Akai MPC3000 - Page 58

ИРО72068СЕ-3ВА (FDD controller)
| РМ №. | | PORT NAME FUNCTION |
1,3,15,17,19
NC No Connection.
25,28,29,44,
77,79,84,88,
2,6,9,12,37,40 | GND3 Ground 3
61,81,92,95,98
52~54,64,66,
ЕМО-З | О | Enable Motor.
| 18 | EN Direction.
STEP | О | Step.
WOATA [О ЕО
ГО | Write Enable.
ENIDX | | | Enable Index. |
|____16 ____| VDD2 = | +5V.
CGP1,2 | O | Charge Pump.
| __21 | | | GND2 | - | Ground 2.
LPF1,2 | О | Low Pass Filter.
4 EN Track 0.
0
1
6 Write Protected.
1
1
o
Read Data.
Ready.
ault.
nable Pre-Compensation.
ctive Level.
de Select.
ide Select.
ult Reset.
ead Load.
Low Current.
42,43 VDD1 +5 V.
RESET | | | Reset.
| 46 | |RD _ | Read.
соат ОМА [1 | Ме.
|248 | ДЕМАМ | ! | Enable Read, Write.
| 048. |Н5Е |1 | Registers Select.
50 cs
ШЕ
МР
о o &
Ф
4
6
m
о
2
2
2
3
3
I
9
—
>
2
3
3
3
3.
3
3
3
4
4
о || тој >in о | 0] 0]=|- 915115 (6(2|40|0)8|5/2 змия ое
г 9 miei
|CS — | ! | Chip Select.
51 [до ||| Address 0.
55,56,85,89,90 | СМО! | - | Ground 1.
57~60 00-р7 ИО | Data Bus.
68 | ОМАНО о | DMA Request.
69 |DMAAK | | 1 | DMA Acknowledge.
70
[Te | | | Terminal Count.
ІМТ о | Interrupt Request.
FMT | | | Format.
DRO~DR2
INDEX Index.
PCSO,PCS1 Pre-Compensation.
EN
EN
NN
XA1,XA2 | — | Crystal A connecting terminals.
EN
ки
О
71
ы №
73-75
6
78,80
82,83
86,87
91,93
94,96,97,99
~
Р")
XB1,XB2 stal B connecting terminals.
DENO,DEN1 ensity.
DS0-DS3 rive Select.
gio