Akai MPC3000 - Page 55

M51955BL (Reset pulse generator)
Э
MB89255B-P-G (Parallel data I/O interface)
< DATA BUS
А
DATA BUS 104 69) BUFFER
Оз б)--э-с--
D1 63)
meom
54
READ IN во | __
WRITE IN WR (9 ITs
R&AD/WR
ws
Аз (в)
ADDRESS IN Г |
D
т сф
CHIP SELECT CS (Ю
GROUP
Li
CONTROL.
(abit)
GROUP
A
PORT ¢
"с (abit)
(Bb1 t)
(29 PB;
64) PBe
ез) PBs
6) ре,
(2) PBs
60) РВ 2
(9) РВ,
(8 РВ о
І/О PORT А
170 PORT C
І/О PORT В