Clock select
Rest
Enable/Read
Read/write/Write
Chip select
DMA acknowledge
Register select
Ground
Data bus
DMA request
Interrupt request
Data end
Ground
Power supply
Host interface select
Format data
Index pulse
Ready from FDD
Write control signal
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/TRKO
/INDEX
/RDATA
XTAL2
EXTAL2
NC
XTAL1
EXTAL1
VSS4
VSS5
NC
VCC2
VCC3
VCC4
/WGATE
/WDATA
VSS6
/STEP
/HDIR
/HLOAD
/HSEL
VSS7
/DS0
/DS1
/DS2
/DS3
VSS8
/MON0
/MON1
/MON2
/MON3
VSS9
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Track 00 signal
Index signal
Read data input from FDD
Clock
Clock
Ground
Power supply
Write control
Writ data to FDD
Ground
Step signal to control head of FDD
Direction
Head load
Head select
Ground
Drive select
Ground
Motor on
Ground
HD63266F (XI939A00) FDC (Floppy Disk Controller)
DP: IC17
PIN
No.
NAME
I/O
FUNCTION
PIN
No.
NAME
I/O
FUNCTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
LRCK
DATA
BCK
CLKO
XTI
XTO
DGND
VDD
Vcc2R
AGND2R
EXTR
NC
VOUTR
AGND1
I
I
I
O
I
O
-
-
-
-
O
-
O
-
Clock input
Data input
Bit clock
System clock
Clock input
Clock out
Digital ground
Digital power supply (+5V)
Analog power supply (+5V)
Analog ground
Rch, analog output
Rch, analog voltage output
Analog ground
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Vcc1
VOUTL
NC
EXTL
AGND2L
Vcc2L
/ZERO
/RST
/CS/IWO
MODE
/MUTE
MD/DM0
MC/DM1
ML/IIS
-
O
-
O
-
-
O
I
I
I
I
I
I
I
Analog power supply (+5V)
Lch, analog voltage output
Lch, analog output
Analog ground
Analog power supply (+5V)
Zero data flag
Reset
Chip select
Mode control select (H: Software, L: Hardware)
Mute control
Mode control data/ De-emphasis select1
Mode control BCK/De-emphasis select2
Mode control Latch/input format select
PCM1716E/T2 (XU829A00) DAC (Digital to Analog Converter)
TG: IC4,5
